Phoenix Model Dolphin 40 User manual

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INTRODUCTION

Thank you for choosing the new Dolphin 40 ARF by Phoenix Model. The Dolphin 40 was designed from

the ground up with the intermediate sport flyer in mind. It is a low wing sport aerobatic aircraft that is easy to

fly and quick to assemble, yet is capable of aerobatics to please even the best sport pilot. The airframe is

conventionally built using balsa, plywood and veneer to make it stronger than the average ARF kit, yet the

design allows the aircraft to be built light as well. You will find that most of the work has been done for you

already. The pushrods are premade to the correct lengths, the motor mount has been installed and even the

hinges are preinstalled and pinned for security. Flying the Dolphin 40 is simply a joy too. It's constant cord

wings make landing a breeze without the bad habits of other aerobatic planes and it's generous stabilizer

area keeps it tracking straight and true.

The Dolphin 40 ARF is an easy flying sport airplane, however, it may not be appropriate for some first time

modelers. If you have chosen the Dolphin 40 ARF as your first airplane, we recommend you seek

assistance from an experienced modeler.

We know you'll enjoy flying the Dolphin 40 ARF as much as we have enjoyed designing it for you. We

encourage you to let us know about your successes. Again, thank you for purchasing the Dolphin 40 ARF

by Phoenix Model.

ADDITIONAL ITEMS REQUIRED

о40-53 Two Stroke Engine

о4 Channel Radio With 4 Servos

оGlow Plug to Suit Engine

оPropeller to suit Engine

оGP foam rubber.

оSilicon Fuel Line

оGP stick on lead weight.

TOOLS AND SUPPLIES NEEDED

оGP thick CA.

оGP Pro 30 - Minute epoxy

оGP Pro 6 - Minute epoxy.

оHand or Electric Drill

оAssorted Drill Bits

оModeling Knife

оStraight Edge Ruler

о2mm Bondhus Ball Driver # 10654

Instruction Manual Dolphin 40

**SUGGESTION** to avoid scratching your new airplane, do not unwrap the pieces until they are

needed for assembly. Cover your workbench with an old towel or brown paper, both to protect the

aircraft and to protect the table. Keep a couple of jars or bowls handy to hold the small parts after

you open the bags.

**NOTE** Please trial fit all the parts. Make sure you have the correct parts and that they fit and are

aligned properly before gluing! This will assure proper assembly. Since the Dolphin 40 ARF is hand

made from natural materials, every plane is unique and minor adjustments may have to be made.

However, you should find the fit superior and assembly simple.

Wing Assembly

*Note* We highly recommend using 30 Minute

Epoxy over faster curing epoxies for several

reasons. First, slower curing epoxy is stronger. It

also providers more working time, allowing the

builder to properly align the parts. Using fast

cure epoxy when joining the wing halves could

result in the glue drying before the wing halves

are aligned properly, causing damage to the

wing assembly. Also, when joining the wing

halves, the entire area of both center ribs need

to be joined completely with no gaps existing.

Not following these steps carefully, may result in

failure of the wing center section during flight.

1. Locate the plywood wing dihedral brace.

Using a ruler, locate it's center and place a

mark. Draw a vertical line at the mark just

made.

2. Test fit the dihedral brace into each wing

half. The brace should slide in easily up to

the centerline you drew. If it does not, use

220 grit sandpaper with a sanding block and

sand down the edges and ends of the brace

until the proper fit is obtained.

*Note* the dihedral brace is cut in the shape

of a "V". This shape gives the wing the

correct dihedral angle. Make sure you don't

test fit the brace upside down.

3. When satisfied with the fit of the dihedral

brace in each wing half, remove the brace

.Mix equal amounts of part A and part B 30

minute epoxy. Coat all sides of the dihedral

brace box and half of the wing brace with the

epoxy. Make sure to cover the top and

bottom as well as the sides. Use enough

epoxy to fill any gaps.

4. Insert the dihedral brace into one wing half

up to the centerline. Wipe off any excess

epoxy that may have squeezed out of the

joint using paper towels.

make centerline

Dihedral brace

Instruction Manual Dolphin 40

Control Throws

** Note** Both the center of gravity and the

control throws are a good starting place for initial

test flying and may be changed to your

particular tastes and flying styles once you have

become familiar with the Dolphin 40. We do

recommend initially flying the airplane using the

LOW RATE settings. Too much throw can force

the plane into a high speed stall, so remember,

"More it not better".

Flight preparation

1) Check the operation and direction of the

elevator, rudder, ailerons and throttle.

A) Plug in your radio system per the

manufacturer's instructions and turn

everything on.

B) Check the elevator first. Pull back on the

elevator stick. The elevator should go up. If

it does not, flip the servo revesing switch

on your transmitter to change the direction.

C) Check the rudder. Looking from behind the

airplane, move the rudder stick to the right.

The rudder should move to the right. If it

does not, flip the servo reversing switch on

your transmitter to change the direction.

D) Check the throttle. Moving the throttle stick

forward should open the carburetor barrel.

If it does not, flip the servo reversing

switch on your transmitter to change the

direction.

E) From behind the airplane, look at the

aileron on the right wing. Move the aileron

stick to the right. The aileron should move

up and the other aileron should move

down. If it does not, flip the servo reversing

switch on your transmitter to change the

direction.

Receiver & Battery Installation

1. The battery should be wrapped in foam and

mounted behind the fuel tank. As the picture

22.

2. The receiver should be wrapped in foam and

mounted just behind the battery. As the

picture 22.

3. Uncoil the receiver antenna completely and

drill a 1/16'' hole in the side of the fuselage,

opposite the muffler, for the antenna to exit.

Secure the end of the antenna to the top the

vertical fin using a rubber band or similar

method.

4. Install the switch on the side of the fuselage

opposite the muffler. Use the faceplate of the

switch as a pattern for drilling the holes and

the cutout for the switch itself.

Balancing

1. It is critical that your airplane be balanced

correctly. Improper balance will cause your

plane to lose control and crash. The center of

gravity is located 3-1/2'' back from the

leading edge of the wing at the fuselage

sides. This location is recommended for

initial test flying and trimming. There is a 3/8''

margin forward and aft, but it is not

recommended that the center of gravity be

located any further back than 3-7/8''. Balance

the

Dolphin 40 with the fuel tank empty.

2. Using a couple of pieces of masking tape or

a pen, make a mark on each side of the top

of the wing 3-1/2'' back from the leading

edge.

3. Turn the Dolphin 40 upside down and place

your fingers on the marks on top of the wing

and carefully lift the plane.

4. If the nose of the plane falls, the plane is

nose heavy. To correct this, try moving your

battery pack back. It that is not enough

change, add a little lead weight to the tail. If

the tail of the plane falls, double check that

you have mounted the battery pack under

the fuel tank. If the airplane is still tail heavy

add lead weight to the firewall or even better,

use a sufficient heavy hub under the spinner.

High rate Low rate

Ailerons: 1/2'' up & down 3/8'' up & down

Elevator: 5/8''up & down 3/8'' up & down

Rudde: 1'' right & left 1/2''right & left

Instruction Manual Dolphin 40

Flying the DOLPHIN 40

If you are unfamiliar with flying low wing sport

aircraft, please seek out an experienced pilot to

help you with the first few flights of the airplane.

The design of the Dolphin 40 allows the

airplane to fly smoothly and stable, yet perform

good aerobatics as well. Landings are smooth

and predictable, but because this is not a

primary trainer, its stall speed is higher and

power should be used to bring it in for landings

and slow speed flight. It does not have the

self-recovery characteristics of a primary R/C

trainer, so again, if you don't feel comfortable for

the first flight have someone with more

experience help you get it in the air.

Although this model has good low speed

characteristics with power on, you should

always build up as much speed as your runway

will permit before lifting off, as this will give you

a safety margin in case the engine quits after

take off.

It is important that the plane rolls out on the

ground until sufficient airspeed is achieved.

Pulling the Dolphin 40 off the ground too soon

could result in a stall and crash. Allow the

airplane to pick up speed and gently lift off and

climb out gradually. We recommend that you

take it easy with your Dolphin 40 for the first

several flights, gradually getting acquainted with

the air plane and allowing your engine to fully

break-in. Add and practice one maneuver at a

time, learning how the airplane be haves in

each. For smooth flying and normal maneuvers,

we recommend using the low rate settings

described earlier, Hight rate may be required for

more crisp aerobatics.Before your first landing,

practice landing approaches in the air. This will

get you familiar with the stall characteristics of

the Dolphin 40.

When it's time to land, fly a normal landing

pattern and approach decreasing power to about

one-quarter. It is important that when power is

reduced and flying speed has diminished, do not

make high angle turns onto the final approach.

Too hight an angle of bank with too litter power

can cause the airplane to stall. When you turn

final, reduce power to just a few clicks over idle.

When you are a few feet off the ground, reduce

power to idle and let the airplane settle onto the

runway. Land slightly faster than the stall speed

and on the main wheels, as this is the easiest

way to land the Dolphin 40 and will reduce the

risk of stalling the airplane.

2) Check Control Surface Throw.

A) The rudder should move 1/2'' left and 1/2''

right from center.

B) The elevator should move 3/8'' up and 3/8''

down from center.

C) The aileron should move 3/8'' up and 3/8''

down from center. If they move too far,

move the adjustable horn away from the

aileron a few turns. Do the opposite if there

is not enough throw. It is important that

both ailerons move the same amount, both

up and down.

D) Once the control throws and movements

are set, tubing must be added to the

clevises to ensure they do not release in

the air. Cut 1/4'' lengths of fuel tubing and

slide one over each clevis prior to

attaching it to the control horn. This will

ensure the clevis will not release in flight.

Pre-Flight Check

1) Completely charge your transmitter and

receiver batteries before your first day of flying.

2) Check every bolt and every glue join in your

Dolphin to ensure everything is tight and well

bonded.

3) Check that the tubes used for clevis retainers

are in place.

4) Double check the balance of the airplane. Do

this before filling the tank with fuel.

5) Check the control surfaces. All should move

in the correct direction and not bind in any way.

6) Check the receiver antenna. It should be fully

extended and not still coiled up in the fuselage.

Instruction Manual Dolphin 40

Wing Installation

1. Locate the two predrilled holes in the wing

that accept the two nylon wing bolts. Using a

modeling knife, remove the covering from

over them. This needs to be done on both the

top and the bottom of the wing.

2. Place the wing into the wing saddle. Check

the alignment of the predrilled holes in the

fuselage bulkhead with the wing dowels

installed in the font of the wing. The holes in

the fuselage may need to be adjusted slightly

to line up perfectly with the dowels. If you

need to adjust the holes, a small round file

works best for this.

3. Test fit the two nylon wing bolts through the

predrilled holes in the wing and into the

threaded insert in the wing mounting blocks

in the fuselage. You may need to adjust the

perdrilled holes in the wing to align perfectly

with those in the fuselage. If so, use a

modeling knife or drill to slightly elongate the

holes in the wing until they are aligned with

those in the fuselage.

4. When satisfied with the alignment of the

holes in the wing, remove the wing and drill

out the holes using a 5/16'' drill bit. These

larger holes will accept the nylon bushings.

5. Place the wing back in the wing saddle and

test the fit of the nylon screws and bushings.

Also, the hole in each control horn may need to

be enlarged slightly to allow the nylon clevis pin

to be installed without binding.

5. Plug the aileron servo into the receiver and

center the servo. Install the servo arm onto

the servo. The servo arm should be

perpendicular to the servo and point toward

the middle of the wing.

6. Center the aileron and hold it in place using a

couple of pieces of masking tape.

7. With the aileron and aileron servo centered,

carefully place a mark on the aileron pushrod

wire where it crosses the hole in the servo

arm.

8. Using pliers, carefully make a 90 degree bend

down at the mark made. Cut off the excess

wire, leaving about 4mm beyond the bend.

9. Insert the 90 degree bend down through the

hole in the servo arm. Install one nylon snap

keeper over the wire to secure it to the arm.

Install the servo arm retaining screw and

remove the masking tape from the aileron.

10. Repeat these step to install the second

aileron linkage.

Remove the covering

Wing hold down screw

Nylon bushing

Metal pushrod

Nylon clevises

Nylon snap keeper

Screw

Instruction Manual Dolphin 40

2. Bolt the wing to the fuselage. Set the

horizontal stabilizer onto the stabilizer

mounting platform on the fuselage. To align

the horizontal stabilizer with the wing, use

figure #2 and # 3. when viewed from the rear,

the horizontal stabilizer should be level with

the wing. If it is not level, use sandpaper and

sand down the high side of the stabilizer

mounting platform until the proper alignment

is achieved. Measure the distance form each

wing tip to each stabilizer tip. These distances

should be equal. If they are not, adjust the

stabilizer until the measurements are equal.

3. When you are satisfied with the alignment,

hold the stabilizer in place with T-pins or

masking tape, but do not glue at this time.

4. On the bottom of the horizontal stabilizer,

draw a line where it and the fuselage meet.

Do this on both the right and left sides.

5. Remove the horizontal stabilizer. Using the

lines you just drew as a guide, carefully

remove the covering from between them,

using a modeling knife. This is where the

horizontal stabilizer will be glued in place.

6. When you are sure that every thing is aligned

correctly, glue the horizontal stabilizer in

place using 30Minute Epoxy. Double check

all of your measurements once more before

the epoxy cures. Hold the stabilizer in place

with T-pins or masking tape until the epoxy

has cured.

7. Slide the vertical stabilizer into the slot in the

mounting platform in the top of the fuselage.

Mark the shape of the fuselage on the left

and right sides of the vertical stabilizer using

a felt-tip pen.

8. Now, remove the vertical stabilizer and using

a modeling knife, carefully cut just inside the

marked lines and remove the film on both

sides of the vertical stabilizer. Just as you did

with the horizontal stabilizer, make sure you

only press hard enough to cut the film, not the

balsa vertical stabilizer.

6. With the bushings in place, thread the screws

into the nylon inserts in the wing mounting

block in the fuselage, but do not tighten the

screws completely. When satisfied with the fit

of the bushings, apply a small amount of 6

Minute Epoxy to glue the bushings in place.

Be careful to not get any glue on the bolts.

7. Once the epoxy has set, remove the screws

and apply any additional epoxy needed to

completely secure the bushings into the wing.

Horizontal and vertical

stabilizer installation

1. Using your ruler, find the centerline of the

horizontal stabilizer, at the trailing edge, and

place a mark. Use a triangle and extend this

mark, from back to front, across the top and

bottom of the stabilizer. Also place a mark at

the centerline of the fuselage at the front and

rear of the stabilizer mounting area. These

mark will be used to line up the stabilizer to

the fuselage.

FIGURE # 3

FIGURE # 2

AA-1

A=A-1

ABB1 A1

B=B-1

Glue with epoxy

Instruction Manual Dolphin 40

Spinner installation

1. Locate the molded plastic spinner, two

3*12mm Phillips head sheet metal screws

and the Propeller to suit your engine (not

included).

Instruction Manual Dolphin 40

5. Push the stopper assembly into the opening

in the tank. Adjust the assembly until the

muffler pressure tube is resting in the top of

the bubble in the tank, but not touching the

bubble. The fuel pick-up should also be 3/8''

from the back of the tank. When satisfied

with the fit, insert the long machine screw

through the center hole in the stopper.

Tighten the screw to expand the stopper and

seal the tank opening. Tighten the stopper

only enough to make a good seal. If you

over-tighten the stopper, you may

accidentally crack the front of the tank.

6. Mix up a batch of 30 Minute Epoxy and using

an small pain brush, completely coat the

inside of the fuel tank compartment in the

forward section of the fuselage. This will seal

the wood from any fuel that might

accidentally leak from the tank.

7. When the epoxy has cured, connect two

lengths of fuel line to the plastic tubes

coming out of the tank. Keep track which one

is for the fuel pick-up and which one is for the

muffler pressure.

8. Run the tubes through the hole in the firewall

and slide the tank assembly into place. The

tank should rest at the top of the

compartment and be up against the back of

the firewall. Make sure there are no kinks in

the fuel tubing and that the bubble in the tank

is towards the top of the airplane.

9. Use pieces of the foam provided to hold the

tank in place. Be careful the tank or the foam

doesn't interfere with the pushrods.

10. Connect the fuel pick-up line to the

carburetor fuel inlet nipple and the muffler

pressure line to the pressure nipple on your

engine's muffler.

2. Most .40 size displacement engines use a 1/4''

diameter crankshaft. You may need to enlarge the

hole in the spinner backplate and the propeller to

fit the crankshaft. If you do, enlarge the holes

using a prop reamer or a 1/4'' size drill bit.

3. Slide the backplate, then the propeller onto the

engine and secure in place with the prop

washer and nut included with your engine.

4. Install the spinner cone onto the spinner

backlate using the two 3*12mm Phillips head

sheet metal screws. You will need to trim the

openings in the spinner cone to clear the

propeller. Trim the opening using a sharp

modeling knife until the spinner cone clears the

propeller. It is important that no part of the

spinner cone touches the propeller.

INSTALLING THE ELEVATOR PUSHROD

1. Carefully cut away the covering material from

the slot.

2. Working from inside the fuselage, slide the

threaded end of the pushrod until it reaches the

exit slot. Carefully reach in with a small screw

driver and guide the pushrod out of the exit slot.

SERVO INSTALLATION

INSTALLING THE FUSELAGE SERVOS

1. Install the rubber grommets and brass collets

into the elevator, rudder and throttle servos.

Test fit the servos into the servo tray. Trim the

tray if necessary to fit your servos

2. Mount the servos to the tray using the mounting

screws provided with your radio system.

Instruction Manual Dolphin 40

INSTALLING THE RUDDER PUSHROD

1. Locate the pushrod exit slot on the left of the

fuselage.

2. Carefully cut away the covering material from

the slot.

3. Working from inside the fuselage, slide the

threaded end of the remaining pushrod down

the inside of the fuselage until the pushrod

reaches the exit slot. Carefully reach in with a

small screw driver and guide the pushrod out

of the exit slot.

4. Install the clevis on the rudder pushrod. Make

sure 6mm of thread shows inside the clevis.

5. The control horn should be mounted on the

right side of the rudder at the leading edge, in

line with the rudder pushrod.

6. Drill two 1,6mm holes through the rudder using

the control horn as a guide and screw the

control horn in place.

7. Attach clevis to the third hole in the control

horn. Install a silicone tube on the clevis.

8. Locate one nylon servo arm, and using wire

cutters, remove all but one of the arms using a

2mm drill bit, enlarge the third hole out from the

center to accommodate the rudder pushrod

wire.

9. Plug the rudder servo into the receiver and

center the servo. Install the servo arm onto the

servo.

10. Center the rudder and hold it in place using a

piece of masking tape.

11.

With the rudder and rudder servo centered,

carefully place a mark on the rudder pushrod

wire where it crosses the hole in the servo arm.

Control horn

3. Install the clevis on the elevator pushrod. Make

sure 6mm of thread shows inside the clevis.

4. The control horn should be mounted on the

bottom, left side of the elevator at the leading

edge, in line with the elevator pushrod.

5. Drill two 1,6mm holes through the elevator

using the control horn as a guide and screw the

control horn in place.

6. Attach clevis to the third hole in the control horn.

Install a silicone tube on the clevis.

7. Locate one nylon servo arm, and using wire

cutters, remove all but one of the arms. Using

a 2mm drill bit, enlarge the third hole out from

the center to accommodate the elevator

pushrod wire.

8. Plug the elevator servo into the receiver and

center the servo. Install the servo arm onto the

servo. The servo arm should be perpendicular

to the servo and point toward the middle of the

fuselage.

9. Be sure both elevator halves are flat . Slightly

adjust the wire joiner if necessary. Center both

elevator halves and hold them in place using a

couple of pieces of masking tape.

10. With the elevator halves and elevator servo

centered, carefully place a mark on the elevator

pushrod wire where it crosses the hole in the

servo arm.

11. Using pliers, carefully make a 90 degree bend

up at the mark made. Cut off the excess wire,

leaving about 8mm beyond the bend.

12. Insert the 90 degree bend up through the hole

in the servo arm, install one nylon snap keeper

over the wire to secure it to the arm. Install the

servo arm retaining screw and remove the

masking tape the elevator halves.

Clevis

KIT CONTENTS: We have organized the parts as they come out of the box for better identification during

assembly. We recommend that you regroup the parts in the same manner. This will ensure you have all of parts

required before you begin assembly.

AIR FRAME ASSEMBLIES

• (2) Wing halves with ailerons

• (1) Fuselage with canopy.

• (1) Horizontal stabilizer with elevator halves

• (1) Vertical stabilizer with rudder

• (1) Instruction manual

MAIN GEAR ASSEMBLY

• (2) Main gear

• (2) 60mm diameter wheels

• (4) Wheel collars

• (4) 3mm x 4mm set screws

• (2) Nylon plate

• (4) 3mm x 12mm screws

TAIL GEAR ASSEMBLY

• (1) Tail gear

• (1) 25mm diameter wheel

• (1) Wheel collar

• (1) 3mm x 4mm set screw

• (2) Nylon clasps

• (6) 2mm x 10mm set screw

ELEVATOR CONTROL SYSTEM

• (1) Nylon clevises

• (1) Silicon tube

• (1) Nylon snap keeper

• (2) 2mm x 16mm screws

• (1) Nylon control horn w/plate

RUDDER CONTROL SYSTEM

• (1) Nylon clevises

• (1) Silicon tube

• (1) Nylon snap keeper

• (2) 2mm x 16mm screws

• (1) Nylon control horn w/plate

AILERON CONTROL SYSTEM

• (2) Metal pushrod

• (2) Nylon clevises

• (2) Silicon tube

• (2) Nylon snap keeper

• (2) Nylon control horn

MOTOR MOUNT ASSEMBLY

• (4) 3mm x 20mm machine screws

• (4) Lock washer

THROTTLE CONTROL SYSTEM

• (1) 1,3mm x 500mm wire

• (1) 3,5mm x 350mm nylon pushrod housing

• (1) Metal connector

• (1) 4mm x 4mm machine screw

FUEL TANK

• (1) Nylon fuel Tank

• (1) Metal clunk

• (1) Silicone tube / 110mm

• (1) Pre - assembled stopper w / 2 tube

• (1) 165mm x 250mm foam padding

MISCELLANEOUS ITEMS

• (1) Wood dihedral

• (1) 25mm x 600mm trim tape

• (4) 6mm x 45mm nylon screws

• (2) Plate of nylon screw

• (1) Spinner

• (2) Accessary Bag of wood

• (1) Decal sheet

• (1) Set of pushrod

ADDITIONAL ITEMS REQUIRED

• 40 two stroke Engine.

• 4 channel Radio with 4 servos.

• Glow plug to suit Engine.

• Propeller to suit Engine.

• Protective foam Rubber.

• Silicone fuel line.

• Stick on weight for balance.

KIT CONTENTS

Instruction Manual Dolphin 40

5. Once the epoxy has cured, trial fit both wing

halves together.The center gribs should fit

flush together with little or no gaps existing. If

gaps do exist, use 220 Grit sandpaper and

sand down the high spots on the root ribs and

the wing joiner until the proper fit is obtainer.

The amount of dihedral is built into the wings

by angling the root ribs the correct amount.

With one wing half flat on the table, the other

wing tip should be approximately 2" off of the

surface of the table. If this need to be

adjusted, you may do so by sanding small

amount from the center ribs or dihedral brace.

6. To protect the covering from the epoxy used to

glue the wing halves together, carefully apply

masking tape around the edge of the root rip

on the top and bottom of each wing half.

7. Mix a generous amount of 30 minute epoxy.

Coat the exposed half of the dihedral brace,

the wing joiner box and both root ribs with

epoxy. Slide the two wing halves together

and carefully align them at the leading and

trailing edges. Wipe away any excess epoxy

using paper towels. Use masking tape

wrapped around the center section to hold

the halves in place until the epoxy cures.

8. When the epoxy has cured, carefully remove

the masking tape from the wing.

9. Peel off the backing from the self adhesive

covering strip used to cover the center

section wing joint seam. Apply the strip to the

center section of the wing on the bottom first,

and the top using the rest of the material.

Aileron Servo Installation

1. Test fit the aileron servo into the ply-wood

servo tray. The servo should be mounted with

the output shaft towards the leading edge of

the wing and the servo wire should run out the

top of the wing through a notch cut in the side

of the servo tray. Depending on the size of the

servo you chose, you may need to trim the

in-side edges of the servo tray using a

modeling knife to allow the servo to fit

properly.

2. When satisfied with the fit, mount the servo

using the hardware provided by the radio

manufacturer. Drill 1/16'' pilot holes through

the servo tray at the mounting screw locations

before in-stalling the screws. This will prevent

the plywood from splitting.

3. Locate two nylon clevises and the two 140mm

threaded rods. Carefully thread the clevises

onto the rods. To prevent the clevises from

coming off the rods in flight, make sure you

thread them on completely.

4. Connect the two clevises to the installed

adjustable aileron control horns. The two

control horns should be adjusted so they are

even with the top of the torque rod.

Apply masking tape around

edge of join on each winghafl

Aileron servo

Servo tray

Control horn

Instruction Manual Dolphin 40

Fuel Tank Assembly

1. Locate the plastic molded fuel tank,

preassembled stopper assembly, weighted

pick-up and a length of fuel line about 2-1/2 ''

long (not included). For steps # 2-4, refer to

photo #16 below.

3. Test fit the two main gear wires into the

channel. When satisfied with the fit, secure

the wires in place using the two nylon straps

and four 3*12mm sheet metal screws. If you

look closely at the surface surrounding the

channel for the wire, you will notice that there

are already four pilot holes drilled to

accommodate the screws for the straps.

Mount the straps at these locations.

4. Install two of the wheels onto the axles using

the four wheel collars and set screws

provided. The wheels should be centered on

the axles with a wheel collar on each side,

holding them in place. Tighten the set screws

on the collars to secure them in place.The

wheels should rotate freely. You should apply

a small drop of lock-Tite thread lock to each

set screw to prevent them from coming loose.

5. Set the tail wheel assembly in place on the

plywood plate.

6. Drill 2,6mm pilot holes through the plywood

plate.

7. Secure the tail wheel bracket in place using

two 3mm x 12mm screw.

8. Align the tail wheel wire so that the wire is

parallel with the bottom of the rudder. The

control clasp has a pre-drilled hole through

the top of it. Slide this hole on to the tail wheel

wire while sliding the clasp over the bottom of

the rudder.

9. Secure the two clasps to the rudder bottom

using two 2mm x 10mm screws.

Main gear

Wheel

Wheel Screw

Nylon plate

Vent tube

Stopper assembly Fuel line

Clunk

Fuel pick-up tube

Instruction Manual Dolphin 40

2. Attach the weighted pick-up, more

com-momly referred to as the "clunk", to one

end of the silicon fuel line.

3. Slide the other end of the silicon fuel line

onto the end of one of the tubes coming out

of the rear of the stopper assembly. This will

be your fuel pickup line. When mounted the

clunk should rest 3/8'' from the rear of the

tank and should move freely within the tank.

The silicon tubing should be trimmed to fit.

4. Using your Fingers, gently bend the second

tube upwards. This will become the muffler

pressure tube. When inside the tank, it

should rest just within the bubble in the top of

the tank's roof.

Screw

clasps

10 11

5. Mount the muffler to the engine using the

mounting bolts provided with your engine.

Landing Gear Installation

1. Locate the two main landing gear wires, one

tail gear wire, two nylon mounting straps,

four 3*12mm Phillips head sheet metal

screws, three wheels, six wheel collars

w/set screws.

2. There are one hardwood landing gear blocks

with one precut channel in the bottom of the

fuselage. Using a modeling knife, remove the

covering from over the precut channels.

9. Set the vertical stabilizer back in place. Using

a triangle, check to ensure that it is 900to the

horizontal stabilizer.

10. Once you are sure that everything is aligned

correctly, glue the vertical stabilizer in place

using 30 Minute Epoxy. Double check all of

your measurements once more before the

epoxy cures. Hold the stabilizer in place with

T-pins until the epoxy has cured.

Engine Mounting

1. Test fit your engine into the engine mount.

Because the width of different engines differ,

the motor mount may need to be widened to

accommodate your engine.

2. Remove the muffler from the engine and set

the engine in the mount. Adjust the depth of

the engine in the mount. The front of the

thrust washer should be 3/4'' forward of the

front edge of the fuselage sides. This will

allow clearance for the propeller.

3. Once satisfied with the fit of the engine, mark

the position of the four engine mounting holes

onto the mount. Remove the engine and drill

out the mounting holes using a 7/64'' drill bit.

Drill one hole at a time, checking the

alignment after each hole is drilled.

4. When reinstalling the engine into the motor

mount, connect the carburetor arm to the

preinstalled throttle pushrod. The Z-Bend fits

into the lower hole in the throttle arm. Mount

the engine using the four3*25mm flat head

wood screws.

Glue with epoxy

Remove the covering

Instruction Manual Dolphin 40

3/4"

Instruction Manual Dolphin 40

12. Using a pliers, carefully make a 90 degree

bend up at the mark made. Cut off excess

wire, leaving about 8mm beyond the bend.

13. Insert the 90 degree bend up through the hole

in the servo arm. Install one nylon snap keeper

over the wire to secure it to the arm. Install the

servo arm retaining screw and remove the

masking tape from the rudder.

INSTALLING THE THROTTLE

Install one adjustable metal connector through the

third hole out from the center of one servo arm,

enlarge the hole in the servo arm using a 2mm drill

bit to accommodate the servo connector. Remove

the excess material from the arm.

After installing the adjustable metal connector

apply a small drop of thin C/A to the bottom nut.

This will prevent the connector from loosening

during flight.

2. Plug the throttle servo into the receiver and turn

on the radio system. Check to ensure that the

throttle servo output shaft is moving in the

correct direction. When the throttle stick is

moved forward from idle to full throttle, the

throttle barrel should also open and close using

this motion. If not, reverse the direction of the

servo, using the transmitter.

3. Slide the adjustable metal connector / servo

arm assembly over the plain end of the pushrod

wire. Position the throttle stick and the throttle

trim at their lowest positions.

4. Manually push the carburator barrel fully closed.

Angle the arm back about 45 degree from

center and attach the servo arm onto the servo.

With the carburator barrel fully closed, tighte the

set screw in the adjustable metal connector.

5. Remove the excess throttle pushrod wire using

wire cutters and install the servo arm retaining

screw.

6. Glue the 1/2'' *1/2''*1/4'' pieces of wood between

the fuselage side and the steering pushrod

housing to help hold the housing in place and

prevent it from flexing. Use the same technique

as with the throttle.

!!!

Control horn

Elevator Servo

Rudder

Motor control servo

Switch

Clevis

Receiver Battery I/C FLIGHT GUIDELINES

Made in Vietnam

When ready to fly, first extend the

transmitter aerial.

Operate the control sticks on the

transmitter and check that the control

surfaces move freely and in the

CORRECT directions. ALWAYS land the model INTO the

wind, this ensures that the model lands

at the slowest possible speed.

Switch on the transmitter.

Switch off the transmitter.

Check that the transmitter batteries

have adequate power.

Switch off the receiver.

Switch on the receiver. ALWAYS take off into the wind.

Check that the wings are correctly

fitted to the fuselage. If the model does not respond correctly

to the controls, land it as soon as

possible and correct the fault.

Empty the fuel tank after flying, fuel left

in the tank can cause corrosion and

lead to engine problems.

I/C FLIGHT WARNINGS

Instruction Manual Dolphin 40

Always operate in open areas, away

from factories, hospitals, schools,

buildings and houses etc. NEVER fly

your aircraft close to people or built

up areas.

THE PROPELLER IS DANGEROUS

Keep fingers, clothing (ties, shirt

sleeves, scarves) or any other loose

objects that could be caught or drawn

in, away from the propeller. Take care

at ALL times.

Keep all onlookers (especially small

children and animals) well back from

the area of operation. This is a flying

aircraft, which will cause serious

injury in case of impact with a person

or animal.

NEVER fly near power lines, aerials

or other dangerous areas including

airports, motorways etc.

NEVER use damaged or deformed

propellers or spinners.

DO NOT dispose of empty fuel

containers on a fire, this can lead to

an explosion.

NEVER fly in wet conditions or on

windy or stormy days.

ALWAYS adjust the engine from

behind the propeller, and do not allow

any part of your body to be in line

with the propeller.

We wish you many enjoyable flights with your plane and one again thank you for your choosing a Phoenix Model products.

Wing span : 1556mm [61.25 in]

Length : 1296mm [51 in]

Wing Area : 40.5dm2 [628sp.in]

RTF Weight : 2381g [84oz] 5.25 lbs

Wing Loading : 73g/dm2 [24 oz / ft2]

Engine : 40 - 46 two stroke

Radio require : 4 channel

Instruction Manual