Extreme Flight MXS-EXP User manual
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MXS-EXP
64 Inch Electric ARF Assembly Manual
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Please take a few moments to read this instruction manual before beginning assembly. We
have outlined a fast, clear and easy method to assemble this aircraft and familiarizing
yourself with this process will aid in a quick, easy build.
Please read the following paragraph before beginning assembly
of your aircraft!
THIS IS NOT A TOY! Serious injury, destruction of property, or even death may result
from the misuse of this product. Extreme Flight RC is providing you, the consumer with a
very high quality model aircraft component kit, from which you, the consumer, will
assemble a flying model. However it is beyond our control to monitor the finished aircraft
you produce. Extreme Flight RC will in no way accept or assume responsibility or liability
for damages resulting from the use of this user assembled product. This aircraft should be
flown in accordance to the AMA safety code. It is highly recommended that you join the
Academy of Model Aeronautics in order to be properly insured, and to operate your
model at AMA sanctioned flying fields only. If you are not willing to accept ALL liability
for the use of this product, please return it to the place of purchase immediately.
Extreme Flight RC, Ltd. guarantees this kit to be free of defects in materials and
workmanship for a period of 30 DAYS from the date of purchase. All warranty claims
must be accompanied by the original dated receipt. This warranty is extended to the
original purchaser of the aircraft kit only.
Extreme Flight RC in no way warranties its aircraft against flutter. We have put these
aircraft through the most grueling flight tests imaginable and have not experienced any
control surface flutter. Proper servo selection and linkage set-up is absolutely essential.
Inadequate servos or improper linkage set up may result in flutter and possibly the
complete destruction of your aircraft. If you are not experienced in this type of linkage
set-up or have questions regarding servo choices, please contact us at
airworthiness of your model.
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Tips for Success:
1. Before starting assembly, take a few minutes to read the entire instruction manual to familiarize
yourself with the assembly process.
2. Please take a few minutes and go over all the seams on the aircraft with a covering iron on a medium
heat setting.
3. Use a fresh bottle of thin CA with a fine glue tip when attaching the CA hinges. This will ensure that
the proper amount of CA wicks into the hinge and surrounding balsa wood and creates a proper bond
between the wood and hinges. We are big fans of the Mercury line of adhesives as well as the glue tips
provided by them.
4. Apply a couple drops of CA to high stress areas such as anti-rotation pins, landing gear mounts, servo
trays and motor box joints .
5. All of the G10 control horns are the same with the exception of the elevator horn. Its base has been
shortened to fit the depth of the elevator.
6. When applying decals, first clean the area where the decal will be applied with alcohol. Mist the area
lightly with Windex or Rapid Tack before applying the decal which will allow you to properly position it,
then use a rubber squeegee to push all of the liquid from under the decal. This will result in very few air
pockets trapped under the decal.
7. Take the time to properly balance and trim your aircraft and set up rates and exponential values.
Your flying experience will be greatly enhanced by doing this.
8. If repairs become necessary, the Ultracote colors used on the 60 inch MXS are as follows:
Yellow/Black/White color scheme: Bright Yellow #HANU872, White #HANU870, Black #HANU874
Green/Black/White color scheme: Green #hanu880, White #HANU870, Black#HANU874
Please note: The MXS assembles in the same manner as the previous 60 inch
airframes. As a result some of the photos in this manual may be of other
aircraft if we determined they better illustrated the assembly step.
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Items needed for completion
-Masking tape.
-Hobby knife with #11 blades.
-Razor saw.
-Hobby sealing iron.
-Thin and medium CA. We highly recommend Mercury M5T thin and M100XF medium formulas as
well as the Mercury glue tips.
-30 minute epoxy. The new Mercury Adhesives Epoxies have worked very well for us.
-Denatured alcohol.
-Paper towels.
-Blue Loctite.
-Electric drill with an assortment of small drill bits.
-Small flat head and Phillip's head screw drivers.
-Standard and needle nose pliers.
-Metric balldriver or allen key set.
-Sanding block and sandpaper.
-4 mini metal geared servos. All flight testing was performed with Hitec HS-5245MGs and JR3711HVs.
-Dubro Long Super Strength servo arm set. (Dubro part #670 for Futaba, #671 for JR and #672 for
Hitec).
-Torque 4016T/500 Brushless Outrunner or Hacker A50-14XS v2 Outrunner motor.
-Airboss Elite 80 Amp ESC.
-5S-6S 3300-4000 mah LiPo battery.
-2-24" extensions for the 2 rear servos and 2-6"extensions to go between the receiver and the aileron
servo leads.
-Adhesive backed Velcro and Velcro strap for battery retention.
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Let's begin!
1. Locate the 2 wing panels with ailerons as well as the 2 G10 aileron control horns and base plates.
Remove the covering over the slot for the aileron horn on the bottom of the aileron with a sharp hobby
blade. Make sure you are doing this on the bottom of the aileron! Insert the horn into the base plate and
into the slot in the aileron. Use a fine tipped felt marker to trace the base plate.
2. Remove the control horn and scuff the portion that will be glued into the aileron with sandpaper.
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3. Use a sharp hobby blade to remove the covering 1/16 of an inch inside the line you traced around the
control horn base.
4. Mix up a batch of 30 minute epoxy and apply liberally to the slot in the aileron and to the scuffed
portion of the control horn that will insert into the aileron. Install the aileron horn and base plate onto
the aileron and wipe away any excess epoxy with a paper towel soaked in denatured alcohol.
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5. Remove the covering from the aileron servo location and make sure the hinges are centered in their
slots. Slide the aileron into position making sure the outer tip of the aileron is flush with the wing tip.
Apply a drop of CA at each hinge location on both the top and bottom side of the wing. Use a fresh bottle
of thin CA and a fine glue tip for best results.
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6. Before installing the aileron servo take a minute and apply some CA to the servo tray, root rib and the
anti-rotation pins.
7. Use the screws provided by the servo manufacturer to secure the aileron servo in the designated
location with the output shaft toward the leading edge of the wing.
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8. Locate the 2 threaded metal pushrods that are the same length and 4 ball links along with 4-2mm
screws, nuts and washers. Thread the ball links onto each end of the pushrods and secure to the servo
arm and control horn using the supplied hardware as shown in the picture. Use the second longest set of
servo arms included with the Dubro Long Super Strength servo arm kit for the aileron linkages. (Dubro
part #670 for Futaba, #671 for JR and #672 for Hitec).
9. Repeat this process for the other wing half. When finished take a few minutes to go over all of the
seams in the covering with a sealing iron on a medium heat setting paying special attention to stripe edges
and ends. Clean the wing panels with a soft cloth and put them away in their wing bags.
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Fuselage assembly
10. First lets assemble the landing gear unit and bolt it to the fuselage. Locate the main wheels, wheel
pants, one piece carbon fiber landing gear, 4-3mm socket head cap bolts with 4 washers, 2 axles, 2 wheel
collars, 2 large washers to fit the threaded portion of the axles, and 2 nylon insert locknuts.
11. Place the wheel onto the axle and secure with a wheel collar. Place the threaded portion of the axle
through the hole in the carbon gear leg. Place a washer on the threaded portion of the axle and screw the
lock nut onto the axle, but do not tighten completely. There is a slot pre-cut in the wheel pant to allow it
to fit over the axle. Slide the wheel pant into position over the axle and tighten the nut on the axle, taking
care to make sure the wheel pant is positioned properly. Repeat this process for the remaining wheel
pant. Again this is probably better explained in the following series of pictures.
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