Ripmax WOT4-E User manual
Introduction
Congratulations on your purchase of the WOT 4-E ARTF-the first electric almost ready to fly
version of this timeless classic. Described as the most exciting sports aerobatic model of all time,
it can be assembled in the minimum of time.
Before commencing construction, please ensure that you read these instrutions in their entirety.
Items recommended to Complete
The Wot 4-e ARTF is suitable for a wide variety of power systems. We have found the following
combination to be the perfect balance of power,low weight and economy.
Motor: KMS Quantum 2820/05 Part No.M-KMSQ2820/05
ESC: Arrowind 35A ESC(SW) Part No.P-AWDFC3505SW or Dragon X 45A Brushless ESC
Part No. P-RMXD045
Propeller: APC 11”*5.5” Thin Electric Part No.E-LP11055E
Li-Po: 3 cell 2100-2500mah 20C
Fitting the ailerons and Completing wing
STEP 1
The wings and ailerons are aupplied with the hinges loose fitted,ready for installation. Remove
both ailerons and ensure that the hinges are inserted mid-way in their slots. Using thin cyano, pour
a couple of drops onto each hinge-above and below-ensuring the glue soaks into the hinge and the
surrounding wood.
STEP 2
Carefully slide each aileron into position,ensuring a gap-free hinge line. Make sure that each
aileron lines up with the wing tips and tat they are free to move through their entire travel. Centre
each aileron between the root and tip so that there is a equal gap at both ends. Minimise any hinge
gap, then carefully add a couple of drops of thin cyano to the top and bottom of each hinge
ensuring that the glue does not run through the hinge line onto the bottom of the wing. Turn the
wing over and drop more cyano onto each hinge from the other side.
STEP 3
Locate the wing servo apertures through the covering on the underside of the wing.carefully trim
away the covering as shown.
STEP 4
Prepare your aileron servos by connecting a suitable 300mm extension lead to each. It is a good
idea to use a lead-lock, a turn of insulation tape or heatshrink tube over the joint for additional
security.carefully tie each aileron servo’s lead to the length of cotton already in the wing panels.
STEP 5
Cut away the covering over the servo lead holes in the underside of the wing panels and carefully
pull the leads through to the center of the wing using the cotton thread.lift out the servo connector
through the hole then retain the servo lead with a short length of tape to stop the lead pulling back
into the wing.
STEP 6
Check that your choice of servo fits the servo apertures in the underside of the wing. Adjust the
size of the mounting holes with a sharp knife if required. Pilot drill the mounting holes.
STEP 7
Screw the aileron servos in position using the mounting screws, rubber grommets and ferrules
supplied with your radio. Note that the output arms face towards the rear of the wing.
STEP 8
Locate the aileron control horns. They are screwed in position on the ailerons in line with the
aileron servo’s output arm. Align the row of holes in the horn with the hinge line. Mark and pilot
drill two mounting holes in each aileron.
STEP 9
Screw the aileron horns in position. The screws thread into the moulded horn plate on the top
surface of the wing. Do not overtighten the control horn mounting screws-you don;t wat to crush
the aileron.
STEP 10
Use a small length of tape to hold each of the ailerons at their neutral position while you complete
the aileron linkages. Ensure that both aileron servos are centered.
STEP 11
The aileron push-rods is adjustable ball links system.
STEP 12
Enlarge the servo arm holes to 2mm for install the M2 screws.
STEP 13
Install the ball links to the servo arms with M2 screws and locking nuts.
STEP 14
Install the ball links to the aileron horns with M2 screws and locking nuts.
STEP 15
You can adjust the pushrod by rotate the ball links.
STEP 16
Epoxy the incidence locating dowel in position in one wing panel.
STEP 17
Using a sharp knife, prepare the wings for joining by trimming off any excess film that has
overlapped the root during manufacture.
STEP 18
Locate the wing joining brace, measure and mark a center-line on the joining brace.
STEP 19
Coat one half of the brace and the inside of the corresponding slot in the wing panel with rapid
setting epoxy. Ensure that adequate epoxy is used to fully cover all surfaces.
STEP 20
Insert the brace half-way into one wing panel using the center-line as a guide.wipe off any excess
epoxy and allow glue to cure.
STEP 21
Now spread sufficient epoxy over the opposite panel joiner slot,wing joiner and root rib.we
suggest using 30 minute or 1 hour epoxy for this.
STEP 22
Protect the covering with masking tape,then bring the two panels together ensuring the epoxy fills
the join. Wipe off any excess that squeezes out of the joint,then use tape to hold the panels
together as the adhesive cures.
Fuselage,Motor&Radio
STEP 23
Locate the aluminium main undercarriage,wheels and wheel mounting hardware(mounting
screws,plain and nylon nuts). Pass the mounting screw through the wheel,screw on a plain
nut,then pass through the main undercarriage. Now fit a nylon nut on the inside. Hold the inner nut
still and tighten the nylon nut.check the wheel rotates freely.repeat for the second wheel.
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