Angle of flap deflection in FUNJET - RC Groups
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May 14, 2009, 07:00 AM
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Angle of flap deflection in FUNJET


I'm using JR ES375 servos and set the servo arms at 90 to the servo case. How much should the flaps move up when full elevator is applied?
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May 14, 2009, 07:05 PM
life is an oyster. shuck it!
istandalone's Avatar
probably get an answer faster in the funjet thread.
May 15, 2009, 03:33 PM
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Jurgen Heilig's Avatar
Quote:
Originally Posted by toyheli
I'm using JR ES375 servos and set the servo arms at 90 to the servo case. How much should the flaps move up when full elevator is applied?
Excerpt from the instruction manual:

The elevon travels must be set correctly in order to obtain a balanced control response: the elevators should deflect up (stick back towards you) by about 12 mm, and down (stick forward) by about 10 mm. Set the aileron travels to + 10 mm / - 13 mm (negative differential). If you cannot set these
travels by making adjustments at the transmitter, you will need to re-position the pushrod connectors on the elevon horns.

The neutral position for the first flight should be approximately 2 mm “up”. With the model set up in this way, you will usually need to apply slight down-trim for general flying. After the first landing mark the correct elevon setting on the fins using a waterproof felt-tip pen. When you fly the model, trim both elevons “up” by about 1 mm, i.e. 1 mm above the marked points. After the initial climb to height, move the elevator trim back to centre for the remainder of the flight.


Jürgen


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