RCU Forums - View Single Post - Advice needed - Adding flaps(servo question)
Old 12-17-2005 | 08:47 AM
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bbbair
 
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From: Sarnia, ON, CANADA
Default RE: Advice needed - Adding flaps(servo question)


ORIGINAL: UNBALLANCED

If I go the dual aileron servo route- my original intention, why not just cut the aileron stock and utilize the original torque rods to make flaps? Ya'll aren't trying to talk me out of this are you?
If you insist on having separate flaps there are several things still to consider;

1. How many hinges are on the strip ailerons?

2. Where are they located?

3. Where are you planning to cut the aileron? You will need at least two hinges per flap, and perhaps three on the remaining aileron.

4. Are the hinges close to the ends of you're new control surfaces? You don't want to induce any flutter...

Now; you want to use two servos to control the flaps...
WHY?
-Extra weight, wiring and expense!! - not good!
-One servo, light simple and inexpensive - very good!
How?
-Get some pinao wire, and make a simple yoke (think of a 'Y' that starts at one point and then goes to two places).

Finally;
Yes I AM trying to talk you out of this modification, if you have a computer radio you can do this easily with little effort. If you do not have a Computer radio - the question becomes; Why do you feel that you NEED flaps?