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Old 02-27-2009, 08:55 AM   #8
vtaildriver
Flyin' Around
 
Join Date: Mar 2008
Posts: 5
Default Re: Aeroworks 150cc Yak-54 Where is your balance

I am building the same color scheme as you, and according to Mark, this one has more support in the tail so is harder to get into the CG range. My first attempt with no spacers on the engine and four 7955's in the tail resulted in a CG around 6 and 1/4. With one spacer installed got me to around 5 and 1/2 and removing two of the servos from the tail got it to around 5. I think at this point I am going to run one servo on each elevator and pull the center servo from the wings also.This will also lighten the airframe by a pound. Mark assures me it will be fine with the single servo on the elevators. I hate to keep spacing the motor forward as it makes the prop to cowl spacing look ridiculous. Oh, I also am running a three blade carbon prop and a large spinner, so this helped a little with the CG. I also like to run wood props and I do not know how much this change will affect the range since I haven't gotten that far yet.

Last edited by vtaildriver; 04-14-2009 at 01:29 AM.
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