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04-03-2009, 11:17 AM
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#1 |
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cuttin the grass with balsa
 
Join Date: Jan 2006
Location: Boise, Idaho
Age: 44
Posts: 1,123
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Control Throws
Hey guys I am setting up my 42% Aerotech Yak 54. In the manual it says to set teh elevator throws at 1/2" up/down for mild. This equates out to about 10 degrees of deflection. Really not noticable. When I double it and go to 20 degrees I can see that it has some deflection. I am wondering what most of you use when setting up your throws on your 40% planes.
The plane will not be tail heavy so I am not too worried about it being too sensitive in the elevators. If you need pictures I will get some tonite and post them. LJ
__________________
You must learn from the mistakes of others. You can't possibly live long enough to make them all yourself. |
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04-03-2009, 12:30 PM
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#2 |
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If you can't HUCK it BLING IT!
Join Date: Jan 2006
Location: Just Moved.......Hampton VA
Age: 37
Posts: 9,269
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Re: Control Throws
I'd setup up at least 2 rates. Typically I use 3 rates on my 10x. Takeoff of the maiden is done at midrates so there is some wiggle room if needed. Also I add it some expo with that as well.
Once you get it up high switch back to low rates. Then fly a few rolls/snaps/loops/knife edge etc and see where you want each control surface by switching through your rates. But that is just about where I set my throws at on low rates, to start with anyway.
__________________
Offical Member of Team Caribou Lou "Some people spend an entire lifetime wondering if they made a difference in the world. But the U.S. ARMED FORCES don't have that problem." ...Ronald Reagan |
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04-03-2009, 12:53 PM
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#3 |
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cuttin the grass with balsa
Join Date: Jan 2006
Location: Boise, Idaho
Age: 44
Posts: 1,123
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Re: Control Throws
Sweetpea. Yea I plan on having at least 2 rates set. I just didn't think that the 1/2" on the elevator would be effective. The High on it is supposed to be at 1 1/4in. I do have over 50 degrees of throw on the elevators ( 3D rates ) and about the same on the ailerons. I will post some pics tonite. to show the bevels and how far each surface can move.
LJ
__________________
You must learn from the mistakes of others. You can't possibly live long enough to make them all yourself. |
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04-03-2009, 12:57 PM
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#4 |
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If you can't HUCK it BLING IT!
Join Date: Jan 2006
Location: Just Moved.......Hampton VA
Age: 37
Posts: 9,269
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Re: Control Throws
For IMAC, mine don't move much. Though I'm not sure what degree they are at currently. I'd fathom a guess at 12, but that would only be a guess. I do know I have more expo down than up as I tended to push harder when inverted.
If you are doing 2 rates, then its simple........set it up for 10 and then for say 25-35. That should give you 2 good ranges. You'll know then if your ok.
__________________
Offical Member of Team Caribou Lou "Some people spend an entire lifetime wondering if they made a difference in the world. But the U.S. ARMED FORCES don't have that problem." ...Ronald Reagan |
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04-03-2009, 01:18 PM
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#5 |
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Bad-ass Super Contributer!
Join Date: Dec 2006
Location: Olney, IL
Posts: 364
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Re: Control Throws
12 degrees is pretty typical on the elevator for IMAC or just flying around.
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04-03-2009, 01:23 PM
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#6 |
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Uber Contributer
Join Date: Nov 2008
Posts: 197
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Re: Control Throws
DO NOT fly first flight on anything higher than 12 degrees.
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