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Scale Helicopters Discussions About Scale Helis, compatibility and and projects


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Old 06-08-2013, 09:15 PM   #1 (permalink)
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Default spool up question

I'm running a 4 blade head on 700 size heli
Ikon fbl

everything set right in the heli and the ikon, checked 3 times.

when I spool up the heli start to rock back and forward nose to tail.
Im running a pitch curve of 0/+5/+10

Anyone have a clue what is wrong?
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Old 06-08-2013, 09:58 PM   #2 (permalink)
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Your blades are trying to set themselves. I try as best as possible to get the blades at the same position in the grips so that spool-up goes as smooth as it can. Now, once it has been spooled up, you can tighten the grips a bit so that they don't move so easy. They should be more snug than you would use on a 3D heli but not so snug that they can't move. After hundreds of spool-ups, you get used to it and it can be a pain at times. Hope this helps.

Don
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Old 06-08-2013, 10:50 PM   #3 (permalink)
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Thanks for the reply, I will try what you said tomorrow, and see what happens.
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Old 06-08-2013, 11:41 PM   #4 (permalink)
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You can try spinning it up in stages. I need to do that with an Align 600ESP inside an Airwolf body. It is a bugger to spool-up the first time but once it is done, the next time it is smooth as silk. Add soft rubber wheels to the mix, like I have on that one, and you really have a handful, lol. Take care.

Don
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Old 06-10-2013, 03:38 PM   #5 (permalink)
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I think I found the problem, The head was assembled at the factory but lhey left all 4 feathering shaft bolts loose. dumb me, I should have known better and checked them before I assembled the rest of the head.

Thanks guys for the replys.
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Old 06-10-2013, 05:31 PM   #6 (permalink)
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which head do you use?
just out of curiosity...

gh
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Old 06-10-2013, 06:17 PM   #7 (permalink)
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this is the head, it looks great, but I think it would be a better design if the made the plade grips one piece instead of having to leave it a little loose so it centers itself on spool up, its bad enough that the blades have to center themselves.

http://www.scaleflying.com/Super-Sca...es_p_2367.html
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