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Home✈️Aircraft🚁HelicopterHelicopter Main Discussion › Chopped my tail off!
04-23-2009 09:14 PM  10 years ago
Sam2b

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Tacoma, WA

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I'm running soft dampening all day long, and I never come close to chopping my tail off. Stick movement seems to be in excess to chop off the tail, otherwise this will never happen in a piro flip.

How about this: in your effort to perform piro flips, remember only a few degrees of collective pitch is needed for positive and negative. Secondly, you don't need allot of cyclic either. If your cyclic sticks are very close to the transmitter walls, it's too much. It is possible to not use so much cyclic and collective, just slow it down and smooth it out. That is my belief of what went happened.
_Sam B_
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04-23-2009 09:23 PM  10 years ago
VinceY

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Newnan GA

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I thought of that. Does that mean that any time I panic and throw in too much stick(in a piro flip), I'm risking a boom strike?
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04-23-2009 09:25 PM  10 years ago
rotormonkey

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Ottawa, ON - Canada

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+1 Sam2b. If you're just learning piroflips, or even just doing them on that particular machine for the first time you may be feeding in too much pitch. Add that to soft dampening, and you have a recipe for a boom strike.
If your cyclic sticks are very close to the transmitter walls, it's too much.
Generally this statement has a lot of truth in it. Although it does depend very much on setup. If your throws are low you can still piroflip, but you'll need to keep that stick near the edges.

In any event tighter dampers probably would have done you some good. It's my opinion also that loose blades wouldn't have caused a boom strike. More likely there was just too much flex in the rotor head. Be it the blades (which I doubt with CF), the grips or dampers.
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04-23-2009 09:27 PM  10 years ago
rotormonkey

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Ottawa, ON - Canada

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I thought of that. Does that mean that any time I panic and throw in too much stick(in a piro flip), I'm risking a boom strike?
With soft damping - yes. Tighter damping you can bang the sticks around and be okay.
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04-23-2009 09:39 PM  10 years ago
Sam2b

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Tacoma, WA

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Good info, Rotormoneky.

Here's an example of how I do the piro flips, and some half piro flips with pausing. The half piro flips are good practice to make the heli stable in between flips while pirouetting. It may help to practice it that way initially.

Granted I have my cyclic and collective maxed out, I don't use much cyclic or collective during these maneuvers. Just my preference.

Watch at YouTube

_Sam B_
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04-23-2009 09:50 PM  10 years ago
rotormonkey

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Ottawa, ON - Canada

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Diggity! Nice flying Sam!
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04-24-2009 12:52 AM  10 years ago
trackemdown

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Central ,VA

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Nice flying. Grabbem-n-baggem
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04-26-2009 04:28 AM  10 years ago
chopper_crazy

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Delphos, Ohio

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I would put some trueblood dampners in it and give it a try. just be happy is was a 450 size machine and not a 90!It's a complex, costly, glow powered anti-gravity machine!
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Home✈️Aircraft🚁HelicopterHelicopter Main Discussion › Chopped my tail off!
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