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HomeAircraftHelicopterHelicopter Main Discussion › Blade grip flip Raptor 30 / 50 V2
04-11-2010 01:29 PM  8 years agoPost 1
Hamo

rrVeteran

Ireland

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Would someone please give me a link to step by step instructions of how to do this. It was posted here before but I can't find it. Thanks
Hamo

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04-11-2010 01:57 PM  8 years agoPost 2
BarracudaHockey

rrMaster

Jacksonville FL

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If you're getting blade woof I would humbly suggest finding and fixing it. If you're not then there's no benefit.

Andy
AMA 77227
http://www.jaxrc.com

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04-11-2010 07:15 PM  8 years agoPost 3
Hamo

rrVeteran

Ireland

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OK, thanks, point taken
Hamo

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04-11-2010 08:55 PM  8 years agoPost 4
Yug

rrMaster

UK. Herts

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Yup, fix the root cause of the problem. This is the order I would check - Bent spindle, bend main shaft, warn dampers, sloppy linkages, warn servo gears, poorly mounted servos, horns too flexible. On a few occasions, I found that the addition of a pivot support on the collective servo fixed the problem, everything else was perfect.
Do a search on correcting delta versus non-correcting delta.

Vegetable rights and Peace

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04-12-2010 12:00 AM  8 years agoPost 5
JasonJ

rrKey Veteran

North Idaho

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Look at your seesaw, mixing arms and flybar control arms on the top of the head. When you do a grip flip, you are reinstalling these as a mirror image of how it is currently set up. Then you flip the grips. You do not need to change anything below the grips, but you do want to go back through the whole head and make sure everything is still at 90 degrees when at 0 pitch. Reverse the pitch servo, make sure you still have even +- pitch, all done.

Don't think of it as a cure for blade flutter, think of it as another additional step along with good maintenance to prevent blade flutter. Even if you are not or have never had blade flutter, grip flipping on this helicopter is a way to keep it from happening. For some reason, the Raptor is more sensitive than other trailing edge control helicopters. You can't predict when or if it might happen, no one can. Even with good maintenance it is possible to have it happen, and you are caught off guard. Sometimes even going to a different set of blades can cause it. So you have a choice, hope it doesn't happen and risk a loss of control or flip the grips, do your maintenance, and KNOW it won't happen.

I never had blade flutter on my Raptor, but I did the flip anyway. My justification is Thunder Tiger flipped the grips on the SE for a reason, and it wasn't because they were bored that day.

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