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JR Heli Vibe - Airskipper - Sylphide - Venture > Finally Happened to me!
 
 
Maxists The Baddist
Senior Heliman
Location: PA
05-01-2008 11:49 PM
 
 
atvracer
Senior Heliman
Location: Transplanted to Oklahoma

how much for your 52.5mm tall blades

did you do any other damage?


atv

Vibe 90's, Rappy50s, 600n, 260 P Gasser Condor
05-01-2008 11:53 PM
 
 
Maxists The Baddist
Senior Heliman
Location: PA

No other damage. Really high up and heard something funny and tail started to feel wrong.
05-01-2008 11:59 PM
 
 
atvracer
Senior Heliman
Location: Transplanted to Oklahoma

lucky you still some control plus been high up it could have gotten real ugly I crash my rappy last weekend doing a tic toc 5ft of the ground lost my tail servo gears but it was my crapper not my vibe

look like you only need some tail blades cool


atv

Vibe 90's, Rappy50s, 600n, 260 P Gasser Condor
05-02-2008 12:12 AM
 
 
Maxists The Baddist
Senior Heliman
Location: PA

I'm just thinking about how to put it back together. I thought I did a real good job of tightening and locktiting. I guess it's something I'm going to have to check on now before every flight.
05-02-2008 12:29 AM
 
 
opti
Heliman
Location: clagiraba, queensland, australia

there is a bulliten on the vibe 90 tail doing a similar thing ,there is a tightning sequence to follow,if you look on horizons website you will find it.
05-02-2008 10:03 AM
 
 
Zaneman007
Key Veteran
Location: Texas - USA

Oooch, that hurts.

I'd rather be flying
05-02-2008 06:16 PM
 
 
patriot21
Key Veteran
Location: Eagle Lake,MN

http://www.horizonhobby.com/Product...?ProdID=JRP9060


Bulletins
Vibe service bulletin
Through reports from some of our Team JR members in the field it has come to or attention that there have been a small percentage of Vibe helicopters that have experienced severe tail vibration and in a couple instances lost tail rotor blades. This is obviously a very serious condition that can result in a catastrophic crash.

Through extensive research we have traced the cause to an improperly secured bolt on the tail clamp (#JRP960133) thus allowing the tail rotor gear box to rotate on the tail boom in flight. In some cases the tail rotor blades strike the vertical fin resulting in the grips and or rotor hub being destroyed. In less severe instances a resonance (vibration) occurs in the tail rotor system/gearbox. This resonance is primarily occurring when the tail clamp (#JRP960133) is insufficiently tightened allowing the tail rotor gearbox to resonate in the tail boom resulting in extreme stresses being placed on the tail hub, blade grips and tail blades which in time will fail.

Important: The tail clamp (part #JRP960133) fastens the tail rotor gearbox to the tail boom and must be securely clamped in place to prevent gear box rotation and or tail resonance/ vibration. This requires that the 3mm x15mm socket head bolt (JRP980015) be securely tightened such that the clamp compresses the tail boom fixing the tail rotor gearbox in place. It’s necessary to use adequate force when tightening this 3x15mm screw so that the clamp compresses the tail boom firmly securing the tail rotor gearbox in place. Note that the tail clamp is also used to attach the rear portion of the vertical fin in place. It’s very important to fully tighten the 3x15mm socket head bolt that tightens the clamp and secures the tail rotor gearbox in place BEFORE the vertical fin is attached. If the vertical fin is installed first it’s possible that the screw attaching the fin to the clamp will prevent the 3x15mm clamp bolt from fully seating preventing the clamp from securely fastening the tail rotor gearbox in place.

My Sponsor:VISA
05-02-2008 08:42 PM
 
 
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JR Heli Vibe - Airskipper - Sylphide - Venture > Finally Happened to me!
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