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HelicopterMain Discussion › Smashed my vigor (bigish images)
12-08-2004 01:20 PM  13 years agoPost 1
rccopter

rrApprentice

Perth Australia

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Dam tail let go when flying backwards

once it looked sweet

bent the s#$t out of the main shaft


YS 91 cracked/ bend crank

this is what caused the tail to let go... tail gearbox gears striped out.

I think its time i started to service my helis every 6 months. I always look over them but don’t really pull it apart and have a good look.

www.perthrcheliclub.org.au

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12-08-2004 01:44 PM  13 years agoPost 2
Drunk Monk

rrProfessor

Preston, UK

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Ouch, I feel for you. I've never seen a mainshaft bent like that, looks like a very hard impact


Stephen

I only open my mouth to change feet.....

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12-08-2004 01:48 PM  13 years agoPost 3
littleman

rrKey Veteran

Pasadena, Ca

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wow
A.J.

Proud member of Teams Castle, MSH USA, Futaba, Scorpion, & Nick Maxwell Products

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12-08-2004 01:59 PM  13 years agoPost 4
rogers259

rrApprentice

Canal Winchester, OH

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ouch!! hate to see something like that happen to a nice machine.

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12-08-2004 02:06 PM  13 years agoPost 5
RotorX

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London

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Damn - shame dude, but Janek is right he has enough experience with helis and tails - ey Jan

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12-08-2004 02:27 PM  13 years agoPost 6
rccopter

rrApprentice

Perth Australia

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do you mean like this?

i've been doing a lot of backwards flying and piros, thats not helped

www.perthrcheliclub.org.au

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12-08-2004 02:31 PM  13 years agoPost 7
Ted Toth

rrElite Veteran

Myrtle Beach S.C.

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once it looked sweet
Yes it did
sorry to see that


.

You don't stop laughing because you grow old, you grow old because you stopped laughing.

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12-08-2004 02:35 PM  13 years agoPost 8
rccopter

rrApprentice

Perth Australia

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humm the bearing seems ok, but its not exactly tight on the shaft, maybe over time its very slightly worn away the inside edge of the bearing (is it called the race? or something) resulting is a lose fit

www.perthrcheliclub.org.au

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12-08-2004 02:48 PM  13 years agoPost 9
rob10000

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Western Massachusettes

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That's gotta be one of the worst crash remains I have ever seen!
WOW

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12-08-2004 03:22 PM  13 years agoPost 10
Crusty

rrApprentice

N51 degrees 29.823 minutes W3 degrees 16.133 minut

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Ouch, sorry to see that,perhaps try some loctite on the inner race, it does indeed look like its been spun on the shaft

I am dsylexia of borg..resistance is fruity...your arse will be laminated

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12-08-2004 04:50 PM  13 years agoPost 11
learjetcb

rrApprentice

Topeka ks. usa

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looks like you need to try that metal tail box for the vigor/vibe.

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12-08-2004 04:58 PM  13 years agoPost 12
JitsuGuy

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Tulsa, Oklahoma

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Chalk this one up for a positive reason an open tailbox would be beneficial.

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12-08-2004 05:05 PM  13 years agoPost 13
Rappy da Raptor

rrVeteran

Dorset

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nasty crash. Never seen the main shaft like that before

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12-08-2004 05:32 PM  13 years agoPost 14
blakka_1

rrElite Veteran

London/Enfield

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ouch, thats gona be pricey. no worries mate, you'll feel much better when you get some replacement parts to put her back together.

personally i think you was unlucky for the tail to strip like that.

well you've had your bad luck now, time for some good luck

from now on just keep a close eye on tha tail ey

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12-08-2004 06:08 PM  13 years agoPost 15
Mark C

rrKey Veteran

Houston, TX - USA

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How the heck did it end up bending/breaking the crankshaft!?!?!?!

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12-08-2004 07:24 PM  13 years agoPost 16
mfgeary

rrNovice

Harleysville PA

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It looks like a Vigor standard with belt drive.
It's not a gear box , it's a worn pulley

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12-08-2004 07:32 PM  13 years agoPost 17
wolfdad

rrKey Veteran

Southern Maryland

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My friend, believe me when I say I feel your pain to the very core. I managed to dump two Vigors, the first a standard and, the second a CS in two succeeding weekends....talk about you getting screwed and not getting kissed. Do you know what happened to cause the tail to let go like that? Looks like it bound up all at once and the belt just cleaned the teeth right off the hummer and I cannot imagine what would have caused that kind of immediate bind.

wolfdad sends...

"There are those who have...and, those who will" IRCHA #2117, AMA #70068, Turbine Waiver #105

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12-08-2004 07:36 PM  13 years agoPost 18
Doug

rrElite Veteran

Port Saint Luice Florida....

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I think the cracked crank "was" going to be your "next" falure

First member of Member of Bearings Anonymous

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12-08-2004 11:58 PM  13 years agoPost 19
rccopter

rrApprentice

Perth Australia

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I think the YS91 was giving the tail a good workout. I had the metal front tail pulley but not the rear. This heli was really getting a thrashing around the sky, it had a lot of punishment to get to this point.

Its possible the crank bent because when the heli hit the ground (sob sob) the main shaft took most of the impact, I think that transferred to the crank (it fully tore out about 5 teeth from the main gear).

I haven’t had a chance to pull it right apart but the frames seem to have survived, along with all the electrics, same for the paddles and tail blades. I have yet to open the YS to have a look inside. Ah well, it’s this heli first crash, in 11 months of flying every Sunday so that’s not so bad.

wolfdad 2 in two weekends has gota suck (lucky I don’t have another Vigor or it would probably be 6 feet under next weekend )

www.perthrcheliclub.org.au

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12-09-2004 12:51 AM  13 years agoPost 20
m1ke1

rrVeteran

New Salem, Massachusetts

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I wonder if this is similar to the tail box failures in the CS where the 91 creates so much power that if the tail blades are out of balance slightly that it cause a vibration causing the pulley failure which might also indicate the wear on the shaft where it rides on the bearing.
Just a thought.
I know your pain i had a tail box come off of my CS and it went in hard.

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HelicopterMain Discussion › Smashed my vigor (bigish images)
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