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HelicopterMain Discussion › Smashed my vigor (bigish images)
12-09-2004 01:14 AM  13 years agoPost 21
Furious Predator

rrProfessor

Kitchener, Ontario, Canada

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Wow....that looks all to familiar....

My first crash with my vigor was for the same reason, the plastic tail pulley metled away (the belt waas too loose and was skipping, building up heat, and failed in a stall turn), she fell from about 200feet and nothing i could do about it. If you check out the Rapide body kit i have for it in my gallery....it no longer exists due to that crash.

The bent main shaft is another familiar site, my second and so far last crash was bent just like that one!!! i'd display a pic of my damage but i can only do it mondays. atleast your canopy can still be used. Since its winter here and i have nothing to do, i'm repairing my crash canopies, and they are turning out quite well so far, i am documenting my procedures incase someone wants to see how i did it.

Shawn
Team Leisure-Tech
Team HelixRC

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12-09-2004 01:31 AM  13 years agoPost 22
rccopter

rrApprentice

Perth Australia

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yeah i wouldn't mind seeing how u do it, the canopy not the bad, however its pretty weak around the top join (near the swash just as it bends around to the front)

www.perthrcheliclub.org.au

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12-09-2004 02:22 AM  13 years agoPost 23
Helimex

rrApprentice

Oklahoma

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Just curious but could it be that engine overspeeding may have caused all your troubles? Especially that crankshaft issue?

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12-09-2004 02:32 AM  13 years agoPost 24
rccopter

rrApprentice

Perth Australia

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Just curious but could it be that engine overspeeding may have caused all your troubles? Especially that crankshaft issue?
Probably not because I was running at 8:1, the crank is actually bent from the crash and I believe that’s what caused the crack. With my setup I had to slot the clutch bearing block so I could move it forward about 1.5mm (along with milling down the engine mount), this was required for 8:1, most people are running 8.45:1 with a similar setup. This may have given the crank/clutch bell assembly a bit of room to move in the crash resulting in the bent crank.

www.perthrcheliclub.org.au

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12-09-2004 02:46 AM  13 years agoPost 25
Helimex

rrApprentice

Oklahoma

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Ok, understood. Good luck with the rebuild. By the way, your pics are nice and clear, allowing us to understand the situation much easier.

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12-09-2004 02:54 AM  13 years agoPost 26
rccopter

rrApprentice

Perth Australia

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yeah digital cameras are great, a picture is really worth a thousand words

Its really great to get so much feedback on the cause,

www.perthrcheliclub.org.au

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12-09-2004 03:26 AM  13 years agoPost 27
cmsilvoy

rrKey Veteran

Durham, NC

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Are you guys serious?
You've never seen a main shaft bent like that before?
You need to fly more and be around more crashers
All kidding aside, the JR mainshafts have a recess to retain the shaft collar. This allows a weak point in the shat and even the hardened Vigor main shaft will bent there.

Heck, the last crash I saw was a dumb thumb on a Vigor CS's 3rd flight. Plowed it in full speed nose first. The main shaft actually BROKE at the shaft collar, sending the head flying several feet from impact. Now THAT was a crash.

Chris

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12-09-2004 03:35 AM  13 years agoPost 28
Furious Predator

rrProfessor

Kitchener, Ontario, Canada

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well i had a similar failure like i said, due to the belt being too loose, mine looks identical to the one above.....now i have metal pulleys. now instead of looseing a few critical teeth on the pulley, i'll loose a few teeth on the belt which i can live without...therefore no crash. so far ever since i tighened my belt and put the new pulleys on, i have had no problems....sofar

Shawn
Team Leisure-Tech
Team HelixRC

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HelicopterMain Discussion › Smashed my vigor (bigish images)
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