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CanoMod . Futaba-RC . A Main Hobbies

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Engines Plugs Mufflers Fuel > Graphic Photos or "What hapens when wrist pin retainer goes thru the engine 101"
 
 
autorotate
Heliman
Location: Northern California

Short story...Breaking in a new Piston,Ring and Liner. Fourth rich tank,...about 60 feet up... Motor goes south. Auto down and pull the muffler....Ouch! Huge score marks.

Pulled the engine this evening...and this it what it looked like:



and....



Trashed the con rod and scored the crank case!

Totaly my fault.

I love this sport!

Cheers Bert Garrison
08-19-2002 Over year old.
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Vitya
Veteran
Location: North York, Ontario

How exactly is it your fault?
08-19-2002 Over year old.
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fitenfyr
rrProfessor
Location: Port Orchard, Washington

Mighty fine job!!!


You win mine wasn't that bad! I only broke the piston top off above the ring on about 10 deg of it.

Yeah how was it your fault? Did you use an E-Clip

Jason Stiffey
Fly Fast....Live Slow...
08-19-2002 Over year old.
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autorotate
Heliman
Location: Northern California

Fault....

Well...i did not replace the clips...used the old ones.

And.... I don't think i got one of them locked into the tiny groove around the wrist pin race.

So I am guessing it is my fault...I rebuilt the engine.

Cheers Bert Garrison
08-19-2002 Over year old.
HOMEPAGE  
 
 
fitenfyr
rrProfessor
Location: Port Orchard, Washington

Yep your fault!

ROOKIE!!!!
Just kidding Bert.
Sounds like time to upgrade to an 80. Doesn't it????

Jason Stiffey
Fly Fast....Live Slow...
08-19-2002 Over year old.
HOMEPAGE  
 
 
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Engines Plugs Mufflers Fuel > Graphic Photos or "What hapens when wrist pin retainer goes thru the engine 101"
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