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HelicopterThunder TigerOther › Raptor 90 Main Shaft Coller eaten into upper​bearing block!! help?
10-24-2004 05:28 PM  13 years agoPost 1
cjcraigj

rrApprentice

Worcestershire,​England , UK

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Hi
After a small repair the other week i went out to fly my raptor 90 for the 1st time. I had a short flight (4 mins or so) to set-up blade tracking.

After re-fuleing i noticed there was play in the main shaft up and down, after some inspection it apears the collor that sits on the main shaft to stop the whole assembly from moveing up had cut into the upper bearing block it sits under!

any ideas why this has happend? I have never had this problem before! Was there something i had forgotton to do?

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10-24-2004 05:40 PM  13 years agoPost 2
steve9534

rrKey Veteran

yakima, wa.

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Bearing block

The bearing block is upside down. The collar is symmetrical and doesn't matter which way you put it on. The bearing block has a thicker flange on one side than the other. The thicker side should face up. steve.

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10-24-2004 05:46 PM  13 years agoPost 3
cjcraigj

rrApprentice

Worcestershire,​England , UK

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OPPS!!!, Thanks Guys!
Know i feel silly!

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10-28-2004 11:57 PM  13 years agoPost 4
Ringding

rrApprentice

Austria

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The same happened to me with a R60 on the lower bearing. The red gear looks very funny now (molten up all the way to the jesus bolt)

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10-29-2004 03:15 AM  13 years agoPost 5
Jeff Swartz

rrKey Veteran

Ohio

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Dont feel bad... I did that too! thought I was out for the day... was nice to be able to flip it over, and scrape off all the melted plastic, and be back in the air in 10 minutes.

1 machine now has a really cool bevel on the red gear

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