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HelicopterMain Discussion › Ultimate solution for failing bearing Raptor 50 available now
01-24-2007 01:07 AM  10 years agoPost 21
JuanRodriguez

rrProfessor

The Villages, Florida

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No, we're talking about not having to split the frames for removing the clutch bell....

To install that upgrade, I believe you have to split the frames....

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01-24-2007 02:16 AM  10 years agoPost 22
2LTime

rrKey Veteran

Walworth,NY

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Special tool is made from a bad main gear:
cut out a section of 10-15 good teeth and grind the innerpart away so you basically have a crescent moon shaped section of teeth. Put it on the main gear close to the pinion and when you unscrew the bell it wedges and locks the pinion from turning. Maybe Ope has a pic.

It also works great for freeing stuck one-ways.

It doesn't help installing the pinion support. That almost needs the frames being split. I did it without splitting them but it involved a lot of prying with heavy metal bars.

Jeff

If you can't learn to do it well, learn to enjoy doing it badly.

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01-24-2007 02:47 AM  10 years agoPost 23
AirWolfRC

rrProfessor

42½ N, 83½ W

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This problem can only exist due to frame flexing in the first place allowing the motor to tilt sideways.

This "fix" can also help prevent this problem,
http://runryder.com/helicopter/t295641p1/
and this problem,
http://runryder.com/helicopter/t293938p1

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01-24-2007 08:16 AM  10 years agoPost 24
w.pasman

rrElite Veteran

Netherlands

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Yes I also thought that the flame must be flexing.
Now my impression is that all flexing forces will end up on the start shaft if you do this mod?

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01-24-2007 02:47 PM  10 years agoPost 25
AirWolfRC

rrProfessor

42½ N, 83½ W

My Posts: All  Forum  Topic

Certainly, some of the forces will end up on the start shaft with this mod, releiving some of the eccentric forces off the clutch bell but the start shaft should be able to handle it.

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01-24-2007 02:53 PM  10 years agoPost 26
Yug

rrMaster

UK. Herts

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I've always thought it would be a good idea to implement some kind of brace between the engine mounts and start shaft bearing block. My XeroG is very stiff with regard to this and I've never ever had any problems with the pinion or bearing unlike my R50.

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HelicopterMain Discussion › Ultimate solution for failing bearing Raptor 50 available now
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