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HelicopterHIROBOOther › Freya Taper Collar disintegrated
12-12-2004 04:42 PM  13 years agoPost 1
dlmob

rrApprentice

Andover, MA.

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All of a sudden my engine quit and it felt like it was siezed up. When I dropped it out and pulled the fan off I found that the brass tapered collar was disintegrated. What would of caused this and what can I do to prevent it from happening again?Are you suppose to run the woodruff key with the OS 70?

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12-12-2004 05:06 PM  13 years agoPost 2
Blue Angel

rrApprentice

Redford, Mi - USA

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Hello dlmob: Did you have the tapered collar installed properly? The collar slot should be positioned 180 degrees away from the Key slot in the crankshaft. This is noted/highlighted in the instruction manual. Hope this helps. Thanks!
Blue Angel

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12-12-2004 06:36 PM  13 years agoPost 3
I3DM

rrProfessor

Israel

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i would check the same too, sounds like the fan was slipping on the collet and rubbed it to death....

www.liorzahavi.com

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12-12-2004 10:27 PM  13 years agoPost 4
dlmob

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Andover, MA.

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That probably was the problem; but what difference would that make if it was 180 degrees from the slot where the woddruff key would go. could someone explain it to me because I really don't know the reason. Am I suppose to use the key too?

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12-12-2004 10:29 PM  13 years agoPost 5
I3DM

rrProfessor

Israel

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dont use the key.
if you put the collet's slot where the slot in the crankshaft is, it might let the collet "squeeze" itself a little too much and induce slipage of the fan on the collet.

hope its all understood now...

www.liorzahavi.com

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12-12-2004 10:37 PM  13 years agoPost 6
dlmob

rrApprentice

Andover, MA.

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Thanks for the response! Good thing it's a cheap part.

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HelicopterHIROBOOther › Freya Taper Collar disintegrated
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