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Hirobo Nitro Helicopters Hirobo Freya Evo Eagle Helicopters Discussion |
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04-05-2004, 12:37 AM | #1 (permalink) |
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Join Date: Apr 2004
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freya ex hub runout problem
i have a freya with ys80 using a ex blue hub on a plastic fan, i am using a woodruff key, when the fan is seated down, the runout is at .002, but when i slowly tighten down little at a time, the runout gets worse up .006, which is unacceptable, since the inner hub is slotted to fit the key, changing the hub position is not able to done. i have rotated the flanged washer prior to the nut in different position, the best came out to .005, any ideas what i can do to improve the runout, or just buy a new hub, the crankshaft runout is almost perfect. thanks. any advice would be appreciated. tony..
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04-10-2004, 04:19 PM | #2 (permalink) |
Join Date: Apr 2004
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What I have been doing is placing a small sliver of tin foil underneath the hub. I wish someone would create a dual split collar retro. for this machine.
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04-11-2004, 04:34 PM | #3 (permalink) |
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Join Date: Apr 2004
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I would email Jeff Green on this one. I've had that same issue when helping a friend with his Freya, and you're left pretty helpless on how to improve matters. I'm sure Jeff will be helpful, and I would be interested to hear what he has to say. Hirobo isn't the only mfg that is either using or considering the use of a keyed hub.
Ben Minor BTW, do check the runout of the crankshaft. YS's are generally VERY good. My last measured at less than 0.00025", almost undetectable. Ben Minor |
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