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130X Blade 130X Helicopters Information and Help


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Old 05-13-2013, 09:08 AM   #1 (permalink)
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Default notchy plastic C and D gears ?

Well my lynx one way main gear and main shaft assembly was smoth as silk until I put the plastic C and D gears on. Now the auto rotation is a little notchy . Not bad but annoying. Do the plastic C and D gears wear in once they are up tp to full speed a few times. I think it is high spots on the c an d gears. Sure wish the hh metal ones would come into stock. IF you did not have an auto rotation hub I don't think you would ever realize the plastic C and D gears were notchy as you just cant feel it by rotating the main gear against motor and pinion.
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Old 05-13-2013, 09:14 AM   #2 (permalink)
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Had the same issue yesterday when I installed a new C and D. It would grab enough to abruptly stop the OWB. Replaced the D with another and it was less. Do you CA your C gear? I find this usually makes the notchiness worse...probably because the C may glue sideways a little and it now can't move if pushed on by the D. I find where the notchiness is and use my screwdriver tip to push against the C and try to bend it towards the tail case. It helps to reduce but not eliminate. After several flights, the notchiness did diminish.
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Old 05-13-2013, 09:22 AM   #3 (permalink)
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Originally Posted by jrwalte View Post
Had the same issue yesterday when I installed a new C and D. It would grab enough to abruptly stop the OWB. Replaced the D with another and it was less. Do you CA your C gear? I find this usually makes the notchiness worse...probably because the C may glue sideways a little and it now can't move if pushed on by the D. I find where the notchiness is and use my screwdriver tip to push against the C and try to bend it towards the tail case. It helps to reduce but not eliminate. After several flights, the notchiness did diminish.
Thanks, as a matter of fact I did ca my C gear on. I am just gonna run it up a few times on the bench when I am done with the build and see if it will wear in. Mine is not drastic but annoying because I am anal (OCD) about all my builds LOL!
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Old 05-13-2013, 10:21 AM   #4 (permalink)
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I bought 3 packs of new C/D gears yesterday at the LHS... every single C gear is wobbling on the TT (I even tried a new TT).

I tried spooling up on the bench and its so bad that unless I pull the boom out from the frame a little... the tail shakes violently.
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Old 05-13-2013, 05:50 PM   #5 (permalink)
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Default notchy plastic C and D gears ?

C gear can be 'slimmed' down from the rear with a file or alike to allow for a much better Mesh with D . I have to do all my C gears inc. Metal to get a nice smooth Mesh.
These little Helis don't like any Vib's and C-D gear Mesh can often be the culprit.
Try shaving half a mm of the back of your C gear before installation. Think it will solve your problem !
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Old 05-13-2013, 06:28 PM   #6 (permalink)
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well, I got my extreme complete tail on and used the lyinx red o-ring ball link dampers on the grips. Sat here and just spun the main gear by hand for about 20 minutes straight and the notciness is almost completely gone. I do not think I am gonna have an issue. Happy camper so far LOL!
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Old 05-15-2013, 02:08 AM   #7 (permalink)
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Sat here and just spun the main gear by hand for about 20 minutes straight and the notciness is almost completely gone.
If my wife caught me doing that there would be trouble big time.
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