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Park Zone P-51 Help

Old 01-02-2009, 09:23 PM
  #1  
a4gturn
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Default Park Zone P-51 Help

I'm a newbie to this, so be gentle. The nylon gear attached to the shaft of the motor is loose. It slides up and down on the shaft and it slips when the power is applied resulting in almost no propeller.
What is the best way to afix the gear to the shaft?
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Old 01-02-2009, 09:55 PM
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PZ512608
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I have one but i havent had that problem yet. I would try some light CA hope that works for ya it a good plane
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Old 01-02-2009, 09:58 PM
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PZ512608
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Originally Posted by PZ512608 View Post
I have one but i havent had that problem yet. I would try some light CA hope that works for ya it a good plane
but if the gears chewed up might what to change it first
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Old 01-04-2009, 05:58 PM
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Gohmer
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Smile Prop Shaft

Originally Posted by a4gturn View Post
I'm a newbie to this, so be gentle. The nylon gear attached to the shaft of the motor is loose. It slides up and down on the shaft and it slips when the power is applied resulting in almost no propeller.
What is the best way to afix the gear to the shaft?
Best fix is to replace the shaft and gear assembly. http://www.horizonhobby.com/Products...ProdID=PKZ1504
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Old 01-05-2009, 12:35 AM
  #5  
ltbidrawn
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Default new gear assembly

the main gear is pressed onto a spleened hub (at the end of the drive shaft). they are tough to remove and sometimes destroy the plastic main gear in the process.

an entire new gearbox is about 6 bucks. takes about 10 minutes to remove and replace.
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Old 01-05-2009, 01:12 AM
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groundrushesup
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Originally Posted by ltbidrawn View Post
the main gear is pressed onto a spleened hub (at the end of the drive shaft). they are tough to remove and sometimes destroy the plastic main gear in the process.

an entire new gearbox is about 6 bucks. takes about 10 minutes to remove and replace.

I concur. Did you by any chance punch this plane in on its beak? I have run the gearbox with a 3550Kv inrunner and a 2700Kv inrunner for 10's of flights and never had the spur separate - I have had the front half of the fuselage separate from the wing and the tail for sure, but either yours took a mighty direct fore-aft shock, or there is a crack you just don't see.

Order yourself a gearbox and save the shell in the bag - you will need it later. Trust me on this.
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Old 01-19-2009, 02:13 AM
  #7  
a4gturn
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Thanks you guys. All great tips. I bought a new pinion and pressed it on myself. So far, so good, and as suspected by groundrushesup, I did "punch this plane on it's beak "once.
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Old 01-19-2009, 04:01 AM
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groundrushesup
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Originally Posted by a4gturn View Post
Thanks you guys. All great tips. I bought a new pinion and pressed it on myself. So far, so good, and as suspected by groundrushesup, I did "punch this plane on it's beak "once.
LOL well yeah, this plane in particular with it's 3" spinner does have quite a pronounced beak, huh?
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