Graupner Shaft couplings - RCCanada - Canada Radio Controlled Hobby Forum
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Old 11-23-2012, 11:08 AM   #1
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I am: Geff W
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Graupner Shaft couplings

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Can anyone help me with a very basic question?

First of all, I fly aircraft and I am only finishing this boat as a retrieval boat to go get a float plane if something bad happens to it! I don't know anything about boats.

In my junk box I found a Graupner Universal coupling which will fit the electric motor and prop shaft that I have.

The "front" and "back" parts of the coupling are fastened together, but in the bag is a separate "center" part. My question is, when is it beneficial to use the center part?
Also, how do I attach the center part? Do you just pop the "front" and "back" apart with a small flat screwdriver and then slightly force the "fork" apart to get the "center" section in?

Any help would be appreciated.

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Old 11-23-2012, 05:44 PM   #2
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I am: Bee
Join Date: Sep 2009
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Re: Graupner Shaft couplings

You must have the extra long version, I think you just use the extra center part if you need that much more offset.
Your right you pry them with a flat screw driver and snap them in.
Hope that helps.
Namba District 16
Futaba FASST
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