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 Got boared this winter with my MCD so for a winter project I designed a 2 speed tranny.

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nitroheadjones
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PostSubject: Got boared this winter with my MCD so for a winter project I designed a 2 speed tranny.   Wed Feb 24, 2010 12:20 am

[You must be registered and logged in to see this image.] It does work I need to refind a few things .
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badboy2
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PostSubject: Re: Got boared this winter with my MCD so for a winter project I designed a 2 speed tranny.   Wed Feb 24, 2010 12:38 am

does mcd comes in 2 speed option or not?nice work! what parts did u use?
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logon69
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PostSubject: Re: Got boared this winter with my MCD so for a winter project I designed a 2 speed tranny.   Wed Feb 24, 2010 1:49 am

Oh man a new gear head!
Looks like some know what they are doing!

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nitroheadjones
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PostSubject: Re: Got boared this winter with my MCD so for a winter project I designed a 2 speed tranny.   Wed Feb 24, 2010 2:30 am

No badboy2 MCD does not have a 2 speed option for sale to the public right now. This is a pawl type tranny made from spare parts I had . The plastic gears are going to be replaced with metal gears because the plastic gears melt and I am going to have to get the shafts heat treated. I also need a stronger spring for the tranny so it shift a little bit later.
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nitroheadjones
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PostSubject: Re: Got boared this winter with my MCD so for a winter project I designed a 2 speed tranny.   Fri Mar 19, 2010 11:51 pm

The RC Gremlin keeps messing with me !!! Once I solve one problem another one pops up!! I keep losing my retaining screw on the end of the shaft. Going to try some red locktite and put a snap ring on the shaft too to keep the 2nd speed hub on . The 2 speed really helps my MCD accelerate which is why I am not giving up and continue to try and work out the problems.
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logon69
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PostSubject: Re: Got boared this winter with my MCD so for a winter project I designed a 2 speed tranny.   Sat Mar 20, 2010 12:11 am

Good work brother! Keep up the good work. W
here did you find a stronger spring fto let second gear engage later?

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nitroheadjones
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PostSubject: Re: Got boared this winter with my MCD so for a winter project I designed a 2 speed tranny.   Sat Mar 20, 2010 12:09 pm

I drilled a small hole in the tip of the pawl, by lightening up the pawl it takes more rpms for it to compress the spring and engage the pin.
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nitroheadjones
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PostSubject: Re: Got boared this winter with my MCD so for a winter project I designed a 2 speed tranny.   Sat Mar 20, 2010 12:23 pm

I also think I had too much of a tooth spread between 1st and 2nd gear , I had a 9 tooth spread. 1st gear was 8-1 appox and 2nd gear was 3.9. The motor did not bog down but on one test the pawl ripped out the pin and destroyed the 2nd speed hub!! I went with a bigger stronger 2nd speed hub but now the retaining screw won't stay in soooooooooo I am going to use a snap ring and a retaining screw to keep the assembly on. The 2 speed really helps the heavy weight MCD come out of the hole with some speed and when it hits second gear ( when it does not blow up ) it is gone!!
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nitroheadjones
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PostSubject: Re: Got boared this winter with my MCD so for a winter project I designed a 2 speed tranny.   Wed Oct 03, 2012 8:41 am

UPdate after many attemps and getting tired of waiting for a manufactor to make a 2 speed tranny for a MCD I believe I have finally succeed in adapting a 2 speed to the MCD. By accident I discovered that a FG 2 speed would drop right in with some minor alterations.[You must be registered and logged in to see this image.]
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Got boared this winter with my MCD so for a winter project I designed a 2 speed tranny.
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