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Coupled gear boxes on 0,6-L Jimmy

  • Three glasses
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08 Feb 2013 10:07 - 14 Feb 2013 14:07 #61443 by Three glasses
Coupled gear boxes on 0,6-L Jimmy was created by Three glasses


Over 2012 I've been building a coupled set of a standard chain transfer case and a standard gear box to get variable low-range gear ratios for 2006-turbo-Jimmy JB23W.

The 2nd transmission gear box was taken from a RH JB-43W 2002 ex-Japan.

Now the coupling looks as follows:



The front dome was cut off, rear block (with 5th/reverse gears and excessive part of output shaft) of the donor case removed, rear 10-mm steel plate with 2 seals on output shaft attached instead. 2 of 3 levers for changing gears stick through the plate.

The 1st shaft from 1st (own) trans case was shortened as possible, leaving just 2 propellers. Thus, the engine remained coupled with 1st case, 2nd case is coupled with transfer case, no disbalance yet observed.



Here is a very 1st trial, more videos will come soon from a countryside. All works were done in private Jimmy-service in St-Petersburg, Russian Federation.



Last edit: 14 Feb 2013 14:07 by Three glasses.

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  • Jimny J
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13 Feb 2013 23:12 #62482 by Jimny J
Replied by Jimny J on topic Coupled gear boxes on 0,6-L Jimmy
Thats a pretty neat idea. Can it be used as an overdrive as well as for the reduced ratio's?

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  • Three glasses
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14 Feb 2013 14:01 #62525 by Three glasses
Replied by Three glasses on topic Coupled gear boxes on 0,6-L Jimmy
For OD - IMHO not quite handy, I could not combine all 4 speeds on 1 lever (1 new lever gears 1&2 speeds, 2nd lever - 3&4), but in principle - why not? as for change ratios - that's exactly what the system was made for! :)

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