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10-18-2008, 02:15 AM
| #1 |
| RCC Addict Join Date: May 2006 Location: nor-cal
Posts: 1,048
|  gear reduction unit question
can I use a rc4wd 4:1 gru as a transmittion and link it to a transfer case?? will the reduction be enough for good crawling or will it be to fast??
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10-18-2008, 07:24 AM
| #2 | |
| I wanna be Dave Join Date: May 2008 Location: Baltimore
Posts: 4,442
| Quote:
I've posted the exact same question and didn't get a responce. The 4:1 would be ok in my opinion because the AX-10 transmission ( t-case?) is only a 2.6:1 ratio with the ring and pinion gear in the axle providing a bit more reduction. A smaller or larger pinion gear on the motor changes how many RPM's the motor will spin to maintain a given wheel speed, which has an effect of how much torque can be transfered to the axles. I'd personally like to use the the RC4WD gru or the new HPI WK reduction head along with a 2:1 scale transfer case. RC4Wd makes a 2:1 t-case, but it isn't scale looking. | |
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10-18-2008, 07:34 AM
| #3 |
| support@rc4wd.com   Join Date: Nov 2007 Location: Lancaster, Ohio
Posts: 1,417
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Better get a 3mm to 5mm shaft adapter as well  I have a GRU connected to a 100t motor but, thats as far as I got and noticed the shaft size :-( Cant seem to find an adapter to fit the GRU shaft to a 5mm out.
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10-18-2008, 08:18 AM
| #4 |
| RCC Addict Join Date: Sep 2007 Location: Port Orange
Posts: 1,855
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I'm using a gd600 the out shaft is the right size.
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10-18-2008, 10:12 AM
| #5 |
| RCC Addict Join Date: Sep 2007 Location: Port Orange
Posts: 1,855
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crazy crawler i sent you a pm.
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