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lincpimp
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01.27.2009, 01:01 AM

As far as that motor on 3s you may want to keep the 2 speed and mech brakes as they will help take some load off the motor.

Now if you want to go with motor brakes you have to lock the tranny in 2nd gear (or 1st). There is a sticky in the revo section by BrianG about how to do this.

As far as loosing the clutch, buy the rcm revo mount. It places the motor closer to the spur so that you can use std pinions. You may also want to run jato spurs, as they are 32p and you can get 32p pinions from traxxas or rrp with 1/8 bore to match the 1/8 shaft on the vxl motor. I would say that 18/54 gearing would be a good place to start, mid 30s with stock sized tires.

You really want to keep this truck as light as possible with that power system. Heavy wheels and tall gearing will produce alot of heat in the motor, esc and batts.
   
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E-vil Maxx
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01.27.2009, 01:08 AM

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Originally Posted by lincpimp View Post
As far as that motor on 3s you may want to keep the 2 speed and mech brakes as they will help take some load off the motor.

Now if you want to go with motor brakes you have to lock the tranny in 2nd gear (or 1st). There is a sticky in the revo section by BrianG about how to do this.

As far as loosing the clutch, buy the rcm revo mount. It places the motor closer to the spur so that you can use std pinions. You may also want to run jato spurs, as they are 32p and you can get 32p pinions from traxxas or rrp with 1/8 bore to match the 1/8 shaft on the vxl motor. I would say that 18/54 gearing would be a good place to start, mid 30s with stock sized tires.

You really want to keep this truck as light as possible with that power system. Heavy wheels and tall gearing will produce alot of heat in the motor, esc and batts.
Cool thanks for the info, do you think a long shank pinion would work it dosent seem to far off?
   
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01.27.2009, 01:14 AM

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Cool thanks for the info, do you think a long shank pinion would work it dosent seem to far off?
What motor mount are you planning to run? The tekno mount? It will require long shank pinions, but most of those are 5mm bore, so you will need a bore reducer from 5mm to 1/8" to fit the vxl shaft.

If you keep it light you can still lock the tranny in 2nd gear and use motor brakes, just set the vxl for forward only (it has that option IIRC) if you do not want reverse.

And my gearing recomendations were for a revo, not a slayer, sorry about that. The slayer has light small wheels/tires so the vxl setup may work. As long as you do not gear it too high and keep an eye on motor temps it should be fine. The cf chassis will help lower the weight.
   
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E-vil Maxx
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01.27.2009, 01:18 AM

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What motor mount are you planning to run? The tekno mount? It will require long shank pinions, but most of those are 5mm bore, so you will need a bore reducer from 5mm to 1/8" to fit the vxl shaft.

If you keep it light you can still lock the tranny in 2nd gear and use motor brakes, just set the vxl for forward only (it has that option IIRC) if you do not want reverse.

And my gearing recomendations were for a revo, not a slayer, sorry about that. The slayer has light small wheels/tires so the vxl setup may work. As long as you do not gear it too high and keep an eye on motor temps it should be fine. The cf chassis will help lower the weight.
Ya I have the tekno kit already, I also have the bore reducer already, I was looking at the novak long shanks.
   
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01.27.2009, 01:25 AM

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Ya I have the tekno kit already, I also have the bore reducer already, I was looking at the novak long shanks.
Looks like you are on the right track. You can also use some spacers, maybe 5-6mm thick, to space the front of the motor mount plate towards the spur. That way you can run std length pinions and not place so much load on the motor's front bearing.
   
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E-vil Maxx
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01.27.2009, 01:29 AM

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Looks like you are on the right track. You can also use some spacers, maybe 5-6mm thick, to space the front of the motor mount plate towards the spur. That way you can run std length pinions and not place so much load on the motor's front bearing.
Ya I did see that mod somewhere im hoping I can avoid that. Guess I will find out soon, thanks for all the help.
   
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01.27.2009, 01:31 AM

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Ya I did see that mod somewhere im hoping I can avoid that. Guess I will find out soon, thanks for all the help.
No prob, post some pics when you get somewhere with it.
   
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