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Old 10-08-2008, 09:31 PM   #8236
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what spur would you suggest to get it that low? I am running a 118 and I dont think i can get a 3.6 with it no matter the pinion, it wont fit!

Here

http://www.precisionracingsystems.com/products/18

I use one with a 104 spur and somewhere between a 52 and 48 pinion to reach a FDR of 3.66-4.0 (17.5 motor, rubber tire)
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Old 10-08-2008, 09:39 PM   #8237
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Yes it is 1.786 with 41's.
That might explain the toasty novak....
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Old 10-08-2008, 09:40 PM   #8238
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FDR takes into account tire circumfrance.
Diameter, not circumference. Damn, what do they teach in schools these days
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Old 10-08-2008, 10:30 PM   #8239
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Diameter, not circumference. Damn, what do they teach in schools these days
Actually that is completely wrong. I meant roll out. And yes I did spell circumference wrong... Google Chrome's spell check isn't as powerful as FireFox.
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Old 10-08-2008, 11:05 PM   #8240
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Actually that is completely wrong. I meant roll out. And yes I did spell circumference wrong... Google Chrome's spell check isn't as powerful as FireFox.
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Old 10-09-2008, 01:07 PM   #8241
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would 1.78 internal ratio be better with brushless?
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Old 10-09-2008, 01:12 PM   #8242
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would 1.78 internal ratio be better with brushless?
I did when you couldn't get a PRS adapter.
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Old 10-09-2008, 02:45 PM   #8243
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i'm going to try scherfflers set up this weekend.
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Old 10-09-2008, 03:45 PM   #8244
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Originally Posted by Cory B View Post
Here

http://www.precisionracingsystems.com/products/18

I use one with a 104 spur and somewhere between a 52 and 48 pinion to reach a FDR of 3.66-4.0 (17.5 motor, rubber tire)

Just curious? How does this adapter facilitate the smaller spur gears? ie Why wouldn't a 108 or 104 fit the car as is? PM would be preferred to save time but I'm flexible.
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Old 10-09-2008, 04:31 PM   #8245
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Originally Posted by todd8603 View Post
Just curious? How does this adapter facilitate the smaller spur gears? ie Why wouldn't a 108 or 104 fit the car as is? PM would be preferred to save time but I'm flexible.
The smallest spur Losi makes is 118 and the adapter allows you to use after market smaller spurs then what Losi makes. The after market spurs have a bigger hole in the center and will not attach like the Losi spurs do.
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Old 10-09-2008, 04:36 PM   #8246
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With the PRS adapter I actually went down to a 108 and using a pinion in the 40's for my brushless set up. Works real good.
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Old 10-09-2008, 04:44 PM   #8247
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What should I be running for gearing with a 10.5 and rubber tires?
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Old 10-09-2008, 05:05 PM   #8248
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What should I be running for gearing with a 10.5 and rubber tires?

Start the fdr at 5 and work from there.
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Old 10-09-2008, 09:26 PM   #8249
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With a 17.5 my fdr is about 4.5 which is perfect for my track, so 5 is about right....
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Old 10-10-2008, 01:07 PM   #8250
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Anyone wanna see why losi is ahead of their time. XRay just basically copied the lcds exactly, 4 years after there were patented. The only difference is the set screws instead of the shrink wrap. And personally I like the shrink wrap better. I have never had shrink wrap come loose and back out like a setscrew. Im just waiting for the 009 type r next. First it was the Eight now the LCDs. Losi must be doing something right.

http://www.teamxray.com/teamxray/new...863c1d9fb4aaba
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