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Old 08-10-2006, 05:46 AM   #12346
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The Numan setup demands for a spool in the front ! All the drive out of the corner you'll ever want. The car is pretty dialed with that setup. I made some alternations to it to decrease the turn-in push on low grip tracks.

Well, after the succes I had with this car in the club and regional races the past few weeks, I'm off to the nationals.
Confidence is pretty high thanks to my switch from the TC4 to the JRX and the stunning results I had since.

Wish me luck guys.
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Old 08-10-2006, 08:48 AM   #12347
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Glad your having success with your JRX-S.............. Car just simply rocks!
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Old 08-10-2006, 04:45 PM   #12348
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Quote:
Originally Posted by tc4
Hi everyone just wondering does anyone have any ideas on how i can get my car dialed. I am using the Numan set-up but on a low grip track. I want my car to turn in a bit harder cause it seems to push a little and i want more drive out of the corners. Would it be worth buying a front one-way or running a spool instead of a ball diff?

Any ideas or suggestions would be greatly appreciated?

The spool is a must!!! Once you drive it with a spool you won't go back to a diff. It makes the car come off the corners like a bullet.

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Old 08-10-2006, 10:47 PM   #12349
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Quote:
Originally Posted by POOKYT
The spool is a must!!! Once you drive it with a spool you won't go back to a diff. It makes the car come off the corners like a bullet.

Brant
I hear you on that with the spool. My only concern is it still going to react the same way with rubber on carpet such as IIC? I ran diffs last year for I did not have much time on a spool and did not feel comfortable with it. Goin for it this year!!
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Old 08-11-2006, 01:03 AM   #12350
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Thanks for that i'll switch to the spool.
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Old 08-11-2006, 07:45 AM   #12351
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Quote:
Originally Posted by POOKYT
The spool is a must!!! Once you drive it with a spool you won't go back to a diff. It makes the car come off the corners like a bullet.

Brant
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Old 08-11-2006, 11:32 AM   #12352
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I switched to a spool over a year go and have not looked back. The thing that I found was that I had to change my driving 'style' and drive more agressively - you will be quicker as you do not 'diff-out'. I run the Numan setup and the JRXS was awesome from the outset with that setup - don't be afraid to throw it into the corners and power out the other side.
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Old 08-11-2006, 05:05 PM   #12353
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Quote:
Originally Posted by scoyle
I switched to a spool over a year go and have not looked back. The thing that I found was that I had to change my driving 'style' and drive more agressively - you will be quicker as you do not 'diff-out'. I run the Numan setup and the JRXS was awesome from the outset with that setup - don't be afraid to throw it into the corners and power out the other side.

Drive it like you Stole it Baby!!!!!!!

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Old 08-12-2006, 02:39 AM   #12354
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How tight would i run the spool at the front and the diff at the back?
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Old 08-12-2006, 03:35 AM   #12355
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Quote:
Originally Posted by tc4
How tight would i run the spool at the front and the diff at the back?
The front spool should be completely solid - it should not move. On the rear, when running on tarmac, I have my diff pretty tight (hard to describe but you do need a fair amount of force to turn the left wheel while holding the right wheel and spur gear - it does slip a bit though).

I am also experimenting with Losi brown grease in the rear diff to make it a bit slower.
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Old 08-12-2006, 04:08 AM   #12356
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Default question on battery

I'm watching JRXS thread for quite a while, as well as rear motor chassis. But, is the current front motor JRXS and future rear motor JRXS able to use batt pack similar to what showed in photo?
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Old 08-12-2006, 06:47 AM   #12357
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Your pack may be ok but if you are usin the Corally plugs you may want to set your packs up like the one in my pic. If that pic does not help you let me know and I will get you another one that shows how the connectors sit low between the cells. I just thing it will be too hard the way it is set up in your pic to attach the wires since you will be close the the belt and top deck.
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Old 08-12-2006, 08:52 AM   #12358
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Wo thanks lots Yeti. I think now I'm more ready for rear motor JRXS...
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Old 08-12-2006, 09:20 AM   #12359
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Putting a JRX-S together that I got in a trade. How do I tell the difference from the over drive pulley and regular if they have been died? Thanks.
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Old 08-12-2006, 09:35 AM   #12360
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Quote:
Originally Posted by Formula1fan
Putting a JRX-S together that I got in a trade. How do I tell the difference from the over drive pulley and regular if they have been died? Thanks.

The standard pulley has 42 teeth. The over drive pulley which we use normally in the spool is 41 teeth. Other than just the slight smaller diameter, the 41 tooth pulley has black slash marks on one side of it. When I died mine the black mark did not go away so you may be in luck. Other wise start counting teeth!

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