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Old 08-20-2011, 04:36 PM   #9961
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Swb bones are cvd's !!!! I have three niftech shafts( $39.95) in my tc4's (3.5t /7t brushed/4.5hv) , and there is no hint of twisting from hp or torque ever !!! I don't think there are any 540 motors at 2S with more power, and with more torque than a Novak hv4.5 at 4S !!!!!! Maybe the Niftech shafts you purchased were not up to snuff !!!! I have tested them in all conditions, and everything stayed perfect . I did get offered the swb's and the rest of the niftech catalog, but I turned them down : they add alot of weight to the car !!!
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Old 08-20-2011, 06:21 PM   #9962
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5th is good bubble. iw as gonna go to debbies today too. friday when i got home i tried my new batteries out. as i was bringit in i blew up the spur gear, 3 pieces. ant opinions on what i chould do for a gear set up. i have the stock 72t in there now. i dont mind redoing both gears just need a push in the right direction. i think i will go there tomorrow.
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Old 08-20-2011, 06:49 PM   #9963
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5th is good bubble. iw as gonna go to debbies today too. friday when i got home i tried my new batteries out. as i was bringit in i blew up the spur gear, 3 pieces. ant opinions on what i chould do for a gear set up. i have the stock 72t in there now. i dont mind redoing both gears just need a push in the right direction. i think i will go there tomorrow.
Do you have the blue Camaro? If you are planning on running boosted try a 30T pinion for non-boosted you will have to change your spur gear buy Robinson Racing spur 49, 52, or 55T you will need some pinions in the 40's.
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Old 08-20-2011, 08:05 PM   #9964
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Guys also remember the total capable tooth count of the tc4, both lower(89t) and higher(102t) tooth count !!! If you're wondering what I am referring to, please understand that you can't make any size pinion fit with any size spur in the tc4 . If the total tooth count of the pinion added to the total tooth count of spur is less than 89 or greater than 102, then the (pinion/spur) combo will not mesh well ! 89< (pinion+spur)>102 !!!!!!! So a 55t spur will only mesh with pinions ranging from 34t up to 47t !!!!! etc.
....
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Old 08-20-2011, 08:13 PM   #9965
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I had a good day racing, I qualified 5th out of 9. Car handled very well I was lacking speed on the straight not because of gearing, but ESC end RPM being too high. In the start of the main as normal you have to watch the car behind you and not the one in front. I finished 6th, I should changed my gearing after adjusting end RPM on the ESC I was way over geared.

5th aint bad for a maiden run!

You still using the RS Ron?
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Old 08-20-2011, 08:17 PM   #9966
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The best Robinson spur gear for 17.5 blinky would be the 55t spur !!! Gearing from 2.92fdr to 4.04fdr .......
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Old 08-20-2011, 08:27 PM   #9967
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yes, RS pro. I'm still not a big fan of brushless motors / ESC.
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Old 08-20-2011, 08:44 PM   #9968
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Quote:
Originally Posted by bertrandsv87 View Post
Guys also remember the total capable tooth count of the tc4, both lower(89t) and higher(102t) tooth count !!! If you're wondering what I am referring to, please understand that you can't make any size pinion fit with any size spur in the tc4 . If the total tooth count of the pinion added to the total tooth count of spur is less than 89 or greater than 102, then the (pinion/spur) combo will not mesh well ! 89< (pinion+spur)>102 !!!!!!! So a 55t spur will only mesh with pinions ranging from 34t up to 47t !!!!! etc.
....
I never looked at it that way, but shouldn't the numbers be 87-107? 69/18 and 75/32 those are the numbers from the gear chart.
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Old 08-20-2011, 09:47 PM   #9969
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The numbers I gave you were from personal testing of all my tc4's ! I did take into consideration that the gear mesh should be as free as possible , with clearly visible space between the gears . Maybe the Ae guys thought differently .The gear chart is probably more for the ft tc4 than the tub version ! My conclusion are a roundabout way of choosing pinion and spur combos that will surely fit nicely ...
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Old 08-20-2011, 10:38 PM   #9970
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Do you have the blue Camaro? If you are planning on running boosted try a 30T pinion for non-boosted you will have to change your spur gear buy Robinson Racing spur 49, 52, or 55T you will need some pinions in the 40's.
no. i have been lurking around debbies the mast 3 weeks on saturdays. pondering weather or not i should get in to eletric rc cars. does debbies have a good selection of gears. i am gonna go there tomorrow, since my spur blew up.
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Old 08-21-2011, 06:32 AM   #9971
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If you want to continue to use 48 pitch gears they have nothing smaller then 72T spur. I'm going to put my 72T back on my car for the next race.

Last edited by Bubblehead; 08-21-2011 at 07:15 AM.
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Old 08-21-2011, 07:01 AM   #9972
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If want to continue to use 48 pitch gears they have nothing smaller then 72T spur. I'm going to put my 72T back on my car for the next race.
Bubblehead, I have a 69 tooth gear for the TC4 that I'll bring to the track next onroad race for you to try. My boy's car had it for a long time before I switched to 64 pitch.
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Old 08-21-2011, 06:05 PM   #9973
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Bubblehead ,what other cars are you guys running against ? What was your fastest lap? What was the tq car's fastest lap? .....
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Old 08-21-2011, 06:41 PM   #9974
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Bubblehead ,what other cars are you guys running against ? What was your fastest lap? What was the tq car's fastest lap? .....
This weekend there were 7 X-Ray's, 1 TC6, and my TC4 normally there are a few Photon's

TQ 24 6:03.456 X-Ray

5th 23 6:10.660 TC4 (I have some work to do mainly ESC)
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Old 08-21-2011, 07:29 PM   #9975
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If you cant find the 69 tooth Robinson gear in the Robinson bags at Deb's, check the AE parts boxes. AE sold them as optional for a while... Deb's might have some in stock. Ill see if i can scrounge up a part number. I had a computer crash so im limited on some of that older info...
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