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02-15-2011, 05:09 AM | #1 |
Rock Crawler Join Date: Oct 2008 Location: Italy
Posts: 544
| novak ballistic 18.5 12,3 mm rotor vs 14mm rotor
hi, can you explain me the differences to run one or other rotor.. rpm, start up, temperatures, smoothness ecc thanks in advance to all i run goat 3s with 18.5 14mm rotor, 13t pinion.. |
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02-15-2011, 05:41 AM | #2 |
RCC Addict Join Date: Jun 2006 Location: hillsborough
Posts: 1,031
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what kind of truck are you running? I went to the 12.3 in my ballistic for the LCC. i run the hs gears, a 15T pinion, and 3s. I have great wheel speed. Very happy with the change.
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02-15-2011, 06:16 AM | #3 |
Rock Crawler Join Date: Oct 2008 Location: Italy
Posts: 544
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I have a Losi lcc with hd worms..
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02-15-2011, 06:48 AM | #4 |
Rock Crawler Join Date: Oct 2008 Location: Italy
Posts: 544
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02-15-2011, 08:22 AM | #5 |
RCC Addict Join Date: Jul 2009 Location: reelsville
Posts: 1,871
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The small rotor has smoother startup with almost double the RPM, I'm not a fan of the 14mm rotor at all.
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02-15-2011, 08:34 AM | #6 |
Rock Crawler Join Date: Oct 2008 Location: Italy
Posts: 544
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02-15-2011, 11:21 AM | #7 |
I wanna be Dave Join Date: Dec 2008 Location: Madrid, IA
Posts: 2,015
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the 14mm rotor has mor torque but less prm and a rougher startup than the 12.3mm. on my losi i ran the 12.3mm and never saw a need for more torque the 14mm provided
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02-15-2011, 11:47 PM | #8 |
Quarry Creeper Join Date: Mar 2009 Location: Fairfield, Cali
Posts: 277
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I am also using 18.5T but with 15T pinion on 3S. I have HD worm gears in the front and stock worm in the rear and the combination has good torque and wheel speed. I have the stock rotor. Try the HD worm only in the front and compare. |
02-16-2011, 01:05 AM | #9 |
RCC Addict Join Date: Dec 2009 Location: Newcastle, Australia
Posts: 1,784
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Ive got the 18.5t with the stock 14mm rotor, im running a MMP esc on 4s 45c lipo and get crazy wheel speed, heaps of torque and GREAT very low speed control on my losi with stock worms.. VERY happy with the setup but its only been great once i fitted the MMP, was only average with other esc's and crap low speed control
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02-16-2011, 11:11 AM | #10 |
RCC Addict Join Date: Jun 2006 Location: hillsborough
Posts: 1,031
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The 14mm always worked well w/ the stock gears, when i went HD's i wanted more WS so i went with the 12.3mm much nicer WS. Axel...be careful runnin a stock and a HD worm it can cause serious binding and premature failure IMO. |
02-16-2011, 11:48 AM | #11 | |
Rock Crawler Join Date: Oct 2008 Location: Italy
Posts: 544
| Quote:
..but HD are longer then stock ones...so with HD you have already more WP, right..? | |
02-16-2011, 01:11 PM | #12 |
RCC Addict Join Date: Jun 2006 Location: hillsborough
Posts: 1,031
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angelo, if your asking if the gear ratio is higher on the HD gears than yes, you gain more WS. I wanted more than just the gears provide so i went with the 12.3 rotor.
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02-16-2011, 01:28 PM | #13 | |
Rock Crawler Join Date: Oct 2008 Location: Italy
Posts: 544
| Quote:
but about the temperatures and the torque? the torque that i need when i approche an obstacle, when i have to dig and then to go 4wd, is it the same or i lose a certain amount? | |
02-16-2011, 02:40 PM | #14 |
Rock Crawler Join Date: Oct 2008 Location: Italy
Posts: 544
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with 12.3 rotor my ballistic 18.5 on 3s is 2700 rpm/v?
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02-17-2011, 09:26 AM | #15 |
Rock Crawler Join Date: Oct 2008 Location: Italy
Posts: 544
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02-17-2011, 09:29 AM | #16 |
RCC Addict Join Date: Jun 2006 Location: hillsborough
Posts: 1,031
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I noticed no real torque loss, its a little smoother down low and alot faster up top. All i can say is get one and try both thats what i did and settled on the 12.3
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02-17-2011, 09:43 AM | #17 |
Rock Crawler Join Date: Oct 2008 Location: Italy
Posts: 544
| i received today 12.3 rotor, now i have to try it on the rocks but in Italy keeps to raining!!! |
02-18-2011, 08:55 AM | #18 |
Rock Crawler Join Date: Oct 2008 Location: Italy
Posts: 544
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i read on novak store there is also 13mm rotor that fit ballistic motors, has anyone tried it?
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