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Old 05-05-2007, 12:20 PM   #241
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Quote:
Originally Posted by mazmo
I am considering converting to brushless.

Can the sintered rotor in the new pro 13.5 be replaced with the bonded rotor ?

Some events here don't allow sintered rotor, was thinking of alternating between the two as required.

Thanks
Yes, they are easily interchangable, although there's no real reason to use the bonded rotor, unless your local track requires it(as mine does, so I can practice with the sintered but have to use the bonded one in club racing, & they do check the cars).....
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Old 05-05-2007, 05:33 PM   #242
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Quote:
Originally Posted by Grizzbob
Yes, they are easily interchangable, although there's no real reason to use the bonded rotor, unless your local track requires it(as mine does, so I can practice with the sintered but have to use the bonded one in club racing, & they do check the cars).....
Thanks.... I think I'll be buying new BL Pro Stock 13.5 & bonded rotor
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Old 05-05-2007, 07:02 PM   #243
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If you need to use a 13.5T motor with the bonded rotor, you could order one of the EX 13.5T motors to be released later this month.

This motor comes with the original bonded rotor, and costs less than the SS Pro version.

Quote:
Originally Posted by mazmo
Thanks.... I think I'll be buying new BL Pro Stock 13.5 & bonded rotor
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Old 05-05-2007, 07:05 PM   #244
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Quote:
Originally Posted by NovakTwo
If you need to use a 13.5T motor with the bonded rotor, you could order one of the EX 13.5T motors to be released later this month.

This motor comes with the original bonded rotor, and costs less than the SS Pro version.
Thanks for the heads up ... I'll consider that option
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Old 05-06-2007, 04:31 AM   #245
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Quote:
Originally Posted by Marcos.J
4.0 fdr
is this FDR too excessive? is this a large open track?
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Old 05-06-2007, 09:27 AM   #246
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Quote:
Originally Posted by BrainTeased
is this FDR too excessive? is this a large open track?
I would say that the range is 4.50 (large open) to 5.00 (small tight). Most of the time, I am at 4.76 FDR.
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Old 05-06-2007, 09:30 AM   #247
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Quote:
Originally Posted by Still Bill
I would say that the range is 4.50 (large open) to 5.00 (small tight). Most of the time, I am at 4.76 FDR.
Gear it any way you want to Bill ...you're gettin a whompin this Saturday no matter what your FDR is
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Old 05-06-2007, 11:54 AM   #248
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Quote:
Originally Posted by HarshGuy
Gear it any way you want to Bill ...you're gettin a whompin this Saturday no matter what your FDR is
Pretty hard for you to whomp on me. I'll be in Barcelona.

That being all of 40 must be catching up to you...
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Old 05-06-2007, 01:58 PM   #249
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Quote:
Originally Posted by Still Bill
Pretty hard for you to whomp on me. I'll be in Barcelona.

That being all of 40 must be catching up to you...
Dang ..I scared you into another continent ...impressive
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Old 05-06-2007, 09:10 PM   #250
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Originally Posted by HarshGuy
Dang ..I scared you into another continent ...impressive
Hopefully, more onto than into...I hate flying these days.
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Old 05-12-2007, 12:28 AM   #251
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can someone please give me an idea on gear ratio for a very small indoor track ( 40 foot straight ) with the 13.5 sintered rotor

new to brushless and I dont have a clue
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Old 05-12-2007, 12:39 AM   #252
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Quote:
Originally Posted by Boultspeed
can someone please give me an idea on gear ratio for a very small indoor track ( 40 foot straight ) with the 13.5 sintered rotor

new to brushless and I dont have a clue
I would say 36mm roll out to start.
It sounds kinda small, between 38 and 40mm is the norm.
I gear mine to wind up about three quarters of the way down the straight.
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Old 05-12-2007, 03:20 AM   #253
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Quote:
Originally Posted by Boultspeed
can someone please give me an idea on gear ratio for a very small indoor track ( 40 foot straight ) with the 13.5 sintered rotor

new to brushless and I dont have a clue

what is your brushed gearing for the track? I can then work out a b/less one.
Cheers
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Old 05-12-2007, 05:14 AM   #254
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I normally run at about 8.0 fdr using a monster
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Old 05-12-2007, 10:35 PM   #255
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Is anyone having thermal shutdown problems with the GTB/13.5 combo in hot areas like GA? Several of the racers in our group today, including myself, had our GTBs shutdown; sometimes after a minute or so and other times after 4 minutes.

Granted today was very hot and humid; track temp was 145F last I checked it. We were all geared in the 4.9 - 5.2 (FDR) range. One of the guys in our group fried his combo; another was never able to finish a run without shutting down.

Just curious if others in similar climates are having similar problems.
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