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Old 02-26-2009, 12:31 PM   #1
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Default GM Pro Stock 9,5 vs GM Sport 9,5 purple vs Graupner Sport 9,5 Blue


I need advice.

I have 3 brushless motors:




Which one of them will be the best?
Thank you in advance.
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Old 02-27-2009, 12:28 AM   #2
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all the same really, except for kv rating. Pro stock has 3800kv, sport blue has 3700kv & sport purple has 3600kv. I would go pro stock, has the highest kv rating out of the 3. hope that helps...
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Old 03-01-2009, 04:23 PM   #3
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the 3 motors are actually pretty similar.

Graupner sport blue 9,5 has a 12mm rotor where as the Gm sport purple has a 12,5mm rotor... other than that they should be identical.

Martin Hofer, Gm driver explains it on the GM brushless thread here on rctech... look for it, there is a ton of other god stuff about Gm motors speedo's etc.

the Brand new GM PRO 9,5 looks to be the BUSINESS if you want the latest in 9,5, but it,s hard to see what they have improved over the 2 others.. ut my guess is it's the same hard ware as a G PRO mod motor but only with 9,5turn can???

but martin can propably tell you more about it...
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Old 03-01-2009, 05:19 PM   #4
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if you are free to use what you like use the Purple 9.5T.

It proofed to have the least fading tendency.
The Blue one is a little smoother but Stock racing is not about smoothness really *g*

the new prostock one is between blue and purple.

I'd say

1. Purple
2. pro
3. blue
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