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Old 05-20-2015, 12:24 AM   #76
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I am running my schuur speed 17.5 and 13.5 in my Tamiya 419. It has run very cool at 120 degrees after a 6 minute race at the Tamiya USA facility. I have great bottom end rip and plenty of top end.

I gear the 17.5 at 3.5 and the 13.5 at 4.3 Fdr. I do run a fan on the motor. I run the hobbywing v3.1 speed control. I run 40-45 degrees of timing on the motors.
Thanks for sharing your insight.
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Old 12-17-2015, 08:29 PM   #77
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Old 06-06-2016, 05:07 AM   #78
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I just ordered a Schuur Speed 21.5 v3 for USGT. I hope I have made a good decision? Any input is appreciated.
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Old 06-06-2016, 03:46 PM   #79
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I just ordered a Schuur Speed 21.5 v3 for USGT. I hope I have made a good decision? Any input is appreciated.
We have received great feedback.

Any questions please contact us at support@schuurspeed.com
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Old 01-28-2017, 05:53 AM   #80
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Default 17.5 V3 in a B44.3

Anyone got experience running a B44.3 with 17.5 V3??

I'm running 72/31 gearing and about 38 deg end bell timing. Temp is getting to 165-170 after 5 min. Too hot for my liking.

On the same track with a B5m I run 72/34 with 45 deg end bell and only hit around 140.

Thinking I have to either reduce end bell timing or gearing before I damage the motor.
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Old 01-28-2017, 05:50 PM   #81
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Lots of possible variations between two cars to get the gearing figured out. Get the motors checked on a motor checker first, and then weigh your vehicles + drivetrain rotational mass before you start gearing/temp checking, laptime lowering, etc...
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Old 01-28-2017, 06:05 PM   #82
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Anyone got experience running a B44.3 with 17.5 V3??

I'm running 72/31 gearing and about 38 deg end bell timing. Temp is getting to 165-170 after 5 min. Too hot for my liking.

On the same track with a B5m I run 72/34 with 45 deg end bell and only hit around 140.

Thinking I have to either reduce end bell timing or gearing before I damage the motor.
In my unprofessional opinion, 165 to 170 degrees is fine, and allows for unsuspected problems such as ambient temperature changes.
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