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Novak Vulcan Spec 17.5 Motor Gearing

Novak Vulcan Spec 17.5 Motor Gearing

Old 11-10-2013, 07:26 PM
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Default Novak Vulcan Spec 17.5 Motor Gearing

Anyone knows what is a good gearing for TC 17.5?
Flowing track with a 130-180 feet straight.
Thx.
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Old 11-10-2013, 07:30 PM
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Belt car : 3.5FDR
Tc4 shaft drive: 3.1FDR....
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Old 11-11-2013, 08:04 PM
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Originally Posted by bertrandsv87
Belt car : 3.5FDR
Tc4 shaft drive: 3.1FDR....
Wow that high...3.5 FDR. Even with 12.3mm rotor?
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Old 11-11-2013, 08:15 PM
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Originally Posted by DJGonzo69
Wow that high...3.5 FDR. Even with 12.3mm rotor?
Not really. At first I thought the same thing. But he states this is going to be on 130-180 foot straight away. That is at least 40 feet longer that I normally run on. I gear my ballistic high rpm/Vulcan at about 3.88 at just below 40 degrees of timing. Just watch the temps.

Snowy.
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Old 11-11-2013, 10:00 PM
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Originally Posted by DJGonzo69
Wow that high...3.5 FDR. Even with 12.3mm rotor?
Vulcan Spec 17.5 comes with a 12.5 rotor
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Old 11-12-2013, 08:35 PM
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Originally Posted by odpurple
Vulcan Spec 17.5 comes with a 12.5 rotor
OD...Im getting a 12.3mm rotor also.
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