Novak Vulcan Spec 17.5 Motor Gearing

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11-10-2013, 07:26 PM

DJGonzo69

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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.

11-10-2013, 07:30 PM

bertrandsv87

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Belt car : 3.5FDR
Tc4 shaft drive: 3.1FDR....

11-11-2013, 08:04 PM

DJGonzo69

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Quote:

Originally Posted by bertrandsv87

Belt car : 3.5FDR
Tc4 shaft drive: 3.1FDR....

Wow that high...3.5 FDR. Even with 12.3mm rotor?

11-11-2013, 08:15 PM

Essnowyt

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Quote:

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.