30tpi, SB 9A
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Thread: 30tpi, SB 9A

  1. #1
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    Default 30tpi, SB 9A

    Hi folks,
    Am I thinking correctly if I switch out the 56 tooth screw gear with a 42 tooth gear and set the qcgb at 40 ... will I end up with 30 tpi ? Or is there a better way?
    Thanks

  2. #2
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    Default

    Confirmed that it worked perfectly on my Heavy 10 swapping the 56 tooth on the gearbox input for a 42 tooth.

    Hope this helps.

    Ben

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  4. #3
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    Or.....42/56 = .75 and 40 times .75 = 30

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  6. #4
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    Thanks to both of you for the confirmation. Much appreciated.


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