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Re: looking for flexible shaft coupler for 1/2 inch hex
We had last year 775Pro on VP gearbox 3:1 direct drive a hex shaft with vex hex shaft coupler with no problem of vibrations. You are probably going too fast, I don't think you need 18000 rpm for a shooter.
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2016 - Curie Sub-division Winners, Regional Winners
2015 - Carson Sub-division Winners, Regional Winners
2012 - 3339 Captain and Dean's List Finalist
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