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Old 08-19-2017, 04:37 PM
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ob nut
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Dual servos work great to steer a 7.5, use them in my current 7.5 setup - Tactic TSX57.

My 11cc, using a single RC Gear Shop DMC300 (Torque: 396oz-in (28.5kg/cm) 425oz-in (30.6kg/cm))

I have seen a fellow club member, back in the late 80's, that did what you are looking to do. The motor used was a non-piped K&B 7.5. He could bearly move the throttle past 1/4 open and it would be point sky high.

Tommy Lee's record setting 3.5 tunnel, which held the record for over 20 years, was over 6 lbs. Weight has nothing to do with it.. Setup...

Good luck in your quest..