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Reply to "Anybody regear a Williams 2R Challenger?"

bob2 posted:

So you have not yet tried the entire mechanism without the flywheel?  Will you put a different motor in there and drive this flywheel?  That would be an equally valid test of the flywheel.  If it is smooth, then I get to eat that crow.

Don't forget - that anemic little high speed motor probably went to triple its normal rpm when you held it in your hand.  It was screaming like a JT8D probably.

I answered this above and didn't direct the answer to you properly. It didn't run abnormally high because I only put 8 volts DC to it. I don't have another motor that fits the drive. Mine have gears on them. The engine is back together. I already snapped off the whistle by accident and am upset.

I will test it and make a video just for you, the very next time I take it apart. I'll just have to rig something up just for that test to replace the flywheel drive to u-joint assembly. Tubing would need to be multiples slid over each other. So it would fit the motor shaft on one end and a square protrusion out the other or fit over the whole 2nd u-joint at the gear tower.

You make it sound easier to do than it is.

Last edited by Engineer-Joe

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