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1960s NOS Schwinn King Size Heavy Duti w/ NOS Whizzer Kit.

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Price
3000
Payment Terms
Cash. PayPal friends and family or contact me to discuss
Location
Columbia, MO
Zipcode
65203
John,
Spokes break at the head because that is where the force is transmitted to the hub. That said, if the engine is that low on horsepower, it is apparently just fine. The V belt is going to allow some slip and/or stretch, as well.

Ted
 
That nut could be hanging by 1/2 a thread !
Would be a heck of a wreck.

The standard bendix axle extends about 3/4"-1" past the frame.
From my machinist days and my old machinists hand book it states for proper clamping the width of the nut should be equal to the diameter of the stud/bolt. So if you have a 3/8 axle the nut should be 3/8 wide, anything more is unnecessary.
When the ad was first posted I could see there was no inboard nut so I thought thats an interesting piece of hardware.
I've never seen a wizzer but I think you'll find it looks like this with the shaded part manufactured or machined round.
Maybe not aesthetically pleasing but plenty of thread in the nut.

20240622_204434.jpg
 
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