ARCHIVE Wits' End Nut Huggers

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It doesn't matter which direction the fine or course thread goes because the linear distance still works in our favor.
 
"Nut Huggers"...good name. Sounds like a Deluth Trading Co underwear commercial.
 
Ok so for those that don’t understand how it’s possible this could work, a video is probably worth a thousand words. Note that the stud can move out as far as absolutely possible but the shoulder prevents any linear movement because the nut DOES NOT MOVE. 😘

The nut stays down against the washer because of the thread pitch difference.

 
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Something to reference. Stud depth in knuckle and old VS new stud.

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I like it.

For someone that doesn’t want to check their nuts befor wheeling it’s good insurance.

I don’t wheel nearly enough or as much as others but every morning when I check my nuts before wheeling I inevitably check a few other things down there. Not long ago I found a missing swaybar disconnect pin.

There’s a benefit to checking your nuts but having one of these wouldn’t keep me from checking them. But it’s good insurance.

Check your nuts!
 
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It doesn't matter which direction the fine or course thread goes because the linear distance still works in our favor.
Each turn of the stud moves the whole stud and nut 1.5mm. at the same time, the nut is threading deeper into the stud by 1.25mm. so each rotation means the nut translates .25mm even without rotating.

I mean, it looks like the tang is tall enough but it still is moving the nut.
 
How much is the nut moving in the video with the part in place? .05”?

how much would that nut move without my piece in place?
 
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In practical terms .25mm is 0.009" 5 full turns and the nut has moved 45 thousands of an inch and the stud is retained. Is it completely fool proof? Is anything? Is it better than not having it and loosing the stud? I would think so. I guess you could just tack weld the nuts and then cut the tack welds for servicing. :flipoff2:
 
In practical terms .25mm is 0.009" 5 full turns and the nut has moved 45 thousands of an inch and the stud is retained. Is it completely fool proof? Is anything? Is it better than not having it and loosing the stud? I would think so. I guess you could just tack weld the nuts and then cut the tack welds for servicing. :flipoff2:

My studs are tack welded in place. I havent had to service them yet.
 
I had some hesitation clicking on this thread . . .
 
How much is the nut moving in the video with the part in place? .05”?

how much would that nut move without my piece in place?
Totally. I think you can conclude the product will work. Nice invention.

I just wanted to make sure we all understood that the stud can still technically back out until the threads bind on the shoulder. Your mental model was backwards
 

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