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My 84 Engagement Hope Hub


Mr Motivator

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And there probably wouldn't be enough room.

I don't understand why the pawls have to be at funny angles with this design.

If d = 360 / 21 then...

Pawl 1 can go at 0 degrees

Pawl 2 can go at 90 + (d / 4) degrees

Pawl 3 can go at 180 + (d / 2) degrees

Pawl 4 can go at 270 + (3d / 4) degrees

And then the pawls would look like they're almost equally spaced.

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Isnt it going to engage a bit odd since youve literally just cut out another hole for a pawl to go in to the drive shell.. From your cad drawing you can see that they arent all at the same distance apart...

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Isnt it going to engage a bit odd since youve literally just cut out another hole for a pawl to go in to the drive shell.. From your cad drawing you can see that they arent all at the same distance apart...

As I said, think about it.

With 3, they can all be equally spaced around because there is 21 clicks. 3 devides into 21 nicely.

But if you put all 4 round equally spaced, they dont line up with the ratchet propperly, as 4 doesn't devide into 21 as a whole number. So I had to work out how many degrees in each 4mm ratchet click then add that and devide it by the four pawls and add that so they all engage individually. That's why it's wonky. I didn't realize I would have to do this untill I started drawing it.

Understand?

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I've just sat down for about an hour and reworked all this..

I should be able to just get away with almost having all 4 pawl seats equally round the freehub, and not wonky.

I'll CAD it all up and see how it goes.

Sam

edit: Just spotted someone has already said something to this effect on the previous page. It apears that I was thinking too much in detail. My bad.

Edited by member1495
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