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Post Info TOPIC: Stupid question about knock on hubs.


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Stupid question about knock on hubs.


My understanding regarding knock on hubs has always been that the spinner should screw onto the hub in the direction of forward rotation of the wheel. This, as I understood it, means as the wheel rotates in a forward direction, it has the effect of tightening the spinner. So, in effect, on the right hand side of the car (sitting in the driver seat) the spinners should go on in a clockwise direction and on the left hand side, in an anti-clockwise direction.

For some reason, my spinners stamped left hand side tighten up clockwise and the ones marked r/h side tighten up anti-clockwise.

Have I, for years, gotten this completely wrong??

I might add, the Peerless is my first wire wheel car.



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I've no experience with wire wheels but my feeling says if the rotation of the wheel and nut are the same, they'd come loose if the nut hits something while driving?



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that did sound a little confusing to me and so just went and checked. RHS/Drivers side image supplied below and I'm sure mine are stamped as well...but I cant be arsed to take a wheel off, sorry biggrin

IMG_20210205_163335.jpg



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So the spinners unscrew in the same direction as the wheel turns when in forward motion. That runs contrary to what I thought but IS correct with what is stamped on my spinners. Guess I've been wrong all those years.

I still find it counter intuitive somehow. I would have thought that the rotation of the wheel would have helped tighten the spinner if it had been the other way around.

Guess I'll just have to give them a good, hard belt with the hammer.

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yea never really liked the hammer idea. I bought a nylon headed hammer which was a great improvement (especially for the chrome) but still not happy. I mean you never know how tight they really are each time.

So I made a wooden spanner. They make a two ear'd one (I think the MG club do them) that you put on...then hit with a hammerconfuse

I just made one to fit the three ear'd ones and extended it by about 2 foot so I know how tight they are and keep it even on all four wheels

I've made another one that is a thinner, lighter version that just fits flat down the RH side of the boot floor...simples 

BUT I do have another idea in progress at the moment ...this time next year Rodney.......



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