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Mickwhitt

Tyres and wheels

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Mickwhitt

Hi all, the rebuild is progressing nicely, so my thoughts have turned to wheels and tyres.

 

Mine came with the wide, Carlisle turf tyres and wheels. As I'm not going to be moving or really using it on grass I wondered if I could replace the rear wheels and tyres with something a bit narrower. It would allow me better access if the machine was a little skinnier. I'm already thinking of modifying the front axles to take roller bearing hubs and trailer wheels. 

Any thoughts please.

Mick 

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Mickwhitt

Stormin.

That looks a great solution to the problem.

I have a spare set of rims I could use, what size tyre is yours?

And how did you go about welding the rims? I have a mig welder but I'm not sure I could confidently weld those rims.

Mick 

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Stormin

 Tyres are Dunlop 700 x 12s.

 

  The wheels were split by a local engineering firm and marked so they could be lined up as was. You can see the marks. The band that was left after splitting was used to hold the two halves together. You can see I only stitch welded.  I didn't weld the two halved together. It's the band holding them. Done with a stick welder. Don't have a mig.

  Next I smoothed the welds down, applied filler round the bands edges and smoothed down. Finally taped round the centres to stop any chaffing of the tyre tubes.

  Not the best of explanations, but I hope you get the idea.

 

 BTW. Nice dipstick cap. :thumbs:

 

 

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Mickwhitt

So you got a band cut out from the centre of the wheel well, that allows the cut faces to butt together to weld. Did you then cut the waste band of metal to snap it over the new join and weld that in place? 

I can see how it's done but just want to be sure I can replicate it before I chop my spare rims.

Is there a measurement for the waste you cut out, or the width the bead area needs to be? 

Thanks about the oil cap, it looks good. Keep an eye out for my solid engine mounts.

Mick 

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Mickwhitt

I might be mixing things up here.

 

My rims are 12 inch diameter and 7 inches across the bead seats.

 

So will the 700 x 12 ag tyre fit this rim?

 

Do I need a narrower tyre to reduce the width of the back end.

 

Tyre sizes are so confusing lol 

 

Mick 

 

 

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Mickwhitt

By the way the tyre size shown on the sidewall of the Carlisle tyres fitted is 23  x  8.5-12

 

So that is 23 inch outer diameter, 8.5 inch across the section width  on a 12 inch rim?  Am I right?

 

Mick 

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pfrederi

Yes you are correct.  However the rim wide is usually inch less than the tire cross section.  That tire would fit correctly on a 7.5" wide rim.

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Stormin

If I remember correctly, I think the wheels were narrowed by 1-1/2".

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Mickwhitt

Ordered my new tyres, rims in for shot cleaning and refinishing.

Going to look one smart horsey.

Mick 

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