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Mid

How to cut a tyre in half ?

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What it says on the tin .

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Use a power jig saw with a fine-tooth (metal blade). A sawzall will buck and will probably not work well. I have used a jig saw with reasonable results. The sidewalls cut easily (they have nylon cords). The tread is a pain, because you have to slice the metal cords. Go slow, take breaks, and let the blade cool. The rubber will smoke. You might try cooling/lubing the blade with water or oil. I did not but would try it again. I assume you are cutting radially (from one bead, thru the tread, to the other bead). If you are cutting concentrically, cutting the side walls is easy. I have not cut a tire (tyre) concentrically thru the tread. If I had to try again, I would also consider a circular saw with a chop saw (abrasive metal-cutting) blade or fine-tooth plywood blade. Abrasive blade would probably smoke like a rasta.

Don't ask how I know about this...

Snubs

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thank you very muchly , you are correct , I wish to cut radially .

a couple of decent jig saw blades will be cheaper than a sawzall .

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Find a textile radial. 

Use a large sharp knife.

Get someone to drip 25% washing up liquid 75% water onto the knife as you cut. 

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3 minutes ago, TQA said:

Find a textile radial. 

arr , in an ideal world :)

 

reality is I'm dealing with a toss over the fence from a neighbour and it's a steel belt .

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1 hour ago, Mid said:

What it says on the tin .

Sounds like an awful mess.

TQA's soap and water mix is good stuff for doing that kind of cutting, thru messy stuff with a metal jigsaw blade. I use this for cutting thru old fiberglass too. Rubber is either going to melt & smoke or jam against the blade (or both) so be ready to stop often.

1 minute ago, Mid said:

arr , in an ideal world :)

 

reality is I'm dealing with a toss over the fence from a neighbour and it's a steel belt .

Are you taking suggestions on how to return the favor?

FB- Doug

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nah , I asked for the tyre , want to cover a water meter before I brush cut it to death .......

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Slow and healthy.

Sheet metal blade in a sawzall.  Has the fine TPI of the jigsaw blade, but better form factor and way faster cut. 

Put some lube on it. 

Fast and unhealthy:

Zip disc in an angle grinder.  Fast no fuss, gonna smoke a bit. 

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tyre shops cut the sidewall off the tread with a sharp knife then sawmill once across the tread so it lays flat in a skip.

I have seen scars from the knife slipping though, take care.

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Sawzall, all purpose = metal blade.  make sure the tire is held in place first though.

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Set the entire tyre on his frond door entry and light it on fire. Chanting will help. Using half a tire is pussy.

 

 

 

 

 

 

 

 

 

 

 

 

 

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