Can you still get vulcanising patches? I remember little tins and you lit the back of them to adhere the patch, would they work on a tubeless?
I have heard of stuffing cuts in tubless tyres with multiple "rope" plugs, though never had to try it (thank god!!)
I also had no idea you could get tubeless crossplies!
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Paul
Haven't seen an old-style vulcanizing patch for yonks...they most probably wouldn't work on modern tyres because of the high silica-content of the compounds nowadays... as well as the surface structure of the tyre inside, which is all ribbed and profiled.
A cut is always a "bad" puncture, as there's the potential for continuing tearing under stress as well as longish/ flexible sides to the tear, that work any "filler/plug" out of the tear over a fairly short distance.
The most ideal damage is a nail that's gone through the wear surface at a shallow angle.
Hasn't caused structural damage to the carcasse and has plenty of body+hold for the patch/rope/mushroom etc.
There won't be many crossplies left in the road-tyre field, unless one drops below the 140-width mark.
Popular tubeless C/P tires used right now include: (or bias-ply, as they're called now)
Heidenau K60
Heidenau K76
Conti TKC-80
Mitas E-07
Metzeler Karoo T
Metzeler ME880
Shinko 705
Kenda 761 and 784 Big Blocks.
Nothing wrong with them at all, and in some respects tougher than the radials.
C/P sidewall is harder to puncture, sidewalls are stiffer and therefore easier to steer at lower speeds - works perfectly in the dirt.
The tubeless bit comes from the bead-profile, not the basic tyre construction.