Vehicle & Technical > Discovery

3 deflated tyres in the same day, Stop the compressor is glowing.

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clbarclay:
I wouldn't compare tyre pressures of a discovery to a military 110 which are inteded for carrying much heavier loads. IIRC standard pressures for a discovery are 26 PSI front and 36 PSI rear. Unless you have added a lot of weight to the vehicle then nearly doubleing the tyre pressure would adversly affect the handling and tyre wear.

I would have though 32 PSI would be enough to limit dirt getting between the bead and rim or prevent the bead slipping on the rim. If the tube is too small then thay won't help. I take it you throughly cleaned the dirt out after each time the tyre deflated. What condition are the rims and tyres in?



There are a few types of bead locks. Some are propably not road legal.

The cheapest option is to sandwinch the tyre bead on one side between 2 rings of steel bolted together. You can get weld on kits for this to conver existing wheels as well as wheels with them ready fitted, for example http://www.offroad-armory.com/beadlock.html
These are the most questionalble about use on the road and often advertised as "for off road use only".

Another option is pneumatic bead locks, which have a special inner tube which just pushes against the tyres bead. The wheel has 2 valves, one to inflate the special tube and another to inflate the rest of the tyre. These are more expensive and can be tricky to fit. For example http://www.devon4x4.com/products_a/p406c121/0/staun-internal-beadlock-16-inch-7/9.html

Another option is to use a split rim double bead lock wheels which use a solid insert between the tyres beads to allow the split rim to snadwich the beads when bolted together. These are an expensive option, but have the advantage of mechanically locking both beads and made to order split rim double bead lock wheels tend to be very strong and robust. For example http://www.stazworks.com/rims.htm
There are people in the UK with contacts for aquring Stazworks from the states at a reasonable price, though they are still a few hundred pounds per wheel. I haven't seen a recent figure but  around £300 each springs to mind.

wizard:
I had the same problem when the Disco had RR 3 spoke alloys on. I replaced them with disco steel rims and that was the end of any flat tyres when playing in the mud.

wizard

Range Rover Blues:
Just to say that fitting tubes into tubeless tyres is really not a good idea.

kai:
Wow who, looking like I have sorted this now.

Went to see the kind people over at Safari engineering over in Eversly. A gent named David kindly pointed out that what I had attempted was ok however I had a little further to go with it. So..... I brought some new innertubes with a smaller valve and a small insert to go inside the valve hole which is acting like a gommet/shim. That is stopping the valve from catching or rubbing on the metal valve hole. So fitted these and have been green laning all day around Hindhead today and it's still inflatted  :lol:

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