On 27/01/2016 4:54 PM, The Natural Philosopher wrote:
On 27/01/16 14:34, Adrian Caspersz wrote:
On 27/01/16 12:56, The Natural Philosopher wrote:
Last might I walked over to a friend of mine, and later on he ran me
back in his car, when we discovered a rear tyre was nearly flat. I
pumped it up with me trusty Halfords inflator, but I could hear air
hissing out - we both did - and there was a draught coming out of the
tread at one point. However it was dark so I left his car there, ran him
home in mine, and this morning went out to see how flat the tyre was.

Well it wasn't. Flat. The hiss wasn't there, there was no sign of a
hole..in the location where the air had been coming out (edge of the
tread)...

WTF is going on? Rational explanations only please, no alcohol or
hallucinogenic drugs were involved (sadly ). He did run into his
belligerent neighbours fence post yesterday though...would a spike
through the tread self heal?

Someone else's car....

Nope. Got the same dents and ****.

When I started pumping it up it was WAY flatter than it is now, and its
been in my drive since then.

Must go and check all the tyre pressures

And the hole where we could feel the air ****ing out was nowhere near
the rim, it was the edge of the flat part of the tread



It is possible that there is a compromise in the tyre and that it only
'opens' during a part of the cycle of the wheel?



....Ray.


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