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What ever tickles your fancy
#1
From Facebook. I'm lost for words...


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#2
I’m trying hard to think of a reason why you’d do that. Especially as they are more expensive than blockleys or longstones.
Alan Fairless
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#3
Is that would -be trials special behind it in the shed, or the makings of a semi dragoid?
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#4
Are they radials?
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#5
(12-07-2022, 11:04 AM)Ray White Wrote: Are they radials?

They look like a Pirelli: https://www.pirelli.com/tyres/en-gb/moto...re=default
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#6
Motorcycle tyres? Are they legal, or safe, on cars?
The tyres on the green wheels appear to be directional, and fitted to the wrong side of the car.
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#7
What hasn't been mentioned so far is that the guy with the Ruby lives in New Zealand.
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#8
(12-07-2022, 02:52 PM)Mick Hobday Wrote: Motorcycle tyres?  Are they legal, or safe, on cars?
The tyres on the green wheels appear to be directional, and fitted to the wrong side of the car.

I can't find any legislation that prohibits the use of motorcycle tyres on cars - and it has been common practice for many decades. Tyres carry load limits and so, presumably, if within those limits on a car, will be OK. The once common Avon sidecar tyre was heavily used - but some people (one I know is a relatively high-mileage user) prefer not the "Longstone" type, but the handling of the Avon SM "Safety Mileage" tyre intended for sole motorcycles. This tyre, being intended for motorcycle use, has a rounded profile and hence a smaller contact patch on the road when upright. Might this lighten the steering and offer more feel?
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#9
“Legal” does not equate to “good idea”. Cornering loads for bikes are completely different to cars. The result is bike tyres have a lot less lateral rigidity. This allows considerably more tyre deflection and can lead to exposed wheel rims or even the tyre detaching from the wheel. Views differ on how important this is on a road car of modest performance but there have been a number of racing accidents caused by this, including a friend at loton hill climb a few years back. Luckily, blockley and longstones have solved this problem.
Alan Fairless
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#10
(12-07-2022, 06:59 PM)Alan Wrote: “Legal” does not equate to “good idea”. Cornering loads for bikes are completely different to cars. The result is bike tyres have a lot less lateral rigidity. This allows considerably more tyre deflection and can lead to exposed wheel rims or even the tyre detaching from the wheel. Views differ on how important this is on a road car of modest performance but there have been a number of racing accidents caused by this, including a friend at loton hill climb a few years back. Luckily,  blockley and longstones have solved this problem.

I agree. Sidecar tyres, however, are fine. My car did a lot of hard, competitive use on Avons and never gave a moment's trouble. In addition, the days of eeking out that the last layer of canvas are long gone (and some of us can remember them).
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