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  #1  
Old 05-12-21, 16:43
rob love rob love is offline
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Quote:
Originally Posted by Alex van de Wetering View Post
.always fun to carry Run-Flat tyres

Or as I like to call them: backbreakers.


Tip: they will roll...you do not need to carry them.



Derk Derin burned out the transmission on his truck back in the 90s when we transported about 10 ferret runflats from a surplus yard in Saskatchewan. Each one is heavy....multiples of them is murder.
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Old 05-12-21, 17:32
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Hanno Spoelstra Hanno Spoelstra is offline
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Backbreakers they are, even with the 1942 9.25-16 tyres completely worn down.
The C8A rims also have hubs in them, converted for use on a farm trailer. Glad we brought a trailer with ramp so we could roll them on.

Interestingly, two 15-cwt rims have American made “Kant Slip” 9.00-16 W /|\ D tyres FOR BRITISH WHEELS made by Kelly Springfield Tyre Co. on them.

30D23697-8ADD-4096-A3C2-BF3E4770ECFC.jpeg

1D1AED36-0F82-4AD8-8D12-0349BFD2FBED.jpeg 9BCA8E2B-B02B-49D6-99D6-B87197289D10.jpeg 9C187591-DB90-47C7-A666-C6B949DD44C4.jpeg
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Old 05-12-21, 17:51
rob love rob love is offline
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Are they a bar type tread, or chevron? I have seen the US made bar type trad at work and marked as for British rims. It kind of makes me feel better having to use the bar tread on a CMP or 25 pounder when I don't have any access to chevron. Once was the time I considered the use of bar tread as taking the easy way out. Sacrilege.
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Old 05-12-21, 18:48
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Hanno Spoelstra Hanno Spoelstra is offline
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Quote:
Originally Posted by rob love View Post
Are they a bar type tread, or chevron? I have seen the US made bar type trad at work and marked as for British rims. It kind of makes me feel better having to use the bar tread on a CMP or 25 pounder when I don't have any access to chevron. Once was the time I considered the use of bar tread as taking the easy way out. Sacrilege.
Proper NDMS bar grip, and not a retread. I have not been able to find a date on them. The American Kelly-Springfield Tire Company was founded in 1894. It was acquired in 1935 by the Goodyear Tire and Rubber Company, who maintained it as a subsidiary until 1999 when it was integrated into Goodyear North America. It continues today as a major brand under Goodyear. So they could have been made anytime during the past.

Could it be the US supplied tyres for British wheels under Lend-Lease? Or would the US supply European MDAP recipients after WW2 with tyres made for their ex-Canadian equipment?

IMG_3828.jpg
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Old 05-12-21, 19:18
rob love rob love is offline
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Personally, I thought they were post war on the limber or gun I found them on. Not sure I kept the old carcass to confirm.
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Old 05-12-21, 21:02
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Most likely postwar indeed, Rob. Otherwise we would see many bar treads on period pictures of Commonwealth trucks.

I have no problem fitting bar treads on my CMP. Rather a set of fresh rubber bar treads than wartime Trak Grips. Spoke to a club member the other day who was adamant that his wartime tyres were perfectly safe for road use as “they are made of natural rubber, not that modern crap”
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Old 05-12-21, 21:37
rob love rob love is offline
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I will admit to having noticed that tires I buy these days seem to crack in very short order, measured from months to 4 years. Yet I will have tires from the 80s and 90s which are still crack free, so can't merely blame the environment or the sunlight. But I will not extend that to 80 year old tires. There is a limit to everything.

Here in North America, the tire companies first came out lobbying to get winter tires as a requirement over having all season tires or driving with summer tires. It meant that they would get to sell everyone a second set of tires. Then, because, of course, you might get twice as long out of those tires since you are only running them half the year, they now recommend a 4 year tire life. And coincidentally, they now exhibit cracks at the 4 year mark.
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