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This 1939 GoodYear Heavy Tractor tyre showed up recently in a lot of used tyres offered for sale by Bill Ruston
It has that peculiar pattern which I think makes the vehicle slip sideways in certain conditions. AFAIK this pattern was not continued in production later on during the war. 466781943_2996255697192250_9059150315794784231_n.jpg 466597481_2996251323859354_6313083572184857302_n.jpg 466774273_2996255717192248_2214991733756468074_n.jpg 466674931_2996251047192715_7656290609941283577_n.jpg
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Regards, Hanno -------------------------- |
#2
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I think i have also seen them appear on a 25pdr used as a monument somewhere... But I can't remember where!
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Chevrolet C8 cab 11 FFW BSA Folding Bicycle |
#3
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That is a very peculiar pattern tyre, Hanno.
If it was possible to mount them on an axle in mirror image of each other, would that cancel out the tendency for the vehicle to side slip in the mud? With the pitch of all four tyres pointed in the same direction, things could get very interesting on a muddy slope. David |
#4
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@ David. Yes, you would think in mud you would be costantly turning the steering wheel in the opposite direction to counter the movement of the "drifting" vehicle (?).
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Chevrolet C8 cab 11 FFW BSA Folding Bicycle |
#5
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The 3 ton 6x4 in the third photo is fitted with the first pattern of Dunlop Trak Grip tyres. These and the Goodyear and possibly other makes of "diagonal bar" style were very common at the start of WW2 and I suspect that they were a War Dept. design like the various 6x4 standard chassis. I have read somewhere (but have no idea where) that the Dunlop version changed to the later versions with the bars joined at the tyre centre line to reduce side slip in snow and ice and to promote longer tyre life. The more usual Dunlop Trak Grip went through quite a lot of detail changes over the years, particularly to where the tread bars merge into the sidewall. They saved rubber by having a depression in each one, then filled it in again and made the shoulders rounded. This would be a study in its own right.
Early Goodyear pneumatic tyres had a fine diamond tread pattern which became almost their trade mark. When they moved on to newer designs of road tyre they retained the single line of diamonds on the sidewall for many years so it is interesting that the "diagonal bar" Goodyears do not have those diamonds on the sidewall. Is it possible that the one in post #54 is a retread on a Goodyear casing though probably not as the Goodyear Sure Grip in post #44 also does not have diamonds on the sidewall though modern tractor tyres do. We need more examples of this style.... David Last edited by David Herbert; 15-11-24 at 12:03. |
#6
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From a tyre manual i have, shows some tyres in use
Last photo of Germans with a tyre from a Guy truck. Photo from my collection tyre 1.jpg tyre.jpg tyre guy truck ww2.jpg
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Keith |
#7
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Wartime 900 13 tyres
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1940 cab 11 C8 1940 Morris-Commercial PU 1941 Morris-Commercial CS8 1940 Chev. 15cwt GS Van ( Aust.) 1942-45 Jeep salad |
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1939 newspaper report
nla.news-page14218169-nla.news-article128001841-L3-a6e54ae647a42a4b90216541bf8e8457-0001.jpg
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1940 cab 11 C8 1940 Morris-Commercial PU 1941 Morris-Commercial CS8 1940 Chev. 15cwt GS Van ( Aust.) 1942-45 Jeep salad |
#9
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Good Year 11:00-20
Road Lug Made in Canada For Special Road Service 12 Ply Rating PS: this tyre is for sale: https://www.generaaltjes.nl/Adverten.../velg-met-band (no connection to the seller) 468647808_2741329496255633_706472255700937083_n.jpg 468675368_2741329572922292_1026981559320940256_n.jpg 468755463_2741329432922306_5003775890998552668_n.jpg 468615912_2741329399588976_8891278435062098069_n.jpg
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Regards, Hanno -------------------------- |
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