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#1
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Regarding the 6 stud wheels used by the HUP and now I learn also by the Dodge axles of RHD drive Canadian made trucks.
There are some slight differences wed have observed..... the six stud wheels MUST have a different taper than a regular CMP 8 bolts version......as the 900x16 tires do slip down easier than the 5 degree C15a rims. The six stud wheels/rims I have seen all have the Kelsey-Hayes stamping which includes the date of manufacturing. It also seems from comparing GM parts listing that the early first 200 Lynx Mk I also shared the six stud brake drum on the front axle. Comments????
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Bob Carriere....B.T.B C15a Cab 11 Hammond, Ontario Canada |
#2
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Thanks Tony for clearly highlighting the differences of the six bolt rim.
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Bob Carriere....B.T.B C15a Cab 11 Hammond, Ontario Canada |
#3
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The famous Australian rim was therefore an 18 inch rim of similar concept/design made by stamping two halves in 1/4 inch steel plate.
Do we know who made them??? and probably sourced in Australia. Were they stamped by the maker like the Kelsey-Hayse rims. Second question.... concerning the origin of the brake drum posted last in Hanno's posting........... I have a similar picture taken from the wrecks of North Africa...... attached...... from the picture I have concluded that it is a Chevrolet chassis from the cleanly sand blasted sheet metal, indentation on the frame for locating a LHD steering box and the spring layout. The fender seems to indicate an earlier version of LRDG using a 38-39 or 1940 round fender model....... Does any one have a larger picture depicting that same vehicle but in larger format showing the cab style. So far I have not been able to find any references in GM part manuals for that elusive riveted brake drum and I have many....... Thanks Bob C.
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Bob Carriere....B.T.B C15a Cab 11 Hammond, Ontario Canada |
#4
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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 |
#5
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GM did make the wheel stamping initially but was later taken over by Kelsey-Hayse.......
In view of the link of the six bolt rim to the 8 cwt, I am surprised they were used on the early Lynx armored vehicle...... unless they had more than one version of the six bolt brake drum / rim ....... or it explains why they went for the standard 8 bolt set up later in production. Bob C.
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Bob Carriere....B.T.B C15a Cab 11 Hammond, Ontario Canada |
#6
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Remember guys that the six bolt 16" rim was used on 8cwt trucks that had 9.25 - 16 tires not 9.00 - 16 (although I am not so sure about Lynx I ). 9.25 - 16 are lower profile and rather lighter construction than WD 9.00 - 16. They have not been available for a very long time. I don't think that there were any British WD vehicles that used 9.25 - 16 on the heavy style split rims so it is quite possible that they didn't fit. The main British user were the Humber 4x4 range and they had their own much lighter design of split rim with five studs.
David |
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H.
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Regards, Hanno -------------------------- |
#8
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GM Canada made them for Chevrolet vehicles, while Kelsey Hayes made them for Ford Canada and Dodge Canada. English WD wheels for Morris, Bedford and Austin are made by Dunlop.
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#9
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BTW that's a nice original Maple Leaf truck . Are those 10.50 x 18 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 Last edited by Mike K; 05-04-19 at 03:20. |
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Ford Australia's rims seem to be more faithful to the British/Canadian design, so I wonder if they are Canadian supplied? |
#11
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And then there were the heavy-duty 5 stud wheels made by GM/H for the Australian Maple Leaf trucks.
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#12
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Tony,
Are those Maple Leaf 5 stud ones 16" or 18" ? I am guessing 18" as they look very much like the 10 stud GM/H ones and also have twelve studs holding the halves together. David |
#13
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Canadian Built Ford, Chev and Dodge vehicles have the mountings for both RHD and LHD steering boxes on the chassis, even the CMP, although no-one has ever forund a LHD steering box that will fit a CMP chassis! |
#14
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Quote:
http://www.mapleleafup.net/forums/showthread.php?t=1594 HTH, Hanno
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Regards, Hanno -------------------------- |
#15
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Hanno,
I haven't measured the two types of Canadian 16" rims to confirm actual size and shape but what you are saying ("The six-stud CMP wheel was used on 8-cwt trucks. It doesn’t have a different bead taper, it simply has a smaller diameter") is in conflict with the AEDB design record that states the rim for use with 9.25-16 tires has a 5 degree rim base taper and the rim for use with 9.00-16 and 10.50-16 tires has a 1-1/2 degree taper. The AEDB record doesn't give a diameter at the bead seat other than the nominal 16". Mike's measurements (taken from tires) show both a smaller diameter and a greater taper (assuming the tire wall was of similar thickness at the bead seat) for tires intended for use with the "American" rim. |
#16
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It actually HAS BOTH.
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#17
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![]() Quote:
I made that remark as most people think only the rim base taper is different, which isn't true - see Tony's remark below. A 3.5 degree difference in rim base taper would go unnoticed when fitting a tyre. A larger rim diameter does. Thanks for clearing that up, Tony. Hanno
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Regards, Hanno -------------------------- |
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