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Does anyone know what these were?
US Army twin Ford V8. The 2 engines were synchronised by driving 2 differentials with a linked axleshaft in the middle. I don't see how power was then transmitted to the rear bogie. |
#2
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Hi Tony,
By coincidence I put a photo of one of these in last month's AMVCS newsletter. They were used for moving aircraft components and assemblies between plants as I recall, and could have been involved with jeep production. Memory tells me there was an article in Wheels and Tracks many moons ago. regards, Richard The photo is of one moving aircraft assemblies, possibly wings or fuselages at a guess, it is dated as 1943. Just found more info, I remember now, it was not built by Ford, http://blog.hemmings.com/index.php/2...-flathead-fun/
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Richard 1943 Bedford QLD lorry - 1941 BSA WM20 m/cycle - 1943 Daimler Scout Car Mk2 Member of MVT, IMPS, MVG of NSW, KVE and AMVCS KVE President & KVE News Editor Last edited by Richard Farrant; 09-01-16 at 20:57. Reason: photo caption |
#3
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Yes they were designed to transport major assemblies of B24s to Ford's Willow Run assembly plant.
The twin engine power pack was mounted on rails to allow for easy changeovers. There's an extensive article in one of the Wheels and Tracks issues.
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Film maker 42 FGT No8 (Aust) remains 42 FGT No9 (Aust) 42 F15 Keith Webb Macleod, Victoria Australia Also Canadian Military Pattern Vehicles group on Facebook https://www.facebook.com/groups/canadianmilitarypattern |
#4
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Hi Keith
Found it. These trucks were actually covered twice in Wheels & Tracks articles: Issue 7 p. 29 - 31 and Issue 16 p. 21 - 23. Good reading and lots of pictures. Cheers, Brian
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1942 Willys MB Jeep 505 contract 1943 C8A HUP |
#5
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Not to be confused with GRICO, who did a similar conversion for a similar purpose, but it had one engine under the cab and another in a pod behind the cab, basically two engines inline as opposed to side by side. Nice me a minute and I'll find the WAI thread. Here you go; http://forums.justoldtrucks.com/4985...14?PageIndex=2
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Gordon, in Scotland Last edited by gordon; 10-01-16 at 16:01. |
#6
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I think your photo of the truck with two engines mounted on the back driving a double diff axle is misleading. Look at the rear view of the Army truck and you will see the 3rd axle diff offset to left, so left hand engine drives that axle. My guess is the 2nd axle has diff offset to right. So drive is much simpler than we thought. I am also confused about the centre photo, but maybe it is just someone's idea to build a display engine set up. regards, Richard
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Richard 1943 Bedford QLD lorry - 1941 BSA WM20 m/cycle - 1943 Daimler Scout Car Mk2 Member of MVT, IMPS, MVG of NSW, KVE and AMVCS KVE President & KVE News Editor |
#7
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The photo was from a forum that described it as the powertrain from the type of pictured tractor unit. Of course, the single gearstick shows that it is not probably a complete assembly, and you're right, it is now more likely to be someone's concept of how it could have been!
The two co-joined differentials had me confused, as with the inherent behaviour of Open Diffs, when power was applied to the two pinions, the rpms would have been equalised, but instead of forward torque being applied to the outer axleshafts, the middle shaft would have rotated freely in reverse! No go, Joe. This could have been rectified by one of the differentials being either a solid spool or a traction locking device, but that would have eliminated the rpm equalising. Very strange display piece, but who wouldn't love 2 V8s in sync? ![]() |
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