Opposed piston engines in trucks?

Kinja'd!!! "Transit" (gear-chip)
12/21/2015 at 11:57 • Filed to: None

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Sure it worked for WWII-era subs and trains, but I shudder to think what a transmission would look like for one of these suckers. You’d have to do a diesel-electric hybrid.

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DISCUSSION (4)


Kinja'd!!! bingham123 > Transit
12/21/2015 at 12:15

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a diesel electric hybrid for a lorry (semi truck ) would be quiet awesome. all that torque from 0 rpm would be quiet usefull, and im shure the ecohippies would be happyer with them.


Kinja'd!!! Transit > bingham123
12/21/2015 at 12:22

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UPS and FedEx would go nuts for something like that. Hop in truck, gun it, regenerative braking, hop out.

I know there are a few places trying out natural gas hybrid garbage trucks, but I think with this opposed set-up you’d need two generators - one for each set of pistons. The extra weight might offset a lot of the efficiency gains...


Kinja'd!!! If only EssExTee could be so grossly incandescent > Transit
12/21/2015 at 13:04

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It is indeed very possible, a company called Commer put opposed piston engines in their trucks way back in the 50’s and 60’s. The pistons had big rocker arms on them that transferred movement to a single crankshaft. They used a normal transmission.

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Kinja'd!!! The Powershift in Steve's '12 Ford Focus killed it's TCM (under warranty!) > bingham123
12/21/2015 at 13:04

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Massive torque at zero RPM is also likely to break the axles, which is an issue already with the massive off-idle torque of the latest diesels: http://www.truckinginfo.com/article/story/…