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-   -   New Cummins built 2-stroke (http://www.competitiondiesel.com/forums/showthread.php?t=197945)

BigPapa 10-05-2017 01:54 PM

New Cummins built 2-stroke
 
Twin Crank, 2 pistons per cylinder, no valve train, 2-stroke, supercharged.

Designed by Achates, built by Cummins for the military. What do you call it, a 3 cylinder or opposed 6?

Whatever, I want one.....


Cummins developing revolutionary new diesel engine for U.S. Army | Fox News


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1972RedNeck 10-05-2017 02:25 PM

3 cylinders, 6 pistons? Whatever it is, I like it.

On a side note, do they still use the VT903 today?

CorneliusRox 10-05-2017 02:28 PM

SICK!

BRE 10-05-2017 03:19 PM

God help our ears.


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malibu795 10-05-2017 03:24 PM

new version of the fairbank morse 8 1/8 version

nice!

SmokinCAT 10-05-2017 04:27 PM

Quote:

Originally Posted by 1972RedNeck (Post 2638120)
3 cylinders, 6 pistons? Whatever it is, I like it.

On a side note, do they still use the VT903 today?

Yes, still in production.

J-Pipes 10-05-2017 04:56 PM

Will it sound like a Detroit?

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SmokinCAT 10-05-2017 05:10 PM

Quote:

Originally Posted by J-Pipes (Post 2638148)
Will it sound like a Detroit?

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Not likely, detroit still has valve train on the exhaust side.

QMFB 10-05-2017 06:42 PM

Can't get excited without some specs... New, doesn't always equal powerful and reliable.
But it is interesting, to say the least.

04DEEZELRAM 10-05-2017 07:17 PM

Quote:

Originally Posted by 1972RedNeck (Post 2638120)
3 cylinders, 6 pistons? Whatever it is, I like it.

On a side note, do they still use the VT903 today?

Jeez I hate a vt903

chevota84 10-06-2017 12:01 AM

Opposed-Piston - Achates

Looks like they're using a screw charger like the Magnusson to control the intake side.

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BigPapa 10-06-2017 05:51 AM

I didn't even think about it not having a head. This thing keeps looking better and better.

allan5oh 10-06-2017 11:57 AM

It seems like every couple of years someone comes out with a design like this and it never goes anywhere

Signature600 10-06-2017 12:36 PM

Quote:

Originally Posted by allan5oh (Post 2638267)
It seems like every couple of years someone comes out with a design like this and it never goes anywhere

Except for almost all ship engines from 1920-1960...

Chris

allan5oh 10-06-2017 12:38 PM

Quote:

Originally Posted by Signature600 (Post 2638273)
Except for almost all ship engines from 1920-1960...

Chris

I wouldn't say those are comparable to this. In fact the large cargo ship engines are usually 2 stroke

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J-Pipes 10-06-2017 03:00 PM

Quote:

Originally Posted by allan5oh (Post 2638274)
I wouldn't say those are comparable to this. In fact the large cargo ship engines are usually 2 stroke

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The new engine in question here, is a two stroke.

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allan5oh 10-06-2017 03:17 PM

Quote:

Originally Posted by J-Pipes (Post 2638287)
The new engine in question here, is a two stroke.

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Ok?

I'm talking about a different engine design. They've really been coming out of the woodwork ever since oil prices went up in the mid 2000s.

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Leiffi 10-13-2017 02:16 AM

Commer in Great Britain made those in 60s for light trucks. Dont know if it was success or not, none of the british trucks were up to continental Europe trucks.

runsideways2 01-30-2018 04:29 PM

Can we make this run off a P-PUMP??????

DDually 01-31-2018 12:34 AM

Just saw a news article and apparently this engine could in the new Ford F-150. Insta-boner.


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