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opposed piston engines to make a comeback in automobiles? by maryjane
Started on: 12-01-2016 12:04 PM
Replies: 16 (302 views)
Last post by: maryjane on 12-02-2016 09:56 PM
maryjane
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Report this Post12-01-2016 12:04 PM Click Here to See the Profile for maryjaneSend a Private Message to maryjaneEdit/Delete MessageReply w/QuoteDirect Link to This Post
https://www.wired.com/2016/...gines-way-efficient/

You'll have to watch the video. I saw one OP diesel in an old tugboat many decades ago and the thing slobbered an oily mess out the airbox drains worse than any Detroit Desiel ever did, but I guess they have a cure for that in mind.
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Fats
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Report this Post12-01-2016 12:11 PM Click Here to See the Profile for FatsSend a Private Message to FatsEdit/Delete MessageReply w/QuoteDirect Link to This Post
 
quote
Originally posted by maryjane:

https://www.wired.com/2016/...gines-way-efficient/

You'll have to watch the video. I saw one OP diesel in an old tugboat many decades ago and the thing slobbered an oily mess out the airbox drains worse than any Detroit Desiel ever did, but I guess they have a cure for that in mind.


My last Detroit Diesel didn't lose a drop of oil in 500,000 miles.

This one is doing fine, but it's only up to 200k.

Brad
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rogergarrison
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Report this Post12-01-2016 12:31 PM Click Here to See the Profile for rogergarrisonSend a Private Message to rogergarrisonEdit/Delete MessageReply w/QuoteDirect Link to This Post
The future is going to be electric sooner or later, whether battery or solar. Gas and diesel are a dying breed. It is going to be a long time though. I dont see fuel vehicles advancing any further technology than they have.
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Hank is Here
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Report this Post12-01-2016 12:31 PM Click Here to See the Profile for Hank is HereSend a Private Message to Hank is HereEdit/Delete MessageReply w/QuoteDirect Link to This Post
 
quote
Originally posted by Fats:


My last Detroit Diesel didn't lose a drop of oil in 500,000 miles.

This one is doing fine, but it's only up to 200k.

Brad


My guess is you don't have an oil 53 or 71 series motor tha tI am willing to bet MJ has expierence with. Funny you should mention a tug using the OP diesel. I think there is a still one of thopse (tugs) with an OP diesel in the Baltimore/Norfolk area running around in private (non commercial) hands.

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maryjane
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Report this Post12-01-2016 12:34 PM Click Here to See the Profile for maryjaneSend a Private Message to maryjaneEdit/Delete MessageReply w/QuoteDirect Link to This Post
 
quote
Originally posted by Fats:


My last Detroit Diesel didn't lose a drop of oil in 500,000 miles.

This one is doing fine, but it's only up to 200k.

Brad

It's not actually oil most of the time Fats--it's just a gooey mess made of unburned diesel and carbon, unless it has blower seals leaking by.

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williegoat
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Report this Post12-01-2016 01:05 PM Click Here to See the Profile for williegoatClick Here to visit williegoat's HomePageSend a Private Message to williegoatEdit/Delete MessageReply w/QuoteDirect Link to This Post
 
quote
Originally posted by Fats:


My last Detroit Diesel didn't lose a drop of oil in 500,000 miles.

This one is doing fine, but it's only up to 200k.

Brad

That is a completely different animal than the old "Yamahas" to which maryjane eludes.
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tebailey
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Report this Post12-01-2016 03:33 PM Click Here to See the Profile for tebaileySend a Private Message to tebaileyEdit/Delete MessageReply w/QuoteDirect Link to This Post
I always used to worry when a Detroit didn't leak oil all over.
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Report this Post12-01-2016 04:09 PM Click Here to See the Profile for gtjoeSend a Private Message to gtjoeEdit/Delete MessageReply w/QuoteDirect Link to This Post
If a 2 stroke Detroit diesel isn't leaking oil its probably cause it ran out of oil.
I had a diesel mechanic tell me once that you can write Detroit diesel on a brand new hat and hang it on a wall and it will leak oil
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williegoat
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Report this Post12-01-2016 07:34 PM Click Here to See the Profile for williegoatClick Here to visit williegoat's HomePageSend a Private Message to williegoatEdit/Delete MessageReply w/QuoteDirect Link to This Post
Here is an interesting opposed piston diesel that I read about just a few years ago. The Napier Deltic is used in locomotives in the UK.

18 cylinders, 36 pistons!



https://en.wikipedia.org/wiki/Napier_Deltic

 
quote
The Napier Deltic engine is a British opposed-piston valveless, supercharged uniflow scavenged, two-stroke Diesel engine used in marine and locomotive applications, designed and produced by D. Napier & Son. Unusually, the cylinders were disposed in a three bank triangle, with a crankshaft at each corner of the triangle.

The term Deltic (meaning in the form of the Greek letter Delta) is used to refer to both the Deltic E.130 opposed-piston high-speed Diesel engine and the locomotives produced by English Electric using these engines, including its demonstrator locomotive named DELTIC and the production version for British Railways, which designated these as (TOPS) Class 55.


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TheDigitalAlchemist
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Report this Post12-02-2016 08:00 AM Click Here to See the Profile for TheDigitalAlchemistClick Here to visit TheDigitalAlchemist's HomePageSend a Private Message to TheDigitalAlchemistEdit/Delete MessageReply w/QuoteDirect Link to This Post
 
quote
Originally posted by gtjoe:

If a 2 stroke Detroit diesel isn't leaking oil its probably cause it ran out of oil.
I had a diesel mechanic tell me once that you can write Detroit diesel on a brand new hat and hang it on a wall and it will leak oil


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Fiero STS
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Report this Post12-02-2016 08:19 AM Click Here to See the Profile for Fiero STSSend a Private Message to Fiero STSEdit/Delete MessageReply w/QuoteDirect Link to This Post
We called the 53 and 71 series Detroit Diesels fuel converters. They converted fuel to noise.
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Report this Post12-02-2016 09:12 AM Click Here to See the Profile for fierosoundClick Here to visit fierosound's HomePageSend a Private Message to fierosoundEdit/Delete MessageReply w/QuoteDirect Link to This Post
The Commer Knocker



running diesel fuel - see comments



------------------
My World of Wheels Winners (Click on links below)

3.4L Supercharged 87 GT and Super Duty 4 Indy #163

[This message has been edited by fierosound (edited 12-02-2016).]

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pokeyfiero
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Report this Post12-02-2016 11:07 AM Click Here to See the Profile for pokeyfieroClick Here to visit pokeyfiero's HomePageSend a Private Message to pokeyfieroEdit/Delete MessageReply w/QuoteDirect Link to This Post
A 6/71 is a messy ***** . After a few hundred thousand miles you could tell if it was leaking more oil or burning it through the valves.

But it was the chainsaw of engines. It could produce ungodly amounts of power if the revs were kept up.
With a good load at a certain RPMs with that turbo and blower you could vary the intake noise to sound like someone whistling a tune.

That engine will run on bypass oil if you run her out of diesel. I both hate and love the 71's.
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Report this Post12-02-2016 11:18 AM Click Here to See the Profile for williegoatClick Here to visit williegoat's HomePageSend a Private Message to williegoatEdit/Delete MessageReply w/QuoteDirect Link to This Post
One of the first "big trucks" I ever drove, back in the mid '70s, was a cabover GMC with an 8v92 and a 13. God, that thing was fun! I could load it up with lumber and plywood, hook a forklift on the back, let out the clutch and the thing would just about jump straight up into the air.
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Report this Post12-02-2016 01:22 PM Click Here to See the Profile for Stubby79Send a Private Message to Stubby79Edit/Delete MessageReply w/QuoteDirect Link to This Post
Hmm. I wonder if they're more or less fuel efficient at partial loads then a typical 4-stroke...though I'm sure at high loads, they should be notably more efficient.
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RayOtton
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Report this Post12-02-2016 01:48 PM Click Here to See the Profile for RayOttonSend a Private Message to RayOttonEdit/Delete MessageReply w/QuoteDirect Link to This Post
Somewhat off topic but did you know that the Germans had aircraft diesel engines in WWII?

https://en.wikipedia.org/wiki/Junkers_Jumo_205

And there's some modern variants too -

http://www.flyingmag.com/ai...t-engines-revolution
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maryjane
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Report this Post12-02-2016 09:56 PM Click Here to See the Profile for maryjaneSend a Private Message to maryjaneEdit/Delete MessageReply w/QuoteDirect Link to This Post
Which of these 3 guys has some experience with a detroit and which one of them is lyin out his butt?



Guess who is gonna have to find a new turbo?



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