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DIMS 06-02-2010 09:32 PM

Interesting Ideas for the future
 
Technology Review: Reinventing the Gasoline Engine

cfg83 06-02-2010 09:48 PM

DIMS -

From page 2 :

Quote:

In the version designed to replace conventional gasoline engines, the diesel fuel is replaced with gasoline that's mixed with an additive to make it more reactive, improving ignition of the fuel. Instead of having two fuel tanks, the car needs only one gasoline tank and a small reservoir the size of a window-washing-fluid bottle to hold the additive. Ordinary gas is injected by the port injector, and gas mixed with the additive is injected directly into the chamber. The result is an engine that's 45 percent efficient, compared to about 30 percent efficient for conventional gasoline engines.
What would the additive be?

CarloSW2

Big Dave 06-02-2010 10:42 PM

55% efficiency?

Exceeding Carnot efficiency?

Color me skeptical.

mpgx2 06-02-2010 11:49 PM

Idea's for the future? catch up with the past first (376mpg)
 
Way back in 1973 it was possible to get 376mpg. That
was in the guiness book of records from back then.

Some experimenters were able to get 200+ mpg back
then.

That was before aircon, automatic door locks, airbags
and efi.

Anyway, we all know it's not easy to get any dramatic
increases without dramatic enhancements.

Just google "376 mpg" and see what comes up.

It's interesting reading and it would be lovely to see
this on a nearby car in the near future.

Frank Lee 06-03-2010 02:09 AM

Ha Ha, we know what comes up with "376 mpg". :rolleyes:

In layman's terms, that would be "a hoax".

mpgx2 06-03-2010 04:22 AM

The car is apparently now for sale in the United States. Previous
owners posted this note on the internet.

BEWARE!!!!
It has come to our attention that this vehicle
is now being offered for sale,
with a CLAIM THAT IT IS ROADWORTHY
DON''T BE MISLED
This vehicle is designed to get good fuel
economy using a tiny Tillotson lawnmower
carburetor, and does not have power to climb
a grade, or run in stop and go traffic.

Although a nice piece of History, this single
seat car with NO suspension will not satisfy
your commuting needs....nor is there any great
secret that will help you get miraculous fuel
mileage.

--

from the promotional videos and internet photo's
that I've seen all the above caveats seem
appropriate.

376mpg yes, but only on a flat track and 0-50mph
in quite a long time..

Anyway, its not my car, I'm not selling it. There's
no hoax that the car is up for sale.

user removed 06-03-2010 09:16 AM

Argonne Labs is working on a combination of individual improvements with the goal of 60%+ efficiency.

Non reciprocating designs
Variable compression
The TSI design allows 80to1 mixture ratios and no after treatment

Also power train improvements that incorporate hypermiling driving techniques in the vehicle itself.

regards
Mech

Frank Lee 06-03-2010 10:32 AM

Enjoy!

http://ecomodder.com/forum/showthrea...past-9397.html

Big Dave 06-03-2010 07:05 PM

How are they claiming 60% efficiency?

If you know jack about the second law of thermodynamics, you are familar with the theoretical Carnot cycle. It is the most efficency possible engine until somebody disproves the Second Law. The max efficiency on the Carnot cycle is 50%.

Anything beyond 50% is a scam.

NiHaoMike 06-03-2010 08:08 PM

Quote:

Originally Posted by mpgx2 (Post 177395)
376mpg yes, but only on a flat track and 0-50mph in quite a long time..

2502 Miles 299MPG in a Prius II PHEV! - CleanMPG Forums
299MPG on ordinary roads in a street-legal car capable of highway speeds. Just use modern technology.

Green Hummer Project: Home
Infinite MPG with ancient technology, but it only goes 15MPH.


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