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Fuels and Alternative Fuels Materials or substances that can be used as a fuel, waste oils, vegetable oils or animal fats, which can be used alone, or blended with fossil fuels.

Fuels and Alternative Fuels

link adress to interesting article

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Old 10-08-2013, 06:36:08 PM
enginecrzy enginecrzy is offline
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Default link adress to interesting article

check this one out
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Old 10-11-2013, 07:35:53 AM
sprkplug sprkplug is offline
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Default Re: link adress to interesting article

That's a good old story....but that's all it is.
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Old 10-11-2013, 01:44:33 PM
PhilBurandt PhilBurandt is offline
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Default Re: link adress to interesting article

If you GOOGLE Pogues carb there is some interesting information on vapor carbs.
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Old 10-20-2013, 11:58:53 AM
dkamp dkamp is offline
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Default Vapor carbs are nothing unusual

Vapor carbs are NOT unusual... matter of fact, they're used every day... on every floor polishing machine, and over half the forklift trucks on the planet. All three of my backup generators, even my old Fairbanks-Morse ZC-118 has a vaporizing carbeurator.

The difference is, the fuel I'm using is LIQUID PROPANE.

The design suggestion of the Vaporizing Carbeurator does nothing that a liquid propane evaporator doesn't do... matter of fact, an engine running on propane VAPOR does it without any additional complexity- just picks it off a tap on the top of the tank, rather than withdrawl from the bottom... because Propane evaporates readily at any temperature above -30F.

That being the case, how is it that the simple concept of evaporation yields such a high result in fuel economy, when the same engine design cannot do such things with an already evaporated gaseous fuel like Propane?

The BTU output of a given pound of liquid propane, vs. liquid gasoline, is not a whole lot different. Using the Pogue claim, a one-gallon supply of liquid propane should get me at least 150 miles, but it doesn't.


Because it can't.

The only way one could get that measure of output, is if there was absolutely no waste heat, and absolutely no waste mechanical energy and noise... infinitely small rolling resistance, and no internal friction.

Consider the Toyota Prius, and other high-fuel-economy cars of today. They include engineering and materials unheard of in 1935. They have incredible reductions in aerodynamic coefficient of drag... and substantially lower rolling resistance. They seal tighter, generate less waste heat, and even less gear noise than say... a '37 Ford. The Ford thrashes air around with metal blades (drag design, BTW) all the time, the Prius has an electric fan that turns on ONLY when necessary... AND the blades are a LIFT design (not drag).

In comparison, place the two side-by-side on a level and flat polished shop floor. Release the brakes and give each one a push. I can push a Prius with a light lean from my hip. The '37 Ford, even in tip-top condition, requires two hands and a hefty lean. The Prius will keep rolling, the Ford will stop.

Why? Because the '37 Ford has more rolling friction in JUST it's TIRES... than the Prius has in it's WHOLE MACHINE.

And the Prius manages what... 50mpg on a good day?

Whoever believes that a late '30's full-bodied automobile can manage 200mpg simply by changing a carbeurator, has absolutely no concept of the amount of ancillary inefficiency that exists in a machine, no understanding of thermodynamics, and no competency in simple mathematics.
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Old 10-20-2013, 12:24:33 PM
Handlebar99 Handlebar99 is offline
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Default Re: Vapor carbs are nothing unusual

The "200 mpg" car is an urban legend that has been around for longer than most of us on this site. Some folks out there would still have you believe in the tooth fairy, too. 50 years ago guys would come into the shop and tell this tale--typically they were the same guys who couldn't tell a gas cap from a hubcap. Now, with the internet, this legend just gets propagated more easily.

Ray Rice, still the skeptic, in Rifton
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Old 10-20-2013, 12:25:12 PM
Power Power is offline
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Default Re: Vapor carbs are nothing unusual

The Ford thrashes air around with metal blades (drag design, BTW) all the time, the Prius has an electric fan that turns on ONLY when necessary... AND the blades are a LIFT design (not drag).

What is the difference?
How do the blades look?
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