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Old 03-17-2011, 01:33 AM   #11 (permalink)
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the fish

thank you

when any one mentions big mileage carbs i think of the Famous FISH .. i have heard of it all my life ...50 years more....

and did a little search and posted a few links,,

i do that

too true the last carb is not the fish but an SU [skinners union]

its what I run ..
on my machine
brand new

just a diagrammatic they up to date and in use
SU Carburetter - Wikipedia, the free encyclopedia
Technical Documents | SU - The SU Carburetter Company

i run a late edition SU HIF 44 .. some nice features in that carb , a bi-metallic senses fuel temp and adjusts,, .. some think the elegant analog hydrodynamics work as good [maybe ] as so so sophisticated computer driven fuel systems ... all analog . just works on the dynamic of the world not artificial reality of computer
metering fuel based on the reality of density altitude determined by hydrodynamics
a Plus Up to me is when the Big EMP [electro magnetic pulse ] comes along and scrambles all those new systems it still works..
run old points ignition too..
just a minor madness of mine i had a vision of the Shock Wave EMP washing down ..

it came in a dream .. it could happen tomorrow ..EMP fry all the computer stuff .. wave of energy inbound from a far star.. ..




im sorry but it is a constant reoccurring nightmare i have of this strong electro-magnetic wave .. arriving.....

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Old 03-17-2011, 06:29 AM   #12 (permalink)
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Readjust that tin foil hat. It will be alright.
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Old 03-17-2011, 06:44 AM   #13 (permalink)
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You will need to add a permanant magnet alternator to beat the EMP.
With a dead battery you will have no way to excite your alternator's field wiring.
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I can't understand why my MPG's are so low..........
21,000lb, 41' Toy Haulers are rough on FE!
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Old 03-17-2011, 06:03 PM   #14 (permalink)
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My '64 Spitfire originally had dual SUs. What a POS, and it should have gotten 50 mpg but was nowhere close.
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Old 03-17-2011, 06:12 PM   #15 (permalink)
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Quote:
Originally Posted by Frank Lee View Post
My '64 Spitfire originally had dual SUs. What a POS, and it should have gotten 50 mpg but was nowhere close.
With 2 carbs, that theoretically should get 400mpg.
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Old 03-17-2011, 06:18 PM   #16 (permalink)
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Where do people in here learn to do math??? Walmart? When you have 2 carbs, you have to square the number then multiply. According to my calcs, that would be 4 x 200 = 800 mpg. (plus er minus) Wind velocity being a big factor.
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Old 03-17-2011, 09:20 PM   #17 (permalink)
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Then there is the specific energy of the Gasoline itself that must be considered, I mean is there really enough chemical power in that gallon to transport a big ol thing 200 Miles?
1 Gallon ~36 kwh of chemical energy at the impossible 100% efficiency... no heat , sound ,vibrations, light from combustion, etc.... all 100% of the chemical energy goes to mechanical motion ... and there is no friction or losses of any kind to get that to the wheels.

To go 200 miles on that means no more than ~180 wh per mile... or ~5.55 miles per kwh.

If traveling no slower than 1 MPH that is a maximum of 180 Watts of power ... or about ~1/4 HP.

Traveling any faster than 1 MPH increases rolling resistance and aerodynamic drag... and reduces vehicle per mile efficiency.

The faster you travel your miles the more energy of your 180 wh per mile you could consume ... so if you averaged 2 mph you could consume as much as ~1/2 HP ... increasing linearly with speed ... while the aerodynamic losses increase exponentially with speed... you would have less than 50 HP to push you at speeds of 200 MPH.

If for a given vehicle we know the Aerodynamics profile ( Cd*A ) & Rolling resistance profile ( Cr*Weight) ... we can quantify the maximum speed ( under a given wind speed and slope conditions. )

We can make it easy for ourselves by using the donor vehicle spread sheet put together by the nice people at the diyelectriccar forum.

see attached file bellow.

A vehicle as light and aerodynamic as the Gen-1 Honda Insight operating at 100% efficiency 200 MPG ... would max out at about ~40 MPH with no slope and no head wind.

The largest energy consumer on the list ... the 1997-2005 Jeep Wrangler at 100% efficiency 200 MPG ... no head wind, and no slope ... would max out at about ~27 MPH.
Attached Files
File Type: zip VehicleEfficiencies.zip (9.4 KB, 46 views)
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Old 03-20-2011, 09:42 AM   #18 (permalink)
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here's your 200+ MPG Carb, too bad the vehicle is an RC Boat that weighs around 2 pounds. though i have to say 200+ MPG at 65 MPH is pretty good.

TowerHobbies.com | 21882010 AquaCraft Carburetor Complete .18
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Old 06-18-2011, 02:19 AM   #19 (permalink)
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200 mile carburetor exists

Greetings: This is my first post and I have noticed a bit of skeptism about the 200 mpg carburetor. I recently watched a movie called GasHole (2010) and I am a believer now. There has been many people saying that 200 mpg is impossible. BUT when Shell Oil does the experimenting and the writing of a book about it then I sit up and listen. Here is the link to the movie.....you'll have to be the judge yourselves of just how far one gallon of gas will actually take you.....
Seems to be alot of truth to this documentary.

Enjoy the documentary....

Watch GasHole (2010) Online | GasHole (2010) FilmIkZ | Online movies | Free Movies | Watch movies

I believe anything is possible if you can believe it. Don't believe all the nay sayers since they will always be disagreeing with everything.
regards,
Chancy
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Old 06-18-2011, 07:17 PM   #20 (permalink)
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...riiiight. Anything IS possible... in the realm of possiblity.

For the reasons stated above 200 mpg carb is impossible, unless the car is a 2 pound boat or the engine can obtain 100% efficiency and never hit freeway speeds.

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