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924aussie
Joined: 02 Feb 2006
Posts: 1009
Location: Chinchilla Queensland Australia
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 Posted: Sun May 20, 2007 11:33 pm Post subject: |
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just like one of the back to the future movies ...
drop in the pellet and away you go
Alan
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green 924 .. 1980 rego 924PSH
1998 Mopar Neon ... sick
2003 Challenger / Montery 4WD
1995 Hyundai Scoupe ... sold
1998 Nissan Silvia ... sons back from OS he has taken it
BIG BLOODY MOTORHOME 300zx Sold
1980 Fire truck Sold |
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Paul
Joined: 02 Nov 2002
Posts: 9491
Location: Southeast Wisconsin
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| Posted: Mon May 21, 2007 12:08 am Post subject: |
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Nah, we've got to save our beer cans!!!!
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White 87 924S "Ghost"
Silver 98 986 3.6l 320 HP "Frank N Stein"
White 01 986 "Christine"
Polar Silver 02 996TT. "Turbo"
Owned and repaired 924s since 1977
Porsche: It's not driving, it's therapy. |
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Mike924
Joined: 12 Aug 2004
Posts: 2601
Location: IoW UK
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| Posted: Mon May 21, 2007 5:01 pm Post subject: |
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| debitspread wrote: | In fact, all I want to do is get to work and back without relying on the oil industry.
And by the way: I WORK in the oil industry... |
Now that is worrying! 
| Quote: | | New fuel for 21st century -- aluminum pellets?... |
I don't see where the energy comes from here. Is it in the aluminium? I'll need to look into this...
_________________
1985 Porsche 924 'Lux', Kalahari Beige (my ex)
1993 Porsche 968 Coupe, Midnight Blue, 6 spd
'There is no substitute for a little grease under your fingernails.' - Chrenan, 924board.org |
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924aussie
Joined: 02 Feb 2006
Posts: 1009
Location: Chinchilla Queensland Australia
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| Posted: Mon May 21, 2007 7:07 pm Post subject: |
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Got this link from a Motorhome group
http://www.zytekgroup.co.uk/Default.aspx?tid=127
Alan
_________________
green 924 .. 1980 rego 924PSH
1998 Mopar Neon ... sick
2003 Challenger / Montery 4WD
1995 Hyundai Scoupe ... sold
1998 Nissan Silvia ... sons back from OS he has taken it
BIG BLOODY MOTORHOME 300zx Sold
1980 Fire truck Sold |
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flosho
Joined: 01 Jul 2004
Posts: 3160
Location: Eau Claire, Wisconsin
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| Posted: Tue May 22, 2007 3:31 am Post subject: |
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This weekend I made a 280 mile round trip in the 931... Burned about half a tank, just on the way home. I filled up in town at $3.49 a gallon for premium... 
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[This Space For Rent] |
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Min
Joined: 04 Nov 2002
Posts: 2368
Location: Vernon, British Columbia, Canada
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| Posted: Tue May 22, 2007 7:20 am Post subject: |
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| Mike924 wrote: | | I don't see where the energy comes from here. Is it in the aluminium? I'll need to look into this... |
Comes from the water, they spray water on the aluminum alloy pellets, and it seperates the hydrogen from the oxygen in the water. Apparently.
Min
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Custom means it didn't come from a box.
1980 n/a with EDIS and Megasquirt II Injection. 7 different colors and counting. |
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Martijnus
Joined: 29 Dec 2006
Posts: 2019
Location: Netherlands
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| Posted: Tue May 22, 2007 8:38 am Post subject: |
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The trick, I think, is to get it to be efficient...
I'd go lotus style and reduce weight a lot... but that way you probably don't want to buy a porsche.
Interesting plan... if you think you can build it.....do it  that's how I always think... and in most cases I succeed
_________________
"Rule: Turbo's make torque, and torque makes fun." (C. Bell)
924 "50-jahre", 1981.
MSII/extra, LPG, ITB's, 5lug.
To be turbo'ed in a while.
Killed her at the Nurburgring, Porscheless at the moment  |
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924aussie
Joined: 02 Feb 2006
Posts: 1009
Location: Chinchilla Queensland Australia
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| Posted: Tue May 22, 2007 10:24 am Post subject: |
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| Quote: | 1999 Eyewitness Video - EV Beats Dodge Viper in Drag Race
Source: Danny Ames via EVDL / YouTube
(12/16/2006)
Still think electrics are slow? If so, Danny Ames posted this quarter-mile race video which just might change your mind. If you listen carefully you'll hear the announcer state the red electric car's speed of 85 MPH at the 1/8 mile mark.
The electric Rx7 was built and driven by Roderick Wilde of EV Parts fame. Ames recorded the video during a 1999 NEDRA event in Woodburn, Oregon.
We're not sure who was in the Viper but they probably don't want people to know anyway. :^) |
http://www.megawattmotorworks.com/display.asp?dismode=article&artid=330
And thats 8 years ago
Alan
And they also have 130mph electric dragsters
Editor's Note: In case you're wondering, this drag vehicle has 6 wheels, 8 motors, a 2000 amp motor controller, and 880 A123 battery cells. It did the quarter mile in 10.9 seconds.
_________________
green 924 .. 1980 rego 924PSH
1998 Mopar Neon ... sick
2003 Challenger / Montery 4WD
1995 Hyundai Scoupe ... sold
1998 Nissan Silvia ... sons back from OS he has taken it
BIG BLOODY MOTORHOME 300zx Sold
1980 Fire truck Sold |
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Mike924
Joined: 12 Aug 2004
Posts: 2601
Location: IoW UK
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| Posted: Tue May 22, 2007 5:02 pm Post subject: |
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| Min wrote: | | Mike924 wrote: | | I don't see where the energy comes from here. Is it in the aluminium? I'll need to look into this... |
Comes from the water, they spray water on the aluminum alloy pellets, and it seperates the hydrogen from the oxygen in the water. Apparently. |
When you burn hydrogen, you end up with water. Water is the 'ash' left over from burning hydrogen. You can't run an engine on ash.
When you oxidize aluminium you get (logically enough) aluminium oxide (Al2O3), which is sapphire. It's too good to be true...!
_________________
1985 Porsche 924 'Lux', Kalahari Beige (my ex)
1993 Porsche 968 Coupe, Midnight Blue, 6 spd
'There is no substitute for a little grease under your fingernails.' - Chrenan, 924board.org |
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Tigger937
Joined: 11 Apr 2004
Posts: 919
Location: PCA Milwaukee Region
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| Posted: Thu May 31, 2007 3:53 pm Post subject: |
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........for those of you who don't like the aluminum pellets, how about air? 
| Quote: | Air-Car Ready for Mass Production
By Bob Ewing
The world’'s first commercial compressed air-powered vehicle is rolling towards the production line. The Air Car, developed by ex-Formula One engineer Guy Nègre, will be built by India’s largest automaker, Tata Motors.
The Air Car uses compressed air to push its engine’s pistons. It is anticipated that approximately 6000 Air Cars will be cruising the streets of India by 2008. If the manufacturers have no surprises up their exhaust pipes the car will be practical and reasonably priced. The CityCat model will clock out at 68 mph with a driving range of 125 miles.
Refueling is simple and will only take a few minutes. That is, if you live nearby a gas station with custom air compressor units. The cost of a fill up is approximately $2.00. If a driver doesn't have access to a compressor station, they will be able to plug into the electrical grid and use the car’s built-in compressor to refill the tank in about 4 hours.
The compressed air technology is basically just a way of storing electrical energy without the need for costly, heavy, and occasionally toxic batteries. So, in a sense, this is an electric car. It just doesn't have an electric motor.
But don't let anyone tell you this is an "emissions free" vehicle. Sure, the only thing coming out of the tailpipe is air. But, chances are, fossil fuels were burned to create the electricity. In India, that mostly means coal. But the carbon emissions per mile of these things still far outdoes any gasoline car on the market.
Unfortunately, the streets of North America may never see the Air Car, though; it's light-weight, glued-together fiberglass construction might not do so well in our crash tests. However, that does not mean the Air car is confined to the sub-continent. Nègre has signed deals to bring its design to 12 more countries, including Germany, Israel and South Africa.
And this isn't the last we'll hear of the technology. The folks making the Air Car are already working on a hybrid version that would use an on-board, gasoline-powered compressor to refill the air tanks when they run low. Negre says that technology could easily squeeze a cross country trip out of one tank of gasoline.
A variety of videos (of varying quality) on this technology can be found on YouTube, or after the jump.
Via: Popular Mechanics
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http://www.popularmechanics.com/automotive/new_cars/4217016.html
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1981 931 (Concours)
1982 931 (Daily Driver)
"Think outside the box" |
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924aussie
Joined: 02 Feb 2006
Posts: 1009
Location: Chinchilla Queensland Australia
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| Posted: Mon Jun 04, 2007 11:25 pm Post subject: |
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| Quote: | IT WAS LIKE FRANKENSTEIN, only faster. JB Straubel, in 1999 an emerging superstar in Stanford University's school of engineering, had been haunting the student machine shop, fabricating parts for his '84 Porsche 944 from midnight until 4 in the morning. Working by trial and error, he developed his own power controller and charger. He mated together two electric motors with a homemade coupler and belt system. He gutted the car and crammed in 840 pounds' worth of lead-acid batteries. Start to finish, the project took him a year.
By early 2000, Straubel had taken a piece of once-state-of-the-art German engineering and transmogrified it into a pretty advanced science-fair project: The World's Fastest Electric Car. Or so he hoped. With 180 kilowatts at his disposal (about 240 horsepower), the car had enough power, he estimated, to set an electric-vehicle world record for the quarter mile. Just one problem: Total range was 20 miles. What good is it, he figured, to build an all-electric emission-free dragster, if you're just going to tow it to the racetrack on the back of a big truck?
And so Straubel set about doing what any driven, somewhat obsessive-compulsive engineering graduate student would do. He bought a Volkswagen Beetle for $500, chopped it in two with a shop saw, and used a trailer hitch to attach the back half—the part with the engine and driven wheels—to the rear of the Porsche. He ran a remote throttle and ignition from the VW to the Porsche's driver's seat. From there, he sat and steered while his mongrelized single-axle trailer pushed the 944 down the road.
“ I drove it 800 miles to Oregon,” Straubel says. The problem was not the obvious potential for jackknifing. Rather, it was that while he was up ahead in the Porsche, the clutch and stick shift were back in the VW. “I'd leave it in third or fourth gear and start off under the Porsche's power,” he recalls. “The VW would lug and make all these terrible noises until I got up to speed. Then I'd turn on the ignition, and it would start running and pushing the Porsche. That was a hell of a trip.”
The Porsche did eventually break the world record for the electric-vehicle quarter mile—17.278 seconds at 79.14 mph, set at Silent Thunder 2000, a National Electric Drag Racing event in Sacramento, California. Today Straubel finds that time embarrassing. His latest all-electric creation is faster off the line than a 510-horsepower Lamborghini Gallardo. More important, it can run 250 miles between charges, not 20, in large part because it's powered by laptop batteries. And beginning later this year, anyone with $100,000 can buy one straight off the assembly line.
Straubel has proven that he can build an electric car that's as good as gas—one that doesn't sacrifice power, range or speed. But does that mean the Tesla Roadster heralds a new era of electric vehicles on every street corner, as he believes? Or will the Tesla, impressive as it is, be remembered as just another electric-vehicle science-fair project? |
Why waste a VW ... should have cut a 911 in half 
Alan
_________________
green 924 .. 1980 rego 924PSH
1998 Mopar Neon ... sick
2003 Challenger / Montery 4WD
1995 Hyundai Scoupe ... sold
1998 Nissan Silvia ... sons back from OS he has taken it
BIG BLOODY MOTORHOME 300zx Sold
1980 Fire truck Sold |
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geddes66
Joined: 10 May 2003
Posts: 129
Location: Bakersfield CA
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| Posted: Sat Jun 23, 2007 12:57 pm Post subject: |
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The Aluminum-Gallium pellets are simply voracious comsumers of oxygen.
Normally, Aluminumis coated with a microscopic film of oxide. This protects it from further oxidation. HOWEVER, mixing it with the Gallium stops this film form forming.
In water they rip out the oxygen atoms leaving the hydrogen for combustion. The "energy" involved is sort of built in during the manufacture of the Aluminum. Which is why making (de-oxidizing the raw material) Aluminum is such a consurmer of energy and recycling it conserves so much energy.
The issues are: The amout of energy needed to create the A-G pellets.
The Aluminum-oxide chemically may be "saphire" but physically is white mud/paste which will need to be disposed of.
The residue would not be recycleable Aluminum, it is Aluminum oxide. This will require as much energy as the creation of "new" raw Aluminum to "recycle" the residue.
The cost of the Gallium. I don't know its cost or how much is needed, but it don't sound cheap.
In Short, depending on the energy released compared to the energy (money) consumed this is a non starter. Remember to consider disposal of the Al-Oxide waste byproducts.
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The Porsche is now my son's, my car is cooler, slower but cooler. |
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Mike924
Joined: 12 Aug 2004
Posts: 2601
Location: IoW UK
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| Posted: Tue Jun 26, 2007 5:20 pm Post subject: |
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You raise some good points, there, Geddes.
Principally, (and this is what few people seem to understand) is that it doesn't matter what type of fuel you use or how you convert it into motive power (combustion, electric, etc), it the energy that matters. Herr Einstein told us that energy cannot be created or destroyed. The 'fuel' is simply a means of carrying the energy. The energy still has to come from somewhere.
The problem with automotive applications is not finding the energy, but finding a fuel with sufficient energy density; i.e. packing 300+ miles' worth into a fuel-tank sized space. And this, believe it or not, is the main reason cars run on gasoline. Very little else packs that amount of energy into such a small amount of space.
Batteries come close, but are very heavy. Hydrogen, being a gas, is pathetic in terms of energy density, unless it's compressed; again, adding to the weight. People have thought about this for over a century and no-one has come with a better solution than our old favourite - gasoline.
_________________
1985 Porsche 924 'Lux', Kalahari Beige (my ex)
1993 Porsche 968 Coupe, Midnight Blue, 6 spd
'There is no substitute for a little grease under your fingernails.' - Chrenan, 924board.org |
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