[Amc-list] How about no fuel at all?

[Jim Blair <carnuck@xxxxxxxxxxx>]

Jim Blair, Lynnwood, WA '87 Comanche, '83 Jeep J10, '84 Jeep J10


> Date: Wed, 21 Nov 2007 11:22:57 +0000
> From: airpoweredvehicles@xxxxxxxxxxxxxxx
> To: airpoweredvehicles@xxxxxxxxxxxxxxx
> Subject: [airpoweredvehicles] Digest Number 227
> 
> There is 1 message in this issue.
> 
> Topics in this digest:
> 
> 1. Lee rogers air car profect - sourcing parts need, plz help guys    
>     From: ashtweth_nihilistic
> 
> 
> Message
> ________________________________________________________________________
> 
> 1. Lee rogers air car profect - sourcing parts need, plz help guys
>     Posted by: "ashtweth_nihilistic" ashtweth@xxxxxxxxx ashtweth_nihilistic
>     Date: Tue Nov 20, 2007 4:31 pm ((PST))
> 
> Greetings to all, as you know we have posted the idea we have open
> sourced in the file sections, we are ready to begin this project and
> have every thing ready to go. Guys we need help with sourcing some
> valves if not then we may need to get them customary done.
> 
> Guys here are the details and some theory for builders, please let me
> know if you have any advice for the valves we can then build this for
> the group!
> 
> --------------------------------------------------------
> 
> "I have a 3 cylinder 4 stroke engine and a lot of that pneumatic
> stuff, but no valve that is able to withstand 40 bar pressure and
> which is able  to open and close within some few milliseconds"
> 
> --------------------------------------------------------------
> 
> Lee rogers Air car principle:
> 
> Have a look for Joule-Thomson-Effect!
> Read carefully!
> 
> Idea is to let HEAT do the job...move the piston...drive the turbine
> blades, and heat does the job, if you let
> ********************************************************
> A GAS EXPAND IN UNDER PRESSURE REGION WHILE IT DOES WORK
> ********************************************************
> LR'S engine had problems if driven below 2000 RPM. The reason is
> simply, that piston movement was to slow, compared to expansion of
> injected air, so heat didn't the job, but pressure did. Think about
> it. The key is that simple. I can't understand why we
> couldn't see it all the time. Don't get caught from vortex too much.
> Vortex is an ideal heat-to-directed-movement-transformer, but not much
> more (in this case), so first understand its principle, and then
> understand that you can have similar effects without a vortex as well.
> You don't need a 1:1 tornado-model to get energy from heat.
> All you need is LR and a source for the damned valves!
> 
> LR ist simple, and the patent explains all very well.
> The compressor is not a special one. This part has to be designed
> simple in a low-losses-manner. The key is, that energy out (air
> injection -> work) and energy in (re-compression) are not equal
> events. Compression happens like described in schoolbooks, where we
> need the formula 
> *************
> pxV = nxRxT
> *************
> But at the other side we have air INJECTION. Here comes
> Joule-Thomson-Effect into play, where air releases MORE
> energy towards piston due to EXPANSION of INJECTED air into a RECEDING
> medium. Thats the key that no one seems to notice. The air cools down
> much more due that, than you would calculate with the formula above.
> Backpumping that cold and dense air makes unit selfsustain.
> In a sense its easy stuff. You have to insulate the high pressure
> chamber thermally, and you may have a pressure offset from exhaust
> back to compressor, a pressure above 1at, so that the compressor does
> not have to pump from "0" bar, and you can design this "pipe" like a
> heat exchanger, so you are able to gain HEAT from environment again,
> to push up the pressure/volume of the precompressed air. The injector
> valves have to be as near as possible to the cylinder.
> 
> 
> I have a 3 cylinder 4 stroke engine and a lot of that pneumatic stuff,
> but no valve that is able to withstand 40 bar pressure and which is
> able to open and close within some few milliseconds. And as soon all
> parts are there, it will need some experimentation and optimization,
> as soon all is done right. An overall pre-calculation ist not easy
> done, as lot of parameters are moving targets, and a lot depends on
> RPM, injection timing, duration and amount.
> 
> PS: If you know how I could get some valves, please let me know. It
> would be a great help, man.
> 
> 
> 
> 
> 
> Messages in this topic (1)
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