[Gasification] OT - Six Stroke Engine

Bob Stuart bobstuart at sasktel.net
Sat Jun 2 11:51:58 CDT 2007


On 2-Jun-07, at 9:38 AM, Peter Singfield wrote:

>
> I have a strange idea similar to his -- but no cams at all -- no  
> valves -
> -except maybe one to purge at start up and shut down.
>
> I shall eventually try it with one of my small 3 HP air cooled  
> diesels --
> also take off the cooling fan and knocking the fins off.
>
> It will simply be a compression stroke into a super heat chamber --  
> full flow.
>
> Steam (or butane!!) vapor is compressed at 16 to one or more -- into a
> small diameter coil which is immersed in a low melting metal bath  
> (lead
> alloy) the metal bath heated by anything -- say my little cohune nut
> furnace with the 12 watt hair drier blower.
>
> The liquid metal bath holds temperatures dead on. No variations  
> allowed.
>
> So compress into that coil emersed into the bath -- vapor expands --
> pushing back on the piston's down stroke -- doing work -- cooling  
> vapor --
> then back up again -- repeat cycle.
>
> Throttling is achieved by restricting flow from cylinder to liquid  
> metal
> bath boiler.
>
> A bi-metal thermostat attached to liquid metal bath turns 12 watt  
> fan off
> and on.
>
> I know -- way to "simple" -- can ne3ver work -- eh??
>
> Tell me why it can't produce "work" -- anyone??

The working gas will have to be cooled by the cylinder walls as well  
as by expansion in order to have a useful pressure difference between  
the  compression and expansion strokes.

Best,
Bob Stuart






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