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- Path: sparky!uunet!ogicse!emory!kd4nc!ke4zv!gary
- From: gary@ke4zv.uucp (Gary Coffman)
- Newsgroups: sci.energy
- Subject: Re: More External-Combustion Info
- Message-ID: <1992Nov18.195653.12878@ke4zv.uucp>
- Date: 18 Nov 92 19:56:53 GMT
- Article-I.D.: ke4zv.1992Nov18.195653.12878
- References: <1992Nov17.071642.22601@leland.Stanford.EDU> <1992Nov17.180135.25760@kakwa.ucs.ualberta.ca> <1992Nov17.204353.12036@bsu-ucs>
- Reply-To: gary@ke4zv.UUCP (Gary Coffman)
- Organization: Gannett Technologies Group
- Lines: 37
-
- In article <1992Nov17.204353.12036@bsu-ucs> 01crmeyer@leo.bsuvc.bsu.edu (Craig Meyer) writes:
- >> 3. As long as the lubricant is immiscable with water, I don't see a problem.
- >> A sump, a centrifugal filter, a final separation filter.
- >
- >AHA! So all those devices are availalbe off-the-shelf, eh?
-
- But wet steam is it's own lubricant.
-
- >> 5. Good insulation around the engine would help efficiency. The closer the
- >> engine is to the temperature of the working fluid, the less energy you lose
- >> to heating metal.
- >
- >I'd worry of hurting the engine. What if the condensed water was used to
- >"cool" the engine? That way, you'd recover a lot of the heat used to heat
- >the metal.
-
- And give it right back on the next pass. Keeping the engine hot is an
- efficiency improver.
-
- >I'm looking at diagrams and theorizing how the rotary engine could be adapted
- >to steam use. It would mean a having a gear train, in the form of two exhaust
- >and two intake valves per rotor.
- >
- >The advantages of a rotary would be:
- > small size (more room for boiler)
-
- The piston isn't that large either, and the boiler is tiny.
-
- > simplicity (albiet offset by the geartrain)
-
- Not as simple as the piston.
-
- > having one power stroke for every rotation
-
- The piston has *two* power strokes per revolution, it's double acting.
-
- Gary
-