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Mark McClure wrote:
The 13b MSP is putting out exhaust temps of 1600F. So using the same principles in reverse, the remaining energy powers a compressor (turbo) and that air is then used to assist in the cooling. So the question is: What have I oversimplified?
Mark
There is so much about the rotary that is completely unexplored. An
option that I'm investigating with my installation is to have a blower
attached to the shaft between the engine and PSRU. The goals are:
- to make more of the propeller efficient by removing the high pressure
area from between it and the cowling
- remove that high pressure area at the nose and
- use it to increase manifold pressure
- increase the manifold pressure
- in a extremely simple and lightweight method.
I've seen the videos of people making jets out of turbos. I've not run
a single number, but it seems like it would be possible to duct the
output of a really thick radiator to the input of a large turbo. The
pressurized air would cool the turbo and get heated in return, then
combined with the exhaust to produce thrust. I do seem to remember
someone on this list doing an analysis and coming to the conclusion that
a "rotary jet" was not viable, but if you're getting a list of drag
reducing benefits, dealing with the exhaust (one of the worst pain
points we've had to deal with), AND getting some measurable thrust ...
you'll get listed as a hairy chested hero.
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