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#1
04-08-2011, 08:44 PM
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I recall reading that a 617 weighs around 450 lbs, so even with some minor mods, you're still looking at 3 lbs/hp. I'm pretty sure this is impractical for aviation use.
I don't fly, but I was lucky enough to get a little stick time in a T-34 Mentor some years ago. The pilot showed me how to do an aileron roll, and then he let me do one. It was pretty fun. That same month, I got even less stick time in an SH-60. The pilot took us up and had me try to hover. Not anywhere near as easy as it looks. I had aspirations of becoming a Cobra pilot in the Marines, but stuff happened and I ended up elsewhere doing other things. If I had money to burn, I'd probably get my private pilot license, but at the moment, I don't have money to burn.
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Whoever said there's nothing more expensive than a cheap Mercedes never had a cheap Jaguar. 83 300D Turbo with manual conversion, early W126 vented front rotors and H4 headlights 401,xxx miles 08 Suzuki GSX-R600 M4 Slip-on 26,xxx miles 88 Jaguar XJS V12 94,xxx miles. Work in progress. 99 Mazda Miata 183,xxx miles. 
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#2
04-08-2011, 08:53 PM
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I would estimate a 617 turbo will go well over 500#. I bet a 240 na will go 450#.
IIRC the Zeppelins of the thirties had large displacement aluminum diesels powering their props.
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[SIGPIC] Diesel loving autocrossing grandpa Architect. 08 Dodge 3/4 ton with Cummins & six speed; I have had about 35 benzes. I have a 39 Studebaker Coupe Express pickup in which I have had installed a 617 turbo and a five speed manual.  [SIGPIC]..I also have a 427 Cobra replica with an aluminum chassis.
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#3
04-08-2011, 09:04 PM
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"IIRC the Zeppelins of the thirties had large displacement aluminum diesels powering their props."
Wow, that sounds interesting.. wonder who made them? I'll have to search on that on. I guess your near Purdue where "they" are researching an unleaded fuel for avgas.
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1985 300SD 1998 Jetta TDI Previous: lots of diesel VW's, MB's, KW's, Pete, Freightliner Walking isn't a lost art: one must, by some means, get to the garage.
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#4
04-08-2011, 09:47 PM
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Do a google search. "They" have a mercedes based diesel aviation powerplant. All I remember is FADEC controls.
I love PA-28-140's. You can get them pretty cheap. Fuel prices will kill general aviation. Enjoy it while you can.
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08 R320 CDI current Past 95 E420 87 300D Turbo 5spd 90 300TE 83 300SD 85 300TD 92 400E 85 190D
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