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BobsV35B(at)aol.com
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 Posted: Thu Oct 30, 2008 3:52 am Post subject: auto engines. Was: AC-680 FLP Engine RPM Fluctuation |
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Good Morning jb,
I have no doubt that what you say is true, but it was presented to the Beechcraft world as a replacement engine for the King Air. A couple of my friends have (now 'had'!) Turbo Commanders and it was also discussed in their world. When it was discussed within those groups, the interest was as I reported. No doubt other groups felt differently.
Since I am certain I will never be able to afford a King Air, Turbo Commander, or even a non turboed Commander, the whole idea was and is to me, merely an intellectual curiosity.
Like most wannabes, I am always interested in new ideas that may provide better motive power than is now available. After watching the development of automobile engine powered aircraft for many years, I have come to the point where I still hope all the new thinkers well, but I fear there is no free lunch.
Happy Skies
Old Bob
AKA
Bob Siegfried
Ancient Aviator
628 West 86th Street
Downers Grove, IL 60516
630 985-8502
Stearman N3977A
Brookeridge Air Park LL22
In a message dated 10/30/2008 12:03:57 A.M. Central Daylight Time, yourtcfg(at)aol.com writes:
| Quote: | That may be true, but the ORENDA project, as conceived by Dick Macoon, was not intended to compete with turbines. They were replacements for the recip fleet. The test airplane was a 685, piston Commander, not a turbo Commander.. They were also certified on the single otter, replacing the geared 1340. jb
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[quote][b]
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cschuerm(at)cox.net
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| Posted: Thu Oct 30, 2008 4:13 am Post subject: auto engines. Was: AC-680 FLP Engine RPM Fluctuation |
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BobsV35B(at)aol.com wrote:
| Quote: | After watching the development of automobile engine powered aircraft
for many years, I have come to the point where I still hope all the
new thinkers well, but I fear there is no free lunch.
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Yup.... exactly.
I think the effort made by Honda a few years back was very telling of
the realities of aircraft engines. They announced that they were going
to undertake a well funded "clean slate" engine design. No
preconceptions on any aspect - everything would be evaluated. So, after
years of R&D and millions of dollars, what did some of the worlds best
engine engineers come up with???
A large bore, direct drive, 360 cid 4 cylinder air cooled opposed engine
that made around 180hp. Basicly, a clone of the Lycoming IO-360 but
prettier. Says a lot, eh?
chris
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