07 May 2025, 13:10 [ UTC - 5; DST ]
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Post subject: Re: IO720 400hp twin turbo Comanche  Posted: 07 Nov 2020, 23:02 |
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Joined: 09/12/13
Posts: 10
Post Likes: +8
Aircraft: C195
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Username Protected wrote: What other airplanes had the IO-720? Mike Patey is putting a modified (for more power of course, since 400 hp is never enough) in a super custom overgrown Carbon Cub. Looks like he now has the engine installed and running. https://www.youtube.com/watch?v=0fUMXe13lfw
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Post subject: Re: IO720 400hp twin turbo Comanche Posted: 11 Nov 2020, 23:48 |
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Joined: 11/27/16
Posts: 2289
Post Likes: +3874
Aircraft: B17,18,24,25,29,58,
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Username Protected wrote: But wait! Everyone on BT always says you can never have too much power! The only thing better than too much horsepower is twice as much. It's kinda like teats. 
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Post subject: Re: IO720 400hp twin turbo Comanche Posted: 13 Nov 2020, 07:28 |
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Joined: 04/22/10
Posts: 1239
Post Likes: +2817
Location: Port Moresby and sometimes Brisbane
Aircraft: A36 Bonanza
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The Excaliber Queenair was an awesome aeroplane. I used to fly one in the early 90s - a great engine...not sure bolting one on a Comanche was a terribly great idea though.
I think the NA 260 Comanche was probably the pinnacle of that type. I think corrosion has killed the vast majority of them off.
_________________
Chuck Perry
A36 VH-EZU
B737-800NG
Redcliffe
QLd, Australia
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Post subject: Re: IO720 400hp twin turbo Comanche Posted: 13 Nov 2020, 09:44 |
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Joined: 12/02/15
Posts: 410
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Location: KBLM KAPF
Aircraft: Aerostar600A
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The 400 Comanche was built like rock and flew like a rocket!
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Post subject: Re: IO720 400hp twin turbo Comanche Posted: 13 Nov 2020, 09:55 |
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Joined: 01/19/16
Posts: 4022
Post Likes: +7409
Location: 13FA Earle Airpark FL/0A7 Hville NC
Aircraft: E33/152A
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Username Protected wrote: Charles,
Forgive my laziness. I can search or just "ask you'. What were the locations of the corrosion on the Comanches? I thought they were all corrosion proofed during construction.
Jg I have only seen serious corrosion affecting a Comanche on one occasion. It was on the main spar in the wheel well where the steel landing gear actuator cable support tripod bolts to it. It was inter granular but only occurred because the wing was sitting on the damp Florida ground outside for a number of years. The steel stabilator attach fitting is prone to rust but is a relatively easy item to source and replace. The PA23s were built with the same type of primer and essentially do not suffer airframe corrosion either.
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Post subject: Re: IO720 400hp twin turbo Comanche Posted: 13 Nov 2020, 12:08 |
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Joined: 04/22/10
Posts: 1239
Post Likes: +2817
Location: Port Moresby and sometimes Brisbane
Aircraft: A36 Bonanza
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Username Protected wrote: Charles,
Forgive my laziness. I can search or just "ask you'. What were the locations of the corrosion on the Comanches? I thought they were all corrosion proofed during construction.
Jg I think you're correct - I must be thinking about a different aircraft.   Perhaps early Mooneys?
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Chuck Perry
A36 VH-EZU
B737-800NG
Redcliffe
QLd, Australia
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Post subject: Re: IO720 400hp twin turbo Comanche Posted: 13 Nov 2020, 19:23 |
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Joined: 11/25/11
Posts: 9015
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Location: KGNF, Grenada, MS
Aircraft: Baron, 180,195,J-3
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Chuck, Mooneys had/have an issue with corrosion from water seeping in the side glass. It can be easily missed during a pre-buy. I always thought Comanches were just plain cool looking airplanes, but they seem to have an inordinate number of AD's. I'm sure that if you found one that had really been kept in top shape, it would make a good airplane. I've always wanted one but, then, I've always wanted just about every airplane I ever saw.  Jg
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Waste no time with fools. They have nothing to lose.
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Post subject: Re: IO720 400hp twin turbo Comanche Posted: 28 Jan 2021, 07:49 |
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Joined: 02/18/18
Posts: 126
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Aircraft: A-330
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Username Protected wrote: I know of a Glasair III with one on it. Yeow
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