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Supersonic private plane

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Supersonic private plane

Old 25th Jun 2019, 09:15
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Supersonic private plane

Hello
I have tried to google this surprisingly to no avail so I guess this would be the place to ask.
I am looking for information about an 80's (?) project of a supersonic private aircraft. I'm sure that 2 or 3 prototypes were built and flown (with at least one cashing with an in-flight structural failure).

Any pointer most welcome.
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Old 25th Jun 2019, 09:39
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Viper Jet...??




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Old 25th Jun 2019, 10:57
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The Bede BD-10J/Peregrine Falcon I think is what you are referring to. Five built, three crashed...
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Old 25th Jun 2019, 11:46
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There was also the British design known as the CMC Leopard.
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Old 25th Jun 2019, 13:29
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Originally Posted by treadigraph View Post
The Bede BD-10J/Peregrine Falcon I think is what you are referring to. Five built, three crashed...
Yes that was the one I had in mind - thanks
Didn't realise it never matched the announced specs...
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Old 25th Jun 2019, 18:55
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Originally Posted by ShyTorque View Post
There was also the British design known as the CMC Leopard.
Ian Chichester-Miles did not design it for supersonic flight so not this topic.
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Old 25th Jun 2019, 20:19
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I'm not surprised that three out of five Bedes crashed.
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Old 26th Jun 2019, 10:05
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So doing more research it turns out is that supersonic was never reached from any of those designs?
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Old 28th Jun 2019, 08:38
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BD-10 seemed to have enough problems subsonic...

The CMC Leopard is one of those might have beens. I recall watching the prototype getting airborne in a rather protracted manner at Farnborough on the original engines, with the projected engines might have been quite something. But then I guess all the mini bizjets now proliferating are cabin class. But then there was the PiperJet...
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Old 28th Jun 2019, 14:08
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I don't think either of those were meant to be anywhere near supersonic.
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Old 28th Jun 2019, 19:05
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I'd have to agree with atakacs. With all the concern about Concordes sonic boom and the obvious lack of range of these private types supersonic flight was clearly out of the question.
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Old 28th Jun 2019, 20:12
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One of the pilots at Down East International used to commute to work in an F-104, not sure if that counts.
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Old 28th Jun 2019, 21:10
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Blossy,

The intensity of a shock compression wave depends upon the size of the aeroplane.

What sort of so-called "boom" does a high velocity bullet produce ?

I have no idea of the number of times I have flown myself in excess of M1.
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Old 28th Jun 2019, 21:40
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As already said the CMC Leopard was not a supersonic design but I thought, mistakenly perhaps, the BD-10J was.

DRUK, F-104 commute? Darryl Greenamyer? Or my gliding instructor who test flew WGAF F-104s as a day job...
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Old 29th Jun 2019, 06:35
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Originally Posted by treadigraph View Post
DRUK, F-104 commute? Darryl Greenamyer? Or my gliding instructor who test flew WGAF F-104s as a day job...
None of the above.



Cowboy McCloskey, second from the right, next to the eponymous Ace McCool.
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Old 29th Jun 2019, 09:57
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Ah, not familiar with them! I see they are forming the vanguard of the queue!
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Old 29th Jun 2019, 20:23
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Slight thread drift, but many predict the next supersonic passenger aircraft will in fact be a biz jet - catering to the 1% (or more precisely, the 0.01%) for whom cost is no object. Not only is a biz jet not subject to the same financial limitations as a commercial airliner, the regulations are a bit more relaxed in several areas that would be relevant for a supersonic aircraft.
My educated guess is that we'll see a supersonic biz jet in service in the next ten years or so.
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Old 29th Jun 2019, 20:30
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Just having a look, BD-10J was intended to reach Mach 1.4.
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Old 29th Jun 2019, 21:42
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dook: [color=left=#222222]What sort of so-called "boom" does a high velocity bullet produce ?

A very high and loud crack. Not in the least pleasant.

I have also been supersonic a few times. Total non-event inside.[/color]
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Old 30th Jun 2019, 19:06
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Originally Posted by treadigraph View Post
he CMC Leopard is one of those might have beens. I recall watching the prototype getting airborne in a rather protracted manner at Farnborough on the original engines, with the projected engines might have been quite something. But then I guess all the mini bizjets now proliferating are cabin class. But then there was the PiperJet...
Saw one in the shed at Bedford. Amazed at the small size of the engine intakes. The wing and fuselage skin was like a high performance car and the front seat beautifully contoured leather. Back seats I think were similar but crammed with instruments. No idea why they didn't persevere with it, probably because the really rich wanted even more comfort .
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