Old business jet aircraft

Jemiba

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Oh yes, the Jetstar 3 was shown in Aviation Week 1969 14-18, too:
 

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Mark Nankivil

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I rather like the looks of the Tri-JetStar.....

Enjoy the Day! Mark
 

archipeppe

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Instead I found out this interesting story:

Donald Douglas, founder of the company with the same name, talked with Piaggio to explore his avilability to design and plan a jet executive aircraft. Ed Heinemann, famous designer at Douglas for the US Navy, designed a preliminary project, called D-808, of an imbarked plane for executive commuting, for the US Navy, but he didn't want to bear the whole investment, necessary for the project: he was interested to buy circa 200 planes, if Douglas had developed a civil version. Donald Douglas believed not to be prepared to maintain on the market an aircraft with an usage so different from traditional liners, but declared himself ready to nominally participate to the project, and charged Heinemann to contact other manufacturers. He tried to involve Northrop, that said that the best company for that purpose was the Piaggio of Genua. Ing. Casiraghi talked of the project with Ing. Piaggio, that, after having contacted Italian Air Forces, gave his OK. The agreement between Armando Piggio and Donald W. Doulas was reached in april 1961: the Italian company had to plan and manufacture in his plants all the aircrafts for the US Navy. Douglas did not invest any money, but gave Piaggio all the necessary know-how for free. A little team of Douglas' engineers was deployed in its El Segundo plant, where Heinemann's office was, at Piaggio disposal.

Obviously we are talking about the Piaggio PD 808 (that still mantains the "D" for Douglas), proposed as "Italian Bizjet" in mid 60's, it suffered the concurrency of Learjets (and also others) and it was utilized for a long time by AMI (Italian Air Force) as general purpose aircraft and also as electronic warfare platform as well.
 

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MIRAGE 4000

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You could see the Aerospatiale "Corvette 300" (Corvette with 3 motors like the Falcon 50) in Le Bourget, 1953-2003, TTU :eek:
I will scan it .... ;)
 

Jemiba

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I've only this photo of the model, a 3-view would be good ... ;)
(from Aviation Week 1973_98)
 

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Jemiba

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Two studies for supersonic bizzjets from the Georgia Institute of Technology.
Not really what I would call a project, but maybe a good illustration of the
thinking in the '60s.
(from Aviation Week 1967 10-17)
 

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Jschmus

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This wasn't a biz-jet per se, but in the 1950s, McDonnell put together their Model 119/220, which was a candidate for the same RFP that produced the Lockheed Jetstar. The Jetstar won that comp, so McDonnell tried to market the airplane as an executive type, and flew their own execs around in it till 1965.

http://www.boeing.com/companyoffices/gallery/hist073b.htm
 

Jemiba

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From Aviation Week 10/1978, the Rockwell Model 85 Sabreliner, a refined,
longer development of the model 75 :
 

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The Artist

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archipeppe said:
Instead I found out this interesting story:

Donald Douglas, founder of the company with the same name, talked with Piaggio to explore his avilability to design and plan a jet executive aircraft. Ed Heinemann, famous designer at Douglas for the US Navy, designed a preliminary project, called D-808, of an imbarked plane for executive commuting, for the US Navy, but he didn't want to bear the whole investment, necessary for the project: he was interested to buy circa 200 planes, if Douglas had developed a civil version. Donald Douglas believed not to be prepared to maintain on the market an aircraft with an usage so different from traditional liners, but declared himself ready to nominally participate to the project, and charged Heinemann to contact other manufacturers. He tried to involve Northrop, that said that the best company for that purpose was the Piaggio of Genua. Ing. Casiraghi talked of the project with Ing. Piaggio, that, after having contacted Italian Air Forces, gave his OK. The agreement between Armando Piggio and Donald W. Doulas was reached in april 1961: the Italian company had to plan and manufacture in his plants all the aircrafts for the US Navy. Douglas did not invest any money, but gave Piaggio all the necessary know-how for free. A little team of Douglas' engineers was deployed in its El Segundo plant, where Heinemann's office was, at Piaggio disposal.

Obviously we are talking about the Piaggio PD 808 (that still mantains the "D" for Douglas), proposed as "Italian Bizjet" in mid 60's, it suffered the concurrency of Learjets (and also others) and it was utilized for a long time by AMI (Italian Air Force) as general purpose aircraft and also as electronic warfare platform as well.

Just to illustrate this info from archipeppe, here is a frame grab of what looks to be a demonstrator dressed in Vatican markings for the movie The Shoes of the Fisherman.
 

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hesham

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Hi,


from L + K magazine,here is early model to Hamburger Flugzeugbau HFB-320
Hansa jet aircraft.
 

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toura

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Hi Jens
A long time ago you show us a photo of
the "corvette 300" here a second one......but no 3 view !
(from "aviation magazine")
 

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Jemiba

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... and at last finished, although very speculative and to be taken with more , than just a pinch of salt.
Source grade 1.5 only !
 

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Stargazer2006

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Jemiba said:
... and at last finished, although very speculative and to be taken with more , than just a pinch of salt.
Source grade 1.5 only !


A great effort all the same! ;)
 

hesham

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Hi,

here is a Learjet Model-40 Project.

http://archive.aviationweek.com/image/spread/19660523/20/2
 

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riggerrob

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Hansa Jet was unique (among civilian jets) for its forward-swept wing. Forward-swept wings had been tested by the Luftwaffe during the dying days of World War 2 as part of their research into reducing compressibility and supersonic flight.
The primary reason that Hansa Jet got forward-swept wigs was to allow the wing spar to pass aft of the cabin pressure vessel, similar to the (current production) Piaggio Avanti turboprop. Most modern business jets solve this structural problem by passing the wing under the cabin pressure vessel and enclosing it in a massive fairing that also encloses main landing gear, etc.
Forward-swept wings can suffer from divergence if not built considerably stronger (and heavier) than aft-swept wings. Later composite materials solved most of those problems (see various prototypes built by Burt Rutan) but composite, FWS wings never made it into production.
Only 47 Hansa Jets were ever built with the Luftwaffe being the largest customer. Military Hansa Jets flew VIPs and ECM missions.
 

Arjen

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The German Air Force ordered 21 aircraft - first a 13-aircraft batch, an 8-aircraft batch some years later. The Dutch Rijksluchtvaartschool had a 3-aircraft fleet flying from Eelde.
<edit> ... and not 23, as I wrote earlier. Noisy birds, they were.
 

hesham

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From L + K 4/1970,

the Lockheed Jetstar 3.
 

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