flyingturtle
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Messerschmitt VJ 101

Tue Apr 23, 2013 12:31 pm

The Messerschmitt VJ 101. I just stumbled upon this video... does anybody know why this project was cancelled?

It was developed in Germany from 1963 to 1968.

http://www.youtube.com/watch?v=ntZDAS4fCPA



David
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ptrjong
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RE: Messerschmitt VJ 101

Tue Apr 23, 2013 1:39 pm

For the same reason most other VTOL aircraft were cancelled. In short, weight and fuel burn.
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flyingturtle
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RE: Messerschmitt VJ 101

Tue Apr 23, 2013 1:44 pm

Quoting ptrjong (Reply 1):

I thought there were more technical reasons, too... or the VJ-101 was killed in favor of the F-104.

The VJ-101 led me to think about an Osprey with GE-90-like engines.   


David
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NoUFO
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RE: Messerschmitt VJ 101

Tue Apr 23, 2013 2:34 pm

Quoting flyingturtle (Reply 2):
I thought there were more technical reasons, too.

Being too complicated was one thing, I believe. It's a single-seater, and the workload must have been enormous. A second seat, however would add weight to an aircraft that was supposed to be a fighter, not (fighter-)bomber.
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ptrjong
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RE: Messerschmitt VJ 101

Wed Apr 24, 2013 6:30 am

To be honest, I don't know about the formal reasons. But in the end such aircraft just didn't work.
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ThePointblank
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RE: Messerschmitt VJ 101

Wed Apr 24, 2013 9:13 am

Quoting NoUFO (Reply 3):
Being too complicated was one thing, I believe. It's a single-seater, and the workload must have been enormous. A second seat, however would add weight to an aircraft that was supposed to be a fighter, not (fighter-)bomber.

More precisely, it lost in competition to other designs, such as the Dassault Mirage IIIV and the Hawker Siddeley P.1154 for a NATO supersonic VSTOL fighter. Political disagreement between the UK, German and French governments torpedoed that project after the Hawker Siddeley P.1154 became the lead contender over the Dassault contender as it was judged to be technically superior. The UK government continued development of the P.1154 as a joint RN/RAF project until disagreement over specifications and requirements between the RN and RAF killed that project as well.

Mind you, the Dassault fighter had 9 engines (yes, 9!); a SNECMA modified version of the Pratt TF30, plus 8 Rolls Royce RB162 lift engines... a very complex machine.

In the end, all of the engineering and research especially for the P.1154 led towards the Harrier. Development of a true production supersonic VSTOL fighter only came into fruition with F-35B.
 
flyingturtle
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RE: Messerschmitt VJ 101

Wed Apr 24, 2013 9:39 am

Wow, thank you for giving your insights!

Quoting ThePointblank (Reply 5):
Mind you, the Dassault fighter had 9 engines (yes, 9!)

Errrr.... what the hell did I just read?   


David
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