Raoul Hafner VTOL Aircraft projects

from PDF
A projected convertipiane by Bristol's Raoul Hafner; it embodies
hinged seats for all passengers. It is pictured hovering at full
power while being hauled in to a mooring structure.
Click to expand...

landing and take off like Ryan X-13

if they had build that and even how save this plane is
i never take a seat in that plane !
 
This VTOL aircraft should have had swivelling seats and should be
hauled down during landing by a cable.
I think, for the passengers, it wouldn't have been too uncomfortable,
only dropping papers , chewing-gums and other things during landing
or take-off wouldn't have been really nice .... ;D
 

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Hi,


here is a clearer drawings to Hafner VTOL aircraft,from this report;



ARBEITSGEMEINSCHAFT FüR FORSCHUNG
DES LANDES NORDRHEIN-WESTFALEN
 

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Gyroscopic seats for everyone I guess... or a heavy strapping system!!!
 
Jemiba said:
I may be wrong, but those poor passengers in the first drawing seems to be
hanging in their seats, just held by their safety belts, as the aircraft is flying inverted !
Click to expand...


Yes my dear Jemiba,


wrong imagine from the author.
 
Two beautiful hypothetical studies for tilt-rotor transport designs by R. Hafner, one based on the Vickers Vanguard, the other on the Vickers Viscount.
 

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Hi Skyblazer,


I displayed them before here;


http://www.secretprojects.co.uk/forum/index.php/topic,9396.msg238114.html#msg238114
 
Anther Hypothetical Hafner VTOL aircraft.

https://www.aerosociety.com/news/visions-of-the-future/
 

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Why do you say Hafner? The drawing is labelled Rolls-Royce so isn't it more likely to be a concept developed by them?
 
Comments by Hafner in 1966 from the source above

“I expect the rotorcraft, operating mainly from Vports in cities, to play a dominant role in short- and medium- haul air transport,” he said but also accurately predicted why the VTOL concept might fail to take-off “There has also been an unfavourable public reaction to the increased hazard in the street that has arisen from the operation of helicopters into the centre of Manhattan (PanAm building). These signs portend difficulties to the introduction of a VTOL transport system operating around the clock from the very heart of cities.”

A wise man
 
From Ailes 4/1952.
 

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Haul-down landings feel almost the same as landing from the hover. The key difference is that you are solidly attached to the deck as soon as you touch down. The Canadian Beartrap system extends a second “probe” to lock the aft fuselage into a deck grid.

Master Corporal (retired) Rob Warner CD, BA
Served aboard HMCS Athabaskan and Iroquois helicopter air detachments.
 
hesham said:
From Ailes 4/1952.
Click to expand...

I must admit that looking at concepts like this I find myself amused. Imagine what the pre-take-off and landing announcements for passengers would be like. "Make sure you have everything secured...";)
 
From, Back to the Drawing Board Aircraft That Flew, But Never Took Off,

Bristol company a supervisor of this design ?.
 

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