Bell D181 Ducted-fan transport project

[Jemiba]

Two other ducted fan designs, although in the case of the left picture, the
manufacturer isn't even mentioned explicitly. And again, no designations were
given in the FlugWelt-60-II, so I don't know, if the are part of pometablavas
list .

 

[hesham]

Thanks my dears Jemiba and pometablava,

great find my dear Jemiba,and that means Doak Model-22 and Model-23
projects, is that right ?.

 

[Jemiba]

Attention please, "Bild 22" and "Bild 23" are just numbers of the illustrations in that magazine,
NOT type designations ! And only for the picture on the right-hand side the origin of the
design is given explpicitly as Bell-Doak ...

 

[hesham]

Sorry my dear Jemiba,

I missunderstand for Doak company,that is because we don't know
more about this company,only three design (Doak-16,DRD-1 two
seat trainer and Doak-Deeds Sportsman single seat biplane).

 

[Orionblamblam]

Two other ducted fan designs, although in the case of the left picture, the
manufacturer isn't even mentioned explicitly.

My guesses:
Left design: "Ducted Fan Transport Design:
Right design: D-181... maybe D-190

 

[Triton]

Artist's impression of Bell Ducted Fan Transport.

Source:
Keith-Lucas, D. "Vertical Take-Off Aircraft: Some Problems of Design" New Scientist May 29, 1958 p. 59.

 

[Caravellarella]

Dear Boys and Girls, here is a picture with a caption in French of the Bell D-181 tilt-duct VTOL transport aircraft "project"......

The picture comes from the 23rd May 1959 issue of Les Ailes......

Terry (Caravellarella)

 

[hesham]

A big surprise,

here is a report about D-181-945-001 up to 008,and Infos and drawings to D-181-960-001,007,009 & 011.

https://apps.dtic.mil/dtic/tr/fulltext/u2/102024.pdf

 

[Grey Havoc]

Nice find hesham.

 

[hesham]

Thank you Grey;

https://apps.dtic.mil/dtic/tr/fulltext/u2/102193.pdf

 

[hesham]

A big surprise,

here is a report about D-181-945-001 up to 008,and Infos and drawings to D-181-960-001,007,
009 & 011.

https://apps.dtic.mil/dtic/tr/fulltext/u2/102024.pdf

Anther one;

https://apps.dtic.mil/dtic/tr/fulltext/u2/102191.pdf

 

[hesham]

Sorry for my annoy,but when I discover something new must send it;

https://apps.dtic.mil/dtic/tr/fulltext/u2/102022.pdf

 

[GTX]

Nice find.

 

[Antonio]

Sorry for my annoy,but when I discover something new must send it

No problem, excellent finding and thanks for sharing it.

 

[yasotay]

Superb find! Intriguing, but I have to wonder what the downwash/outwash would have been like? Probably desent SSTOL charecteristics though.

 

[overscan (PaulMM)]

Boom!

https://apps.dtic.mil/sti/tr/pdf/AD0102191pdf

Bell Ducted Propeller Assault Transport Report D181-945-001 15 May 1956 - Summary Report

https://apps.dtic.mil/sti/tr/pdf/AD0102022.pdf

Bell Ducted Propeller Assault Transport Report D181-945-002 15 May 1956 - Design Report

https://apps.dtic.mil/sti/tr/pdf/AD0102023.pdf

Bell Ducted Propeller Assault Transport Report D181-945-003 15 May 1956 - Survey of the state of the art

https://apps.dtic.mil/sti/tr/pdf/AD0102024.pdf

Bell Ducted Propeller Assault Transport Report D181-945-004 15 May 1956 - Performance

https://apps.dtic.mil/sti/tr/pdf/AD0102193.pdf

Bell Ducted Propeller Assault Transport Report D181-945-005 15 May 1956 - Stability and Control

https://apps.dtic.mil/sti/tr/pdf/AD0102197.pdf

Bell Ducted Propeller Assault Transport Report D181-945-006 15 May 1956 - Duct and Propeller Analysis

https://apps.dtic.mil/sti/tr/pdf/AD0102192.pdf

Bell Ducted Propeller Assault Transport Report D181-945-007 15 May 1956 - Preliminary Structural Analysis

https://apps.dtic.mil/sti/tr/pdf/AD0102194.pdf

Bell Ducted Propeller Assault Transport Report D181-945-008 15 May 1956 - Standard Aircraft Characteristics

[edit - added link to Standard Aircraft Characteristics]
[edit - updated all links]

 

[hesham]

Many thanks to you my dears.

 

[hesham]

Here is a report for D-181-981-010;

https://apps.dtic.mil/dtic/tr/fulltext/u2/102745.pdf

 

[aim9xray]

Regarding: Bell Ducted Propeller Assault Transport Report D181-945-008 15 May 1956 - Standard Aircraft Characteristics

SAC Chart is at: https://apps.dtic.mil/dtic/tr/fulltext/u2/102194.pdf

 

[overscan (PaulMM)]

Regarding: Bell Ducted Propeller Assault Transport Report D181-945-008 15 May 1956 - Standard Aircraft Characteristics

SAC Chart is at: https://apps.dtic.mil/dtic/tr/fulltext/u2/102194.pdf

Thanks Craig - I had to go to bed before I'd found that

 

[hesham]

Regarding: Bell Ducted Propeller Assault Transport Report D181-945-008 15 May 1956 - Standard Aircraft Characteristics

SAC Chart is at: https://apps.dtic.mil/dtic/tr/fulltext/u2/102194.pdf

I had found it before,but I thought it was the same drawing but clearer,and it's the name of
report only,and not the designation of the drawing.

 

[overscan (PaulMM)]

Split to own topic.