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Author Topic: Various Bell projects  (Read 14936 times)

Offline Jemiba

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Various Bell projects
« on: December 23, 2006, 04:26:28 am »
A more elegant, nevertheless quite unusual concept fom Bell:
A tandem stowable rotor.

(from AviationWeek 5/67)
« Last Edit: October 27, 2012, 02:06:20 pm by Stargazer2006 »
It takes a long time, before all mistakes are made ...

Offline hesham

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Re: Various Bell projects
« Reply #1 on: December 25, 2006, 09:45:34 am »
Thanks my dears,

and there was also retractable rotors from Sud Aviation.
« Last Edit: October 27, 2012, 01:36:49 pm by Stargazer2006 »

Offline yasotay

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Re: Various Bell projects
« Reply #2 on: December 25, 2006, 08:17:31 pm »
I would be very interested in any information or pictures that anyone might have regarding the Bell Ducted fan efforts.

Offline hesham

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Re: Various Bell projects
« Reply #3 on: December 26, 2006, 10:18:34 am »
Thanks my dear Jemiba,

and do you know Bell D-196 ?.

Offline yasotay

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Re: Various Bell projects
« Reply #4 on: December 27, 2006, 12:00:06 pm »
jemiba- Thanks!  I had not seen that concept before. Of all the Commercial VTOL concepts I have seen over the years, the D-2240 seems to be one that might actually have met with passenger acceptance.  It does not have the look of an aircraft with lots of moving parts etc., that seems to be crucial to passenger acceptance.  Of course it is doubtful that the technologies of the mid-60's would have allowed for the crucial cost per seat/mile to be realized to make the aircraft finacially viable.

Offline Jemiba

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Re: Various Bell projects
« Reply #5 on: December 27, 2006, 12:13:04 pm »
"..and do you know Bell D-196 ?"

Sorry, I don't know this designation, but many projects were just published
with designations as "transport with tiltable ducted fans" or something like
that. If you can describe the D-196, maybe we find a project, that fits into
this description.   ;)
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Offline lark

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Re: Various Bell projects
« Reply #6 on: January 01, 2007, 02:38:06 pm »
Breathtaking Orion..
Can jou give us more info of the book ?

Thanks.

Offline yasotay

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Re: Various Bell projects
« Reply #7 on: January 05, 2007, 06:08:38 am »
Obrienblam(2) -  Thank you for the fantastic info.  The chart alone was a tremendous surprise.  I was not aware of two thirds of the concepts on the diagram.

A question for the veterans here.  When doing the patent search, do you go with specific nomenclature, or is a 'hit or miss' ordeal?  I tried to search specific nomenclature for the designs from Obrienblamblam's chart post to no avail. While 'ducted fan' and 'four post ducted fan' bring up some aircraft, I have not found many of the designs.  I assume they never progressed to patent stage or I am missing the mark.

Thanks in advance.

Offline Orionblamblam

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Re: Various Bell projects
« Reply #8 on: January 05, 2007, 06:35:15 am »
I tried to search specific nomenclature for the designs from Obrienblamblam's chart post to no avail. While 'ducted fan' and 'four post ducted fan' bring up some aircraft, I have not found many of the designs. 

These are Design Patents. As such, the patent contians naught but the basic drawings... and has a very basic title. For instance, as memory serves, both of these patents were titled "Aircraft."

I'm finding google Patents to be both very useful... and very limitted. One patent that I had a photocopy of (from the Denver public library, pre-Web days of manual searching of microfilm) was a Bell Aircraft patent for a VTOL tailsitter fighter from WWII; I had misplaced the copies, and decided to use Google to hunt it down, based on the few snippets of info that I could recall. A few days of searching failed to turn it up. I finally located the paper copy, and then went back to Google: even with a patent number search... Google couldn't find it. The patent office server had the patent, but Google does not. Strange. I can only assume that there are a *lot* of gaps.
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Offline hesham

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Re: Various Bell projects
« Reply #9 on: January 05, 2007, 08:45:11 am »


Thanks my dears about all informations and drawings.

Offline yasotay

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Re: Various Bell projects
« Reply #10 on: January 05, 2007, 11:18:31 am »
Thanks for the reply.  I suspected something of the sort as you suggest might be one of the possiblilities as the service is relatively new.

Offline Orionblamblam

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Re: Various Bell projects
« Reply #11 on: January 05, 2007, 04:21:52 pm »


Thanks my dears...


Erm... unless you are female, that just comes across... kind of creepy.
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Offline PaulMM (Overscan)

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Re: Various Bell projects
« Reply #12 on: January 05, 2007, 06:00:55 pm »


Thanks my dears...


Erm... unless you are female, that just comes across... kind of creepy.

I suspect English is not his first language.
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Offline hesham

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Re: Various Bell projects
« Reply #13 on: January 06, 2007, 09:26:33 am »
Ok my dears,

I left the English language in 1983,excuse me.

The Bell D-318 was also designed for LAMPS program (Light Airborne Multi-Puropose
System) as Boeing-Vertol BV-237,do you have a drawing to this project ? please.

Offline hesham

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Re: Various Bell projects
« Reply #14 on: April 01, 2007, 10:44:25 am »
Hi,

I heard that the Bell D-137 was a fighter project,
is that right ? please help.

Offline hesham

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Re: Various Bell projects
« Reply #15 on: April 21, 2007, 10:20:29 am »
Hi,

The Bell proposed to develope a civilian transport version of BOMI
rocket bomber in 1957,and the straight wing was replaced by a delta
wing and the estimated range was 4800 km.

Offline hesham

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Re: Various Bell projects
« Reply #16 on: April 22, 2007, 11:49:04 am »
Hi,

The Bell D-116 was a civilian version project of HSL-1,and the D-216 &
D-238 were the development of the same helicopter.

Offline hesham

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Re: Various Bell projects
« Reply #17 on: August 04, 2007, 12:41:59 pm »
Hi,

Can I ask about the Bell D-138 & D-143,were those aircraft a
twin boom fighters or not ?.

Offline hesham

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Re: Various Bell projects
« Reply #18 on: September 13, 2007, 07:45:36 am »

Offline Jemiba

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Re: Various Bell projects
« Reply #19 on: September 13, 2007, 12:07:41 pm »
To me, it looks like a jet aircraft with the inlets in the nose, covered by metal mesh
or grid to retain the profile. The jet pipes seem to be on the underside under the wing.
It takes a long time, before all mistakes are made ...

Offline hesham

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Re: Various Bell projects
« Reply #20 on: September 13, 2007, 12:48:36 pm »
Yes my dear Jemiba,

and R. Hall was also designed a several projects to Bell
Aircraft Corporation,such as this design;
http://www.google.com/patents?id=5SZxAAAAEBAJ&pg=PP1&dq=R.+Hall+airplane&num=100#PPP1,M1

Offline Orionblamblam

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Re: Various Bell projects
« Reply #21 on: September 13, 2007, 03:12:46 pm »
Hi,

What was that Bell aircraft ?.

You'll find out in issue V1N3 of electronic APR.
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Offline starviking

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Re: Various Bell projects
« Reply #22 on: September 13, 2007, 03:16:38 pm »

Offline robunos

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Re: Various Bell projects
« Reply #23 on: September 14, 2007, 08:05:09 am »
Hi,

What was that Bell aircraft ?.

You'll find out in issue V1N3 of electronic APR.


can't wait........

cheers,
          Robin.
Where ARE the Daleks when you need them......

Offline hesham

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Re: Various Bell projects
« Reply #24 on: November 02, 2007, 04:40:42 am »
Hi,

the Bell D-104 was twin engine anti-submarine helicopter project,
does anyone know more about the D-261 attack helicopter
project ?.

Offline hesham

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Re: Various Bell projects
« Reply #25 on: November 03, 2007, 10:38:18 am »
Hi,

there are also a several of unknown convertiplanes projects,
the D-212,D-240 and D-250,if anybody can help.The Bell D-200
was turbine-powered helicopter project.

Offline archipeppe

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Re: Various Bell projects
« Reply #26 on: November 03, 2007, 12:33:27 pm »
This Bell project really looks like a sort o mix-up between an Heinkel 176 (in plant) and a Percival Provost (in profile), not counting the weird disposition of the engines....

Offline hesham

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Re: Various Bell projects
« Reply #27 on: November 04, 2007, 10:07:28 am »
Hi,

the Bell Model-323 and Model-604 were tilt rotor aircraft
projects and the D-276 was light twin helicopter project,
but the more interesting the Bell did built the mock-up
of D-306 helicopter,but no more informations.

Offline pometablava

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Re: Various Bell projects
« Reply #28 on: November 04, 2007, 10:09:52 am »
According to The Bell Helicopter Textron Story by David A. Brown,

D-200 is Bell number for the XV-3 convertiplane.

D-261 was an attack two seater for AAFSS contest (1964).

From Bell Aircraft by A J Pelletier (Putnam),

Model 212 is the UH-1N

Model 240 was Bell UTTAS contender (1972)

Model 250 is a project from Model 206 (1962)

Please note that Bell Model designations are different from Bell Design Numbers. I don't have info for D-212, D-240 or D-250 design numbers.
« Last Edit: November 04, 2007, 10:14:13 am by pometablava »

Offline pometablava

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Re: Various Bell projects
« Reply #29 on: November 04, 2007, 10:22:17 am »
Hesham,

no info available about Model 323, 604 or Design number D-276 but I found that Bell submitted two designs to AAFSS: D-261 and D-262

cheers

Antonio

Offline hesham

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Re: Various Bell projects
« Reply #30 on: November 04, 2007, 10:31:04 am »
Thank you my dear pometablava,

and finally I found in Internet from a many months a small
info about Bell Model-215 helicopter project which was
submitted to a competition as a proposal,also Model-216
attack helicopter and Model-217G for a competitions
during 1970s,with no explainations in that site,I don't
remember its name.

Offline hesham

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Re: Various Bell projects
« Reply #31 on: November 28, 2007, 10:15:16 am »
Hi,

I heard that the Bell X-5 was redesigned as interceptor
aircraft,is that right ?.

Offline pometablava

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Re: Various Bell projects
« Reply #32 on: November 28, 2007, 01:44:44 pm »
Source: Bell Aircraft. AJ Pelletier. Ed. Putnam

US troops discovered a Messerschmitt P.1011 prototype on 29 April 1945. It was 80% completed. Bell borrowed it in 1948 and decided to fly it with a J35 engine but the aircraft was too damaged. Then, the Bell team decided to produce a design based on it and show their proposal to the Air Force in late 1948 but the Engineering Division stated that it was unable to carry enough fuel and armament to be a good interceptor. Bell proposed building two experimental aircraft to prove the validity of the concept, that was the Bell Model 60 / NACA X-5. Several fighter projects were studied from 1949 to 1951. A single 5,200 lb J35-A-17 would have been the powerplant (720 mph at sea level). Armament: 46 rockets and nose mounted AN/APS-19A radar.

Offline hesham

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Re: Various Bell projects
« Reply #33 on: November 29, 2007, 09:12:42 am »
Thank you my dear pometablava,

and there is the Bell D-218 cargi helicopter of 1956 and
powered by two R-1820-34 engines.

Offline pometablava

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Re: Various Bell projects
« Reply #34 on: December 20, 2007, 02:59:46 pm »
Hi Maveric,

unfortunately, the answer is no. All drawings were included for pure ornamental purpose to illustrate an article about the Bell XV-15.

Offline Barrington Bond

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Re: Various Bell projects
« Reply #35 on: February 22, 2008, 12:09:46 pm »
Anyone care to take a trip on a VTOL SST with 8 swivelling engine pods?!?!?!

"It hasn't squeaked in a week!"

Offline Retrofit

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Re: Various Bell projects
« Reply #36 on: May 02, 2009, 12:10:33 am »
BELL *All Wing* helicopter project dated 1954!

From: http://www.flightglobal.com/pdfarchive/view/1954/1954%20-%201943.html?search=Bell

The text mentioned: "The prototype is now being built"  ???

It seems related with the D-218 cargo helicopter project.
http://www.secretprojects.co.uk/forum/index.php/topic,1222.msg24342/highlight,bell+d-218.html#msg24342
 
 
« Last Edit: May 02, 2009, 12:31:03 am by Retrofit »

Offline Jemiba

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Re: Various Bell projects
« Reply #37 on: May 02, 2009, 04:35:46 am »
It takes a long time, before all mistakes are made ...

Offline Retrofit

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Re: Various Bell projects
« Reply #38 on: May 02, 2009, 04:48:22 am »
Ooops, sorry!
Thanks Jemiba for this reminder.

Offline hesham

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Re: Various Bell projects
« Reply #39 on: June 11, 2009, 09:55:54 am »
« Last Edit: October 29, 2012, 04:05:06 pm by hesham »

Offline hesham

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Re: Various Bell projects
« Reply #40 on: June 11, 2009, 10:04:01 am »
Hi,

here is a gruop of Bell projects,and some of them were developed with Agusta.
http://ntrs.nasa.gov/archive/nasa/casi.ntrs.nasa.gov/19790017874_1979017874.pdf

Offline cluttonfred

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Re: Various Bell projects
« Reply #41 on: June 11, 2009, 10:36:36 am »
BELL *All Wing* helicopter project dated 1954!
From: http://www.flightglobal.com/pdfarchive/view/1954/1954%20-%201943.html?search=Bell
The text mentioned: "The prototype is now being built"  ???
It seems related with the D-218 cargo helicopter project.
http://www.secretprojects.co.uk/forum/index.php/topic,1222.msg24342/highlight,bell+d-218.html#msg24342

Hmmm, I just came across this one and the linked posts, what an interesting design.  I wonder if the lifting fuselage would provide enough lift in forward flight to offload the rotors?  It probably wouldn't increase speed very much (look how thick the wing is) but it might increase efficiency at modest speed.

The "wingspan" would be problematic for maneuvering, but it's also not hard to imagine it as a very effective assault transport.  Big clamshell doors open forward and 50 troopers run out or maybe four light vehicles with four troops each drive out, simultaneously, and the transport is away again in seconds.

Does anyone know of any other "flying wing" or "lifting body" helicopter designs?
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Offline Tophe

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Re: Various Bell projects
« Reply #42 on: June 11, 2009, 10:54:38 am »
here is a gruop of Bell projects,and some of them were developed with Agusta.
http://ntrs.nasa.gov/archive/nasa/casi.ntrs.nasa.gov/19790017874_1979017874.pdf
And here is a twin-boom fighter, thanks!

Offline KJ_Lesnick

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Re: Various Bell projects
« Reply #43 on: June 29, 2009, 02:35:46 pm »
Barrington Bond,

That looks a lot like Bell'S Hypersonic Transport design...

Offline Skyblazer

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Re: Various Bell projects
« Reply #44 on: May 21, 2010, 04:33:37 am »
Hi,

What was that Bell aircraft ?.

http://www.google.com/patents?id=jRF0AAAAEBAJ&printsec=abstract&zoom=4&dq=hawker+aircraft+airplane&num=100

I suspect this to be depicting the Bell D-400A as seen in this diagram published in page 2:
« Last Edit: May 23, 2010, 06:45:22 am by flateric »

Offline Stingray

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Re: Various Bell projects
« Reply #45 on: February 24, 2012, 12:41:29 pm »

Not sure if these have been posted before.
From "The Bell Helicopter Textron Story", David Brown:


-D-216A
-D-218
-D-223
-D-226
-D-238
-D-229D

Offline hesham

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Re: Various Bell projects
« Reply #46 on: October 11, 2012, 04:34:45 pm »
Hi,

I heard that the Bell X-5 was redesigned as interceptor
aircraft,is that right ?.


And may be the answer to my question,from my dear Scott site;


http://up-ship.com/blog/?cat=28&paged=3
« Last Edit: October 11, 2012, 04:36:35 pm by hesham »

Offline XP67_Moonbat

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Re: Various Bell projects
« Reply #47 on: October 11, 2012, 07:55:41 pm »
Anybody have information on the RX-1 recon variant of the X-1?
In God we trust, all others we monitor. :-p

Offline hesham

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Re: Various Bell projects
« Reply #48 on: October 29, 2012, 04:04:41 pm »
By the way,


that aircraft was in the report D-7605,with all projects here;


http://www.secretprojects.co.uk/forum/index.php/topic,17290.msg59761.html#msg59761

Offline Skyblazer

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Re: Various Bell projects
« Reply #49 on: October 29, 2012, 04:18:27 pm »
that aircraft was in the report D-7605,with all projects here;

Link's not working, hesham...

Offline hesham

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Re: Various Bell projects
« Reply #50 on: October 29, 2012, 04:47:47 pm »
Hi,

here is Bell off-runway tactical fighter.

http://ntrs.nasa.gov/archive/nasa/casi.ntrs.nasa.gov/19790017874_1979017874.pdf


That is the source,


and the report was D-7605.

Offline hesham

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Re: Various Bell projects
« Reply #51 on: December 27, 2012, 04:01:13 pm »
Hi,


here is the Bell D-7233 project for the C-119 transport aircraft fitted with air cushion
to landing,also in this topic,I spoke about the Bell D-7605 for the air cushion which used
in various aircraft.


http://www.dtic.mil/cgi-bin/GetTRDoc?AD=AD0817527

Offline hesham

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Re: Various Bell projects
« Reply #52 on: December 27, 2012, 04:03:22 pm »
Hi,


here is the Bell D-7233 project for the C-119 transport aircraft fitted with air cushion
to landing,also in this topic,I spoke about the Bell D-7605 for the air cushion which used
in various aircraft.


http://www.dtic.mil/cgi-bin/GetTRDoc?AD=AD0817527


Also a drawing to C-130 aircraft with air cushion in the report as it was a Bell design.

Offline hesham

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Re: Various Bell projects
« Reply #53 on: April 26, 2013, 05:55:27 am »
Hi,


here is the Bell XV-3 two shapes,one is early configuration with 3-balded proprotor,
and the second is the final configuarion with 2-balded proprotor,note also the other
different between them.

Offline hesham

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Re: Various Bell projects
« Reply #54 on: November 14, 2013, 04:29:30 am »
Hi,


also from Germany museum site,here is a Bell VTOL design of 1970s,it looks
like anther Bell VTOL aircraft from my dear Scott's site;


http://kulturserver-nds.de/home/hubtest/medien/Typenkartei3953xGUN7x9T3Z7.pdf


http://up-ship.com/blog/?p=15736


Offline hesham

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Re: Various Bell projects
« Reply #56 on: November 25, 2014, 08:04:29 am »

And may be the answer to my question,from my dear Scott site ,the D-90;

http://up-ship.com/blog/?cat=28&paged=3


And here is again the Bell VTOL aircraft series,as my Dear Scott sent a looks like
that list,with addition the Bell D-133 profile,and also developed from X-5.


http://books.google.com.au/books?id=nV0Osu4FMu0C&pg=PA24&dq=bell+x-5&hl=en&sa=X&ei=PKV0VL-XM-XMygO_9YHABQ&ved=0CDEQ6AEwAg#v=onepage&q=bell%20x-5&f=false

Offline Skyblazer

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Re: Various Bell projects
« Reply #57 on: November 25, 2014, 01:40:51 pm »
Nice find, the D-133. I had it listed as a fixed-wing version of the X-5 but hadn't seen a picture before.

Offline hesham

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Re: Various Bell projects
« Reply #58 on: December 21, 2014, 04:21:28 am »

here is Bell off-runway tactical fighter.

http://ntrs.nasa.gov/archive/nasa/casi.ntrs.nasa.gov/19790017874_1979017874.pdf


Hi,


here is the Bell LMA,a Large Multimissiom Amphibian with air-cushion to land,and
a comparison with Boeing 759-182A.

Offline royabulgaf

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Re: Various Bell projects
« Reply #59 on: December 22, 2014, 06:30:57 pm »
I think International Rescue was interested in this project.

Offline hesham

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Re: Various Bell projects
« Reply #60 on: May 10, 2015, 06:07:50 am »
Hi,


here is a two versions of Bell-222,i think they remained a projects,the Gunship and
the missiles carrier;


http://www.dtic.mil/dtic/tr/fulltext/u2/a051589.pdf

Offline pedrospe

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Re: Various Bell projects
« Reply #61 on: May 11, 2015, 06:59:03 am »
Nice findings hesham,this is the first time i see the model 222 as a gunship.




    best regards


    Pedro

Offline mil

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Re: Various Bell projects
« Reply #62 on: October 11, 2015, 10:18:22 am »
specify who knows the project Bell Helicopter Model d261 was a single or double, and where mozhnonayti more information about this project.

Offline Skyblazer

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Re: Various Bell projects
« Reply #63 on: October 11, 2015, 11:49:09 am »
specify who knows the project Bell Helicopter Model d261 was a single or double, and where mozhnonayti more information about this project.

(I'm sorry but why did you leave Russian in your English? The word "mozhnonayti" means "can be found"!)

The D261 was a 1964 two-seater attack helicopter proposal for the AAFSS contest (which was won by the AH-56 Cheyenne).

Offline mil

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Re: Various Bell projects
« Reply #64 on: October 11, 2015, 11:56:06 am »



Thank you misunderstood me, I translate in -line translator

Offline Skyblazer

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Re: Various Bell projects
« Reply #65 on: October 11, 2015, 01:03:28 pm »
Thank you misunderstood me, I translate in -line translator

No worries, I do exactly the same!!! ;-)

Offline mil

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Re: Various Bell projects
« Reply #66 on: October 11, 2015, 01:22:20 pm »
interesting model where you can still see the images D-261

Offline hesham

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Re: Various Bell projects
« Reply #67 on: October 11, 2015, 02:28:54 pm »
Nice find Mil.

Offline mil

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Re: Various Bell projects
« Reply #68 on: October 14, 2015, 11:14:53 am »
Bell Model D-261 Double combat helicopter project, it is not clear how you can sit in the front cabin, it is very small for the pilot.

Offline Orionblamblam

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Re: Various Bell projects
« Reply #69 on: October 15, 2015, 06:25:13 pm »
Guy in front would have been the gunner... and from the looks of it, he must've been prone.
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Offline hesham

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Re: Various Bell projects
« Reply #70 on: January 11, 2016, 01:52:08 pm »
Hi,

the Bell ETA (ejector thrust augmentation).

http://archive.aviationweek.com/image/spread/19730326/23/2

Offline sienar

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Re: Various Bell projects
« Reply #71 on: April 29, 2016, 04:36:25 pm »
Pretty interesting summary of the X-5 program here; http://documents.theblackvault.com/documents/aviation/XPlanes/BellX5.pdf

Some of the more notable bits;

Bell was very serious about putting the XJ-46 in the plane, and also looked at adding booster rockets to the X-5. First twin 1500lbs, and by July 51 rockets with 4000lbs of thrust were looked at, with a projected speed of m1.4 at 40000ft. The Sapphire was also looked at. There is also a mention that douglas was interested in similar rocket boosters for the x-3.

Early in 48 Bell began looking at VG aircraft. In August of that year they were loaned the P1101. Bell proposed building 24 interceptor airplanes of their VG design, and for a time the Air Force was interested until the AMC killed the idea. They then proposed two research vg planes be built.

Prior to the X-5 program Woods designed a low-level, twin engine, swing wing attack plane. This design did not have the wings shift for and aft but instead used fuel transfer to shift the cg as the sweep changed.

Woods envisioned the X-5 tactical derivative as having an intake screen that doubled as a radar antenna and the dive brakes could be used as mounting points for rato.

General Saville visited Bell in July 50 and asked Bell for projected data of a fighter X-5 with different engines, but Wright Field was skeptical and shot the idea down.

In July 51, the issue of creating an X-5 fighter derivative was brought up again. This time Colonel Victor R. Haugen saw the X-5 as being roughly in line with fighter studies then under way and asked the Weapons Systems Division for an analysis. There summary was that a virtually complete redesign would be needed to turn it into a fighter.

Offline hesham

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Re: Various Bell projects
« Reply #72 on: May 26, 2016, 06:05:40 am »
Hi,

here is an artist drawing to Bell Model-440.

http://archive.aviationweek.com/image/spread/19840116/82/2

Offline Mark Nankivil

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Re: Various Bell projects
« Reply #73 on: January 11, 2017, 11:01:49 am »
Good Day All -

A short blurb and artwork from the June 1956 issue of Flying magazine about the Bell D-216.

Enjoy the Day!  Mark
« Last Edit: January 11, 2017, 11:04:17 am by Mark Nankivil »

Offline Mark Nankivil

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Re: Various Bell projects
« Reply #74 on: February 09, 2017, 05:56:08 am »
Good Day All -

A recent EPay buy of a set of slides yielded quite a few pieces of Bell Aerospace concept artwork.  Attached are the first ones I have cleaned up.

Enjoy the Day!  Mark

Offline hesham

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Re: Various Bell projects
« Reply #75 on: February 09, 2017, 06:45:49 am »
Quote
here is Bell off-runway tactical fighter.

http://ntrs.nasa.gov/archive/nasa/casi.ntrs.nasa.gov/19790017874_1979017874.pdf
here is a gruop of Bell projects,and some of them were developed with Agusta.

http://ntrs.nasa.gov/archive/nasa/casi.ntrs.nasa.gov/19790017874_1979017874.pdf

Amazing find my dear Mark,

and as I discovered in this NASA report,some Bell Projects with air cushion,the attack
aircraft called Off-Runway Tactical Fighter.
« Last Edit: February 09, 2017, 06:49:01 am by hesham »

Offline Mark Nankivil

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Re: Various Bell projects
« Reply #76 on: February 09, 2017, 03:08:09 pm »
Good Day All -

In splendid color, Bell's LMA proposal....

Enjoy the Day! Mark

Offline Apophenia

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Re: Various Bell projects
« Reply #77 on: February 09, 2017, 03:27:54 pm »
Thanks ... great stuff Mark! Interesting to see Bell working their Air Cushion Landing System concept  :)

Offline cluttonfred

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Re: Various Bell projects
« Reply #78 on: February 10, 2017, 04:13:48 am »
Great stuff, thanks for sharing.  Does anyone know if these retractable air cushion designs were actual projects or just speculative artwork?
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Offline yasotay

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Re: Various Bell projects
« Reply #79 on: February 10, 2017, 09:49:44 am »
If I am not mistaken Bell did test the air cushion concept on a seconded DHC-7 from the Army in the early 70's.

Offline _Del_

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Re: Various Bell projects
« Reply #80 on: February 10, 2017, 10:34:43 am »
I know they tested a Buffalo. Not sure about the Dash-7

Offline yasotay

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Re: Various Bell projects
« Reply #81 on: February 14, 2017, 08:55:38 am »
I know they tested a Buffalo. Not sure about the Dash-7

My bad.  That's what I meant.