Vertical Flight Society just published excellent video narrated by Cherles Seibel himself about Seibel helicopters. Described are:
- Seibel S-1 (design study on tiltrotor)
- Seibel S-2 (design study on coaxial helicopter)
- Seibel S-3 (single-seat helicopter with CG control mechanism...
bellaircraftcorporation
cessna aircraft company
cg control
cold war
helicopter
helicopter division (cessna aircraft company)
pre-world war ii
seibel
seibel helicopter
seibel helicopter company
tiltrotor
united states
united states air force
united states army
world war ii
During the 1960's NASA looked at several possible improvements to the existing Block II Apollo's. One such study was by Bell and looked into a new design for RCS thrusters, which was theoretically scaleable from 5lb to 1000lb of thrust.
Experimental auxiliary rocket engine, part I. Final report...
To reply no. 55 by Aerofranz, I misidentified the illustration's top sensor carrier as the Bell SeaPig. It's actually the SeaKat, still from Bell Aerospace. I apologize for the error. Attached are a couple views of a SeaKat factory model. I would be grateful for any info about this little-known...
Just finishing "The Jet Race and the Second World War" by Sterling Michael Pavelec. I enjoyed the story very much and I've learnt a lot.
http://www.amazon.com/Jet-Race-Second-World-War/dp/1591146666/ref=sr_1_1?ie=UTF8&s=books&qid=1277485918&sr=1-1
On page 137 I found a great surprise: Bell...
airborne forces
assault glider
bellaircraftcorporation
cargo glider
douglas aircraft company
hughes aircraft company
late 1940s
post-world war ii
united states army air forces
world war ii
The AP-76 was one of the neatest-looking of the X-15 contenders... and also the poorest performer of the bunch. Looks ain't everything.
BLATANT COMMERCIALISM WARNING....
Along with the AP-76, I just added a slew of new items. The AP-76 report is a prime example of how a design *should* be...
1950s
bellaircraftcorporation
cold war
douglas aircraft company
hypersonic
jet age
nasa
national advisory committee for aeronautics
north american aviation
office of naval research
republic aviation corporation
space age
united states
united states air force
united states navy
wright air development center
Some Bell Numbers:
Ducted Fan Designs (Jay Miller's The X-Planes X-1 to X-31. Revised Edition)
D-181: 4 duct
D-182A: twin duct testbed
D-182C: twin duct testbed
D-190: Air Rescue design based on D-181/182 research (1959)
D-190/C-130: It was to be fitted under a specially modified C-130 launch...
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