Convair NB-36
1955
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Convair NB-36

Sometimes known as the Crusader, the NB-36 was intended to prove the feasibility of carrying a nuclear reactor in flight, towards an eventual goal of a nuclear-powered aircraft with unlimited endurance. The NB-36H was built using components from a B-36 destroyed in a tornado with a new nose compartment heavily lined with lead and thick yellow tinted glass to protect the crew from radiation. The consequences of an NB-36H crash were so frightening that several support planes, including one filled with a team of paratroopers, followed the aircraft on every flight. Should the NB-36H crash or have to jettison its reactor, they would jump and secure the site and help with clean-up. A hotline to the president's office was set up in case of disaster. It was nearly used on one flight when a smoke marker went off in the reactor compartment.

Convair NB-36


Specification 
 CREW5
 WEIGHTS
    Take-off weight162305 kg357823 lb
 DIMENSIONS
    Wingspan70.10 m229 ft 12 in
    Length49.38 m162 ft 0 in
    Height14.23 m46 ft 8 in
 PERFORMANCE
    Max. speed676 km/h420 mph

Comments 
Ray E. Cartier, atadir(@)sbcglobal.net, 07.05.2008

Was the NB-36H rebuilt in Ft. Worth? Tornado damage suggests that. Or, was it done in Southern California?

James D(JD) Endicott, jdend(@)sbcglobal.net, 12.09.2007

I worked at Convair from 1955-1959 on the NB-36H as an electronics tec. We also had a 3 mega watt reactor which we did many tests on various equipment used by Nasa.

James Nelson, nelsonteam(@)version.net, 12.07.2007

I started my days at Consolidated- Vultee with the B-36D and then went on to the C-T29B/C followed by the C-440 and later on the C-880/C-880M finishing my aircraft time with the C990/C990A. I retired from Convair after a long time with Atlas and AtlasII at both Harlingen TX.and Vandenberg AFB CA, Presently am doing research on writting an artical on all of Convair/Canadair a branch of G-D Turbo-Proped aircraft along with pictures and 1:144 scale models of same. I'm well into the whole line of Convair aircraft prior to WW2 and during same I presently have most of all the models produced and some I produced myself. I guess one could say I'm well into Aviation History. Maybe I might be hearing from you sometime. By the way the C-990 was leftout on the Convair Aircraft page 3 for 1960 thru 1962 period.

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FACTS AND FIGURES

© The five-man crew, which included a pilot, copilot, flight engineer and two nuclear engineers, were located in the forward section of the aircraft, while the atomic reactor was located in the rear section.

© The crew were so isolated from the engines and the outside world because of the thick shielding that they could barely hear the very noisy engines and likened the experience to flying a submarine.

© The engines of a normal B-36 were inspected in flight by the aft crew members. On the NB-36H this was done by a television camera system, as was observation of the reactor itself.

© The reactor did not power the aircraft or any of its systems. It was only operated when the XB-36 was over a test range in New Mexico. In all the 'Crusader' only made 47 flights, all of them in daylight and beginning and ending at Carswell AFB, Texas.



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