Aviation research, sourced & cited.

Heat Flux In A Dual-Throat Rocket Engine

Report describes tests of dual-throat rocket engine burning hydrogen in oxygen. In tests, heat-flux profiles measured in inner nozzle and outer chamber.

Dual Spark Plugs For Stratified-Charge Rotary Engine

Fuel efficiency of stratified-charge, rotary, internal-combustion engine increased by improved design featuring dual spark plugs. Second spark plug ignites fuel on upstream side of main fuel injector; enabling faster bur…

Fault Detection and Isolation for Hydraulic Control

Pressure sensors and isolation valves act to shut down defective servochannel. Redundant hydraulic system indirectly senses failure in any of its electrical control channels and mechanically isolates hydraulic channel co…

Bridle Attachment for Aircraft Spin-Recovery Parachute

Antispin rolling moment produced by chute drag force. Parachute stowed prior to deployment. At deployment, bridle attachment produces antispin rolling moment.

Simulator for training remote-manipulator operators

Six-degree-of-freedom simulator uses economical components. Reduction in complexity makes this or similar system cost-effective for training manipulator operators, such as those in industries handling nuclear wastes and …

Hydraulic brake safety valve

Safety device, consisting of three separate fluid chambers, insures that two wheels of a brake system continue to function if a failure occurs.