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Sikorsky S-72X RSRA X-Wing
Note: This aircraft never actually flew with the X-wing rotor. It is included to complete the historical record of this project. It flew without the rotor to test the aircraft in an emergency configuration if the rotor had been deliberately severed from the aircraft. A "stopped rotor" system allowed the 4-blade main rotor to be stopped midflight and still generate lift as "wings". To achieve this, the blades were composed of carbon fiber containing a torsion box with flexible ducts along the edges of either side. Compressed air was released to deform the ducts along the trailing edges as needed; when in the fixed-wing configuration, the blades on the lefthand side change their effected sides to create new trailing edges suitable for the position [FLIGHT INTERNATIONAL, 22 February 1986, page 18]. The X-Wing has no tail rotor; instead, the exhaust from the T58 engines was to be directed through a nozzle to counter the main rotors generated torque. Source: "Hybrid Helicopters: Compounding the Quest for Speed", Robb, Raymond L., Vertiflite, Summer 2006. Published by AHS International. Page 51
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Sikorsky S-72X RSRA X-Wing
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If you are not a member of AHS, why not join today? Be sure to also check out the many benefits enjoyed by AHS members.
Sikorsky S-72X RSRA X-Wing
This content is reserved for AHS members. If you are a current member, please use the Member Login link at the top of the page.
If you are not a member of AHS, why not join today? Be sure to also check out the many benefits enjoyed by AHS members.
Sikorsky S-72X RSRA X-Wing
This content is reserved for AHS members. If you are a current member, please use the Member Login link at the top of the page.
If you are not a member of AHS, why not join today? Be sure to also check out the many benefits enjoyed by AHS members.
Sikorsky S-72X RSRA X-Wing
This content is reserved for AHS members. If you are a current member, please use the Member Login link at the top of the page.
If you are not a member of AHS, why not join today? Be sure to also check out the many benefits enjoyed by AHS members.
Sikorsky S-72X RSRA X-Wing
This content is reserved for AHS members. If you are a current member, please use the Member Login link at the top of the page.
If you are not a member of AHS, why not join today? Be sure to also check out the many benefits enjoyed by AHS members.
Sikorsky S-72X RSRA X-Wing
Sorry, no operators have been defined for this aircraft yet.
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