Avrocar and Project Silver Bug

  Origins and Context

Project Silver Bug emerged from Avro Canada's Project Y-2, a classified effort to develop a disc-shaped aircraft capable of vertical takeoff and landing.¹ The U.S. Air Force funded the project in 1953, seeing potential for a revolutionary combat aircraft that could operate without conventional runways.²

  Program Structure

The program produced the VZ-9AV Avrocar, an 18-foot diameter experimental aircraft powered by three Continental J69 turbojet engines.³ The design used a central turbine to direct exhaust through a peripheral nozzle for lift and thrust vectoring control.⁴

  Legacy

Despite ambitious goals of Mach 2+ speeds and 70,000+ feet altitude capability, the Avrocar proved unstable above 3 feet and never exceeded 35 mph in testing.⁵ The program was cancelled in 1961 after spending approximately $10 million, though it advanced understanding of VTOL technologies.⁶

  References

1. cufon.org ↩

2. declassification.blogs.archives.gov ↩

3. nationalmuseum.af.mil ↩

4. nationalmuseum.af.mil ↩

5. National Museum of the U.S. Air Force - Avro Canada VZ-9AV Avrocar; Air Force Historical Support Division - Project 1794 Documents ↩

6. National Museum of the U.S. Air Force - Avro Canada VZ-9AV Avrocar; Avrocar: A Real Flying Saucer ↩