Bell XV-3 Tiltrotor Research Aircraft Family
The Bell XV-3 was a two-aircraft U.S. Army/U.S. Air Force tiltrotor research design that first flew on August 11, 1955. Its rotors tilted at the wingtips while the engine remained in the fuselage, unlike the later XV-15’s rotating engine nacelles. Bill Quinlan completed the first full in-flight conversion from helicopter to airplane mode on December 18, 1958. Flight and wind-tunnel experiments explored rotor, pylon, and wing dynamics and the aeroelastic instabilities that limited speed. The research established the feasibility of conversion while exposing structural-dynamics problems that later tiltrotor designs had to solve.
Follow this vehicle family
Future launches and major activity directly linked to this vehicle family.
Identity
- Aliases
- Bell XV-3XV-3Bell 200XV-3AConvertiplane
- Family Name
- Bell XV-3
- Full Name
- Bell XV-3 Tiltrotor Research Aircraft Family
- Roles
- researchexperimentaltechnology_demonstrator
- Status
- retired
- Type
- aircraft
Details
- Aircraft Specs
- Configuration
- powered_lift
- Operating Modes
- land
- Takeoff Landing Capabilities
- vtolstol
- Description
- The Bell XV-3 was a two-aircraft U.S. Army/U.S. Air Force tiltrotor research design that first flew on August 11, 1955. Its rotors tilted at the wingtips while the engine remained in the fuselage, unlike the later XV-15’s rotating engine nacelles. Bill Quinlan completed the first full in-flight conversion from helicopter to airplane mode on December 18, 1958. Flight and wind-tunnel experiments explored rotor, pylon, and wing dynamics and the aeroelastic instabilities that limited speed. The research established the feasibility of conversion while exposing structural-dynamics problems that later tiltrotor designs had to solve.
- First Flight Year
- 1,955
- Manufacturer
Links
Assets & Meta
- Creation Time
- August 9, 2026 at 04:45:27 UTC
- Updated Time
- October 29, 2026 at 15:27:14 UTC