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Ryan X-13 Vertijet Pure-Jet VTOL Research Aircraft Family

The Ryan X-13 Vertijet was a compact pure-jet tail-sitter demonstrator built to prove vertical takeoff, transition to horizontal flight, and vertical landing from a mobile trailer. Two aircraft tested the concept from 1955 through 1957, including the first complete vertical-launch, level-flight, and vertical-recovery cycle at Edwards; the programme ended without production but established the feasibility of jet-only VTOL flight.

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Identity

Aliases
X-13X-13 VertijetRyan VertijetTail-sitter VTOL demonstrator
Family Name
Ryan X-13 Vertijet
Full Name
Ryan X-13 Vertijet Pure-Jet VTOL Research Aircraft Family
Roles
militaryexperimentalresearchtechnology_demonstrator
Status
retired
Type
aircraft

Details

Aircraft Specs
Configuration
powered_lift
Operating Modes
land
Takeoff Landing Capabilities
vtol
Description
The Ryan X-13 Vertijet was a compact pure-jet tail-sitter demonstrator built to prove vertical takeoff, transition to horizontal flight, and vertical landing from a mobile trailer. Two aircraft tested the concept from 1955 through 1957, including the first complete vertical-launch, level-flight, and vertical-recovery cycle at Edwards; the programme ended without production but established the feasibility of jet-only VTOL flight.
First Flight Year
1,955
Propulsion Configurations
  • Entries
    • Count
      1
      Propulsion System
      Role
      main
      Variant Notes
      Rolls-Royce Avon pure-jet installation; the official X-13 museum fact sheet identifies a 10,000-lb-thrust Avon without a narrower mark.
    Notes
    Official X-13 museum evidence identifies one Rolls-Royce Avon engine; no narrower Avon mark is asserted.

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Creation Time
August 13, 2026 at 22:00:47 UTC
Updated Time
August 15, 2026 at 02:44:43 UTC