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X-18

Hiller Aircraft · Experimental prototype · USA · Early Jet (1946–1969)

X-18 — Experimental prototype
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The Hiller X-18 was an experimental cargo transport aircraft designed to be the first testbed for tiltwing and V/STOL technology.

Specifications

Category
Fixed Wing
Sub-Category
Experimental
Domain
Defence
Era
Early Jet (1946–1969)
Country
USA
Manufacturer
Hiller Aircraft
Primary Role
Experimental prototype
Service Entry
1959
Produced
1
Engine
2× coupled turboprop engines
Thrust / Power
5850 hp each
Length (ft)
63
Wingspan (ft)
48
Empty Weight (lb)
27052
MTOW (lb)
33000
Service Ceiling (ft)
35300
Max Speed (mph)
253