Ryan XFR-1 Fireball

Ryan Aeronautical · United States · first flew 1944 · fighter

The Ryan XFR-1 Fireball was the prototype of the FR-1 Fireball, a unique composite-powerplant carrier fighter combining a conventional piston radial in the nose with a jet engine exhausting through the tail for boosted performance.

Recognition (WEFT)

W — Wings	Mid-mounted, straight
E — Engines	2 × turbojet, nose-mounted
F — Fuselage	9.09 m fuselage
T — Tail	Conventional

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Unique composite piston-plus-jet fighter for US Navy
Wright R-1820 in nose plus GE J31 jet in tail
Low straight wing with single tail fin

The only production aircraft with a piston engine in the nose and a jet exhaust at the tail; the large four-blade propeller combined with jet exhaust nozzle at the tail root is the unmistakable identification feature.

Specifications

The Ryan XFR-1 Fireball has a length of 9.09 m (30 ft).
It has a wingspan of 12.19 m (40 ft).
Its maximum speed is 756 km/h (470 mph).
Typical crew: 1.

Figures are for the representative variant described above; marks differ. See how AircraftIQ sources figures.

History

The XFR-1 first flew in June 1944 at a time when jet engines alone lacked the reliability and range for carrier operations. Ryan's solution was to pair a Wright Cyclone piston engine with a General Electric J31 turbojet, allowing carrier approach on the piston engine alone if the jet failed. Production FR-1s entered service in late 1944 but arrived too late for World War II combat; the type was retired quickly as pure jets matured.

Variants

The XFR-1 prototype led to the FR-1 production variant; an XFR-2 with two jet engines and no piston was proposed but not built.

Where you'll see it

The FR-1 briefly equipped one US Navy squadron in 1945; retired by 1947 as pure-jet fighters became reliable enough for carrier use.

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