Saab J-29 Tunnan

The early Swedish jet fighter built for postwar air defense.

Overview

Saab Gripen Sweden ICAO: SB29 1948–1956 Active $15 million

The Saab J-29 Tunnan was one of Sweden’s first operational jet fighters. Developed in the late 1940s, it featured a distinctive barrel-shaped fuselage and swept wings. The aircraft provided Sweden with modern air defense capability during the early Cold War.

Live Fleet Activity (SB29)

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Specifications

Units
Engine
1 × Volvo Aero RM2B turbojet
Engine type
Jet
Thrust
6,070 lbf · 27 kN
Avionics
—
Wing tips
No winglets
Seats
1
Crew
—
Cabin width
—
Cabin height
—
Cabin length
—
Exterior length
33 ft 3 in  ·  10.13 m
Tail height
12 ft 4 in  ·  3.75 m
Fuselage diameter
4 ft 11 in  ·  1.50 m
Wing span
36 ft 1 in  ·  11.00 m
Baggage volume
—
Gross weight
—
Empty weight
—
Max takeoff weight
18,500 lb  ·  8,400 kg
Max landing weight
—
Max payload
3,300 lb  ·  1,500 kg
Fuel capacity
830 gal · 3,100 L · 2,500 kg (Jet A)
Max cruise speed
572 kt  ·  658 mph  ·  1,059 km/h
Maximum speed
—
Cruise speed
—
Approach speed
—
Range
1,458 nm  ·  1,680 mi  ·  2,700 km
Fuel burn
1.20 nm/gal  ·  0.59 km/L
Ceiling
50,850 ft  ·  15,500 m
Rate of climb
6,320 ft/min  ·  32 m/s
Takeoff distance
2,600 ft  ·  790 m
Landing distance
2,150 ft  ·  650 m
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SAAB J-29 Tunnan.

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Operational Context

Saab J-29 Tunnan — Swedish early jet fighter

The J-29 first flew in 1948 and entered service in 1951. It incorporated swept-wing aerodynamics influenced by contemporary research into high-speed flight. The aircraft was designed to provide Sweden with a domestically produced jet fighter capable of intercept missions.

Powered by a de Havilland Ghost turbojet engine producing approximately 5,000 pounds of thrust (22 kN), the J-29 could exceed 650 knots (1,200 km/h). Maximum takeoff weight was around 18,000 pounds (8,165 kg). Armament typically included four 20 mm cannon.

The Tunnan served with the Swedish Air Force and saw limited international deployment in United Nations missions. Its performance marked a significant advancement for Swedish aerospace engineering. The aircraft remains a milestone in early European jet fighter development.