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ABOUT THE J29 TUNNAN

DESIGN

The Saab 29 Tunnan was the first Swedish

aircraft to be specifically designed to use jet

propulsion. Sweden's first jet fighter, the Saab

21R, had been modified from the piston-en-

gined Saab 21. It is a small, chubby aircraft

with a single round air intake in the nose,

with the pilot under a bubble canopy directly

above the air intake duct on the upper-for-

ward section of the fuselage. It has a very thin

mid-mounted moderately swept two-spar

wing which is a single structure attached to

the fuselage by four bolts. The undercarriage

is hydraulically operated, and was designed

to be suitable for use from rough airstrips.

To improve pilot survivability, the Tunnan

used an ejection seat Saab developed in 1943,

with an explosive jettisoning system for the

canopy.

The Tunnan is powered with a single 5,000 lb

(2,300 kg) de Havilland Ghost turbojet which

have a top speed in excess of 650 mph (1,050

km/h), better performance than Sweden's de

Havilland Vampires. The engine was bolted

to the fuselage at three points and a special

trolley was used to remove the engine for

maintenance. The final version had an after-

burner, the first successful one used with a

British jet engine.

Improvements were made to the wing

to incorporate a dog-tooth leading edge,

raising the critical Mach number. From 1963

onwards, all frontline J 29Fs were equipped

with AIM-9 Sidewinder infrared-seeking air-to-

air missiles.

J2 9 TUNNAN - MANUAL

UN J 29 fighters in the Congo

FL O DI N M ODEL W O RKS

The Saab 29 Tunnan, colloquially Flygande

tunnan or just Tunnan (English: "The flying

barrel", "The barrel"), is a Swedish fighter that

was designed and manufactured by Saab

in the late 1940s. It was the second turbo-

jet-powered combat aircraft to be developed

in Sweden, the first being the Saab 21R, and it

was the first Western European fighter to be

produced with a swept wing post World War

II, only being preceded in Western Europe as

a whole by the Me 262 built during the war.

Despite its rotund appearance, from which its

name is derived, the J 29 was fast and agile

and served effectively in both fighter and

fighter-bomber roles into the 1970s.

Role

Fighter

National origin

Sweden

Manufacturer

Saab

First flight

1 September 1948

Introduction

1951

Retired

1976

Swedish Air Force

Primary users

Austrian Air Force

Produced

1948–1956

Number built

661

Text from Wikipedia:

https://en.wikipedia.org/wiki/Saab_29_Tunnan