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Birch gun - Wikipedia, the free encyclopedia

Birch gun

From Wikipedia, the free encyclopedia

Birch Gun Mk II
Type self-propelled gun
Place of origin Flag of the United Kingdom United Kingdom
Specifications
Weight 12,100 kg (26,500 lb)
Length 5.80 m
Width 2.40 m
Height 2.30 m
Crew 6

Armour 6 mm (0.24 inch) Steel
Primary
armament
1 x 75 mm (2.95 inch) Gun
Secondary
armament
n/a
Engine 1 x Armstrong Siddeley 8 cylinder petrol engine
90 hp (67 kW)
Power/weight  ?
Suspension Bogie
Operational
range
192 km (119 miles)
Speed 45 km/h

The Birch Gun was the world's first really practical self-propelled artillery gun, built at the Woolwich Arsenal in 1925 . The gun was never highly regarded by the British High Command, purely for prejudicial beliefs and political pressure rather than any real lack of ability[citation needed]. Named after General Sir Noel Birch, who was Master General of Ordnance at the time, the Birch gun had real potential. It was built upon a Vickers medium tank chassis and mated originally with the 18 pdr (83.8 mm) then with a 75 mm field gun. The project was abandoned in 1928 after political pressure killed off any plans to complete the third version of this weapon.

Contents

[edit] Armament

The armament for the original Birch Gun consisted of a Ordnance QF 18 pounder field gun (3.3 inch, 84 mm).[1] This was changed to the 75 mm gun on the Birch gun Mk II and from then on was able to be fired either at ground targets or in the air-defence role, being given a much higher rate of elevation to be fired at enemy aircraft.

[edit] Powerplant

The Armstrong Siddeley engine was modestly powerful being only 8 cylinders it could manage 90 hp for a mild 45 km/h top-speed however, for its time (late 1920s) it was quite fast.

[edit] Use

The Birch gun was tested as part of the Experimental Mechanised Force in the 1920s. The Force undertook various experiments in mechanized warfare combining tanks and infantry with their own transport.

The composition of the force was:

[edit] References

[edit] External links


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