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British Industrial History

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Boulton Paul Aircraft: Sidestrand

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1927. Sidestrand day bomber.
November 1932. (Flight 1932/11/17).
November 1932.

Note: This is a sub-section of Boulton and Paul.

1926 Day bomber. Twin-engined three-crew biplane powered by two 460 hp Jupiter VIIIF engines. 18 aircraft produced but four were converted to its successor the Overstrand.

The Sidestrand had three open gun positions; nose, dorsal and ventral. There was usually a crew of three; pilot, nose gunner and a gunner for the dorsal or ventral positions, the choice depending on where each aircraft flew in a formation. Armament for each position was a .303 in (7.7 mm) Lewis gun, the gun being moved between the two rear positions as required.

It was powered by two Bristol Jupiter VIIIF 9-cylinder air-cooled radial engine, 460 hp (343 kW) each.


Sidestrand I

  • Two prototypes.

Sidestrand II

  • Production variant, six built converted to Sidestrand III.

Sidestrand III

  • Improved production variant, twelve built, four converted to Boulton Paul Overstrands.

Sidestrand V

  • Improved variant modified from a Mark III with more powerful engines, an enclosed cockpit and nose-mounted power-operated turret, renamed Boulton Paul Overstrand

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