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Note: This is a sub-section of Boulton and Paul.
1924 Boulton and Paul produced a new twin-engined day-bombing machine, the Bugle.
This machine was of the biplane type, and was fitted with two Jupiter engines, operating in tractor fashion. Its wingspan was 62ft. 6in., and a total wing area of 932 square feet; with a gross weight of 8760 lb., it had a useful load of 3681 lb., and a surface loading of 9.2lb per square foot. At ground level its speed was 120 mph. It could climb to 10,000ft in 15 minutes, and to 15,000ft. in 39 minutes.