British Army Dirigible No 1
| Dirigible No 1 | |
|---|---|
 |
|
| Role | Semi-rigid airship |
| Manufacturer | Royal Engineers |
| Designer | Col. John Capper and Samuel Cody |
| First flight | 10 September 1907 |
| Number built | 1 |
British Army Dirigible No 1, christened Nulli Secundus (Latin: "Second to none") was a Semi-rigid airship. First flown on 10 September 1907, it was Britain's first powered military aircraft.
Built at the Army's Balloon Factory at Farnborough, the early design work was carried out by Colonel James Templer, and it was completed by Colonel John Capper of the Royal Engineers and Samuel Cody, who was mainly responsible for developing the steering gear and power installation. It had a cylindrical envelope constructed from goldbeater's skin without internal ballonets, from which a long triangular-section framework of steel tubing was suspended by four silk bands. The control surfaces, consisting of a rudder and elevators at the rear, a pair of large elevators amidships and a further pair at the front, were attached to this framework, and a small gondola containing the crew and power installation suspended beneath it. It was powered by a 50 hp (37 kW) Antoinette engine driving a pair of two-bladed aluminium propellers via leather belts.
Nulli Secundus was first flown on 10 September 1907 at Farnborough, with Capper at the controls assisted by Cody and Captain King. Two flights were made: during the first the airship was flown for around three miles at a height of about 200 ft (60 m), the flight being terminated by an engine fault. A second flight was made later in the day, the propeller blades having been reduced in area in order to increase their speed of revolution.
A more public appearance was made on 5 October when she flew from Farnborough to London. Taking off at 11:00 pm and crewed by Capper, Cody and Lieutenant Waterlow, she completed a tour over the city taking in Whitehall and Buckingham Palace, and after circling St Paul's Cathedral they attempted to return to Farnborough, but 18 mph (29 km/h) headwinds forced them to land at the Crystal Palace, Sydenham. The flight had lasted for 3 hours and 25 minutes and covered 50 miles (80 km) overland.
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