Bristol-Coanda Monoplanes Airplane Videos and Airplane Pictures

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Bristol-Coanda Monoplanes

Bristol-Coanda Monoplanes Aircraft Information

Bristol-Coanda Monoplanes

Bristol-Coanda Monoplanes

Bristol-Coanda Monoplanes

Role: Trainer
Manufacturer: Bristol Aeroplane Company
Designed by: Henri Coandă
First flight: 1912
Number built: 37
Variants: Bristol TB.8

The Bristol Coanda Monoplanes were a series of monoplane trainers designed by the Romanian designer Henri Coandă for the British company British and Colonial Aeroplane Company.

Design and development

The Romanian aircraft designer Henri Coandă joined the Bristol in January 1912. His first design for Bristol was a two-seat monoplane trainer, a development of the Bristol Prier Monoplane, controlled by wing warping. The first prototype flew in March 1912. A series of similar aircraft followed with both tandem and side-by-side cockpits, known as the School Monoplane and the Side by Side Monoplane.

A more powerful derivative was built for a competition to provide aircraft for the British War Office. Two aircraft, known as Competition Monoplanes were built and entered into the competition, together with two Bristol Gordon England biplanes. The aircraft were flown by Harry Busteed, Bristols test pilot and James Valentine.

These did well in the competition, rated equal fifth and described at the time as "well-designed and well-constructed" though criticised as "heavy for the wing area" and lacking in power. This resulted in their being purchased by the War Office for use as trainers by the Royal Flying Corps. These two aircraft formed the basis for a revised military trainer, the Military Monoplane, which had increased wingspan.

The Military Monoplane later formed the basis for the Bristol TB.8, several being rebuilt into TB8s.

Operational history

The first School and Side by Side monoplanes entered service with flying schools operated by Bristol at Larkhill and Brooklands. One tandem and two side-by-side machines were sold to Italy, with four tandem and three side-by-side aircraft being sold to Romania.

The two Competition Monoplanes were purchased by the War Office after the Military Aircraft Competition, being used as trainers for the RFC. However, on 10 September 1912, one of the Competition Monoplanes crashed, killing Lts. E. Hotchkiss and C.A. Bettington. While this was traced to one of the bracing wires becoming detached, it resulted in a five month ban of flying of all monoplanes by the military wing of the RFC.

Despite this ban, Military Monoplanes were purchased by Romania and Italy, with a production license being granted to Caproni (although this license was later cancelled, only two being built by Caproni).

Variants

School Monoplane
Trainer aircraft with tandem cockpits. Powered by 50 hp (40 kW) Gnome engine. Six built.
Side by Side Monoplane
Trainer aircraft with side-by-side cockpit. Powered by 50 hp (40 kW) Gnome engine. Six built.
Competition Monoplane
Two aircraft built for War Office Military Aeroplane Competition. Powered by 80 hp (60 kW) Gnome engine.
Daimler Monoplane
Single aircraft powered by 70 hp (50 kW) Daimler engine. Overweight and unsuccessful.
Military Monoplane
Improved development of Competition Monoplane with increased wingspan. Powered by 80 hp (60 kW) Gnome engine. 21 built.

Operators

Italy Romania United Kingdom

Royal Flying Corps

Aircraft on display

A single Bristol Coanda Monoplane survives, in the Gianni Caproni Air Museum, Trento, Italy, being the oldest surviving Bristol aircraft still in existence. This aircraft was a pattern aircraft sent to Caproni as a basis for their licensed production., never being flown, but was restored to a complete example for display at the museum

Specifications (Military)

Data from Bristol Aircraft Since 1910

General characteristics

Crew: Two
Length: 29 ft 2 in (8.89 m)
Wingspan: 42 ft 9 in (13.03 m)
Height: 7 ft 0 in (2.13 m)
Wing area: 280 ft (26.0 m)
Empty weight: 1,050 lb (477 kg)
Max takeoff weight: 1,775 lb (807 kg)
Powerplant: 1x Gnome Rotary engine, 80 hp (60 kW)

Performance

Maximum speed: 62 kn (71 mph, 114 km/h)

Related development

Bristol TB.8

Bristol-Coanda Monoplanes Pictures

Living Warbirds: The best warbirds DVD series.

Source: WikiPedia

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