Глостер Е.28-39 | |
| Країні | Великобританії |
| Тип | Реактивні літаки |
| Перший політ | 15 травня 1941 р. |
| Побудований | 2 прототипи |
Фотогалерея Глостер Е.28-39, The Gloster E.28/39, (also referred to as the “Gloster Whittle”, “Gloster Pioneer”, or “Gloster G.40”) was the first British jet-engined aircraft to fly. It was designed to test the Whittle jet engine in flight, leading to the development of the Gloster Meteor.
Джерело: Глостер Е.28-39 на Вікі
| Gloster E.28-39 WalkAround | |
|---|---|
| Фотограф | Ondrej Skarka |
| Локалізацією | Незнай |
| Фото | 15 |
Купи мені каву| Gloster E28-39 (Prototype) Walk Around | |
|---|---|
| Фотограф | Unknow |
| Локалізацією | Незнай |
| Фото | 11 |
| Gloster E28-39 Walk Around | |
|---|---|
| Фотографів | Howard Mason, Mark Hayward |
| Локалізацією | Незнай |
| Фото | 31 |
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The Dawn of British Jet Propulsion
У 201 Глостер Е.28/39 was not intended to be a fighter, but a flying laboratory. Designed to test Sir Frank Whittle’s revolutionary gas turbine engine, it was a “no-frills” aircraft built around a single central air duct. When it first took to the sky on May 15, 1941, it sounded like nothing the British public had ever heard—a high-pitched whistle rather than the roar of a piston. While the Germans had flown a jet first (the He 178), the E.28/39 was far more sophisticated and stable, proving that jet aircraft were not just possible, but the inevitable future of aviation.
| Attribute | Technical Specification (Prototype W4041) |
|---|---|
| Роль | Experimental Research Aircraft |
| команда | 1 (Test Pilot) |
| First Flight | May 15, 1941 (RAF Cranwell) |
| Силова установка | 1 × Power Jets W.1 centrifugal-flow turbojet |
| Static Thrust | 860 lbf (3.8 kN) — later models reached 1,700 lbf |
| Максимальна швидкість | 338 mph (544 km/h) initially; 466 mph (750 km/h) with W.2/500 |
| Service Ceiling | 32,000 ft (9,800 m) |
| Зброя | None (Provision for 4 × .303 Brownings was never used) |
Design Engineering: The Centrifugal “Squirt”
- Straight-Through Flow: The air entered through a single hole in the nose, split into two ducts to pass around the pilot’s cockpit, and merged again at the engine intake. This allowed for a very clean aerodynamic nose but contributed to the aircraft’s “tubby” appearance.
- Whittle’s Centrifugal Engine: Unlike modern axial-flow jets, Whittle’s W.1 engine used a centrifugal compressor (like a turbocharger). It was simpler to build but required a large-diameter fuselage to house the circular engine and its ten combustion chambers.
- Tricycle Landing Gear: The E.28/39 was the first British single-engine aircraft to use a nose-wheel configuration. This was essential to keep the jet exhaust parallel to the ground, preventing it from scorching the grass or tarmac during takeoff.
- High-Speed Stability: As the aircraft reached higher speeds than any previous Gloster design, small “finlets” were added to the horizontal stabilizers to improve rudder effectiveness and directional stability.
Historic Milestones and Legacy
- The First “Hop”: During high-speed taxi trials in April 1941 at Hucclecote, the aircraft unintentionally lifted off for several short “hops,” making it technically the first time a British jet left the ground.
- Gerry Sayer: Gloster’s Chief Test Pilot, Gerry Sayer, was the man who made the historic first flight. He described the aircraft as “exceptionally smooth” compared to the vibrating piston planes of the era.
- The Missing Guns: The original Air Ministry specification (E.28/39) actually called for four machine guns. However, because the early engines were underpowered, every ounce of weight was saved, and the weapons were deleted to prioritize flight data.
- Survival: The first prototype (W4041) survived the war and now takes pride of place in the Science Museum in London. It remains the most important physical artifact of the British jet age.
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