BAe P.103

BAe p. 103 History

During the 1970s and 1980s, British researchers were heavily involved in studying vertical take-off and landing (VTOL) aircraft. One notable project during this time was the P. 103 fighter jet developed by British Aerospace (BAe) at the Wharton factory. This aircraft had a unique feature: its engines were housed in tiltable outboard nacelles, allowing it to achieve both VTOL capabilities and forward propulsion.

The design work on this twin-engine aircraft began in 1978, with plans for flight tests by the mid-1980s. The engines were positioned on the sides of the fuselage, replacing the traditional tail. The main aircraft had a swept-back shape, with the engine nacelle placed in the center. The aircraft's structure included a semi-circular hull with the engines mounted on its shoulders, and the engine case had a V-shaped structure.

To enable the engines to tilt, the control surfaces were distributed around the sloping edges. The engine case had rounded intake and exhaust ports, and the tail featured a single vertical plane at the tapered end of the fuselage. The cockpit, accommodating a single pilot and an ejection seat, was located in front of the wing surface, behind the nose cone which housed the radar in the final design. The aircraft used retractable tricycle landing gear for ground operations.

The propulsion system relied on the Turbo League RB. 199 Turbofan, developed through a joint venture between Rolls-Royce (UK), MBB (West Germany), and Aeritalia (Italy). These compact turbofan units could be incorporated into the tilting engine assembly and provided the necessary power for VTOL operations. The engines could tilt up to 90 degrees, enabling takeoffs without a runway and reducing takeoff times during normal operations.

In 1980, a full-scale model of the aircraft was completed at the Wharton factory. However, due to the inherent complexity of the design, which presented numerous challenges that couldn't be overcome, the project did not progress beyond this stage. Managing the tilt function of the engines and the risk of catastrophic failure in the event of an engine loss were major concerns.

A modified version of the same aircraft concept was later developed, featuring a forward-swept/main crank configuration, while still retaining the swept attachment on the front plane.

By the end of 1982, despite its shortcomings, this ambitious aircraft project had made its mark in British aviation history.

Specification

BASICS

Year of Service: 1980

Origins: UK

Status: Development ended.

Crew: 1

Manufacturer: British Aerospace (BAe) (Warton) - UK

Operators: UK

Roles

Air-to-air combat, fighter

The general ability to actively attack other aircraft of similar form and function, usually using guns, missiles and/or airborne missiles.

Ground attack (bombing, strafing)

The ability to conduct air strikes against ground targets using (but not limited to) artillery, bombs, rockets, rockets, etc.

Disable support (CAS)

Designed to operate near active ground elements with a wide range of air-to-surface weapon and ammunition options.

X-Plane (development, prototype, tech demo)

Aircraft designed for prototyping, technology demonstration, or research/data collection.

Notable Features

Vertical Takeoff/Landing (VTOL)

The series has the tactical capability of vertical take-off and/or landing, a characteristic usually associated with helicopters.

Radar capability

Houses may house (via specialized variants) radars for searching, tracking, and attacking enemy elements.

Multi-engine

Include two or more engines to improve survivability and/or performance.

High-speed performance

Can accelerate to higher speeds than the average aircraft at the time.

Pilot/crew ejection system

Auxiliary procedures to allow pilot and/or crew ejection in the event of an air emergency.

Depression in crew members

Support the pressurization required for crew survival at higher operating altitudes.

Closed crew room

There are partially or fully enclosed crew work areas.

Scalable

Has retractable/retractable landing gear to maintain aerodynamic efficiency.

Dimensions and Weight

Length: 50. 0 feet (15.25m)

Width/span: 42. 0 feet (12.80m)

Performance

Installed: 2 x Turbo Union (Rolls Royce, MBB, Aeritalia) RB. 199-62R afterburner turbofan engine producing 20,750 pounds of dry thrust and up to 37,850 pounds of reheated thrust; electric motors mounted on the wing main aircraft element tiling mechanism for VTOL operations.

Maximum speed: 1,553 km/h (2,500 km/h | 1,350 knots)

Weapons

2 x 20mm internal automatic cannons in the lower front hull.

2 x Air-to-Air Missiles (AAM) at the wingtips (one per wing member). Other hardpoints for carrying additional AAMs are most likely to be used for jettisonable fuel tanks to extend the inherent operational range.