The PBS TJ150 is a turbojet propulsion engine for high-speed unmanned aircraft. It develops 1,500 N of thrust and uses a 272 mm outer-diameter installation envelope. Its architecture supports compact integration in aerospace platforms.
The PBS TJ150 is a turbojet engine for unmanned aircraft and missiles from PBS Aerospace, developed for high-speed platforms such as target drones and defence UAVs. It is based on the maker's TJ100 concept, and a TJ150P variant is also offered.
The principal figure is a maximum thrust of 1,500 N. For an integrator, this thrust class suits jet-powered target drones and fast reconnaissance or strike-type unmanned aircraft with a take-off mass in the low hundreds of kilograms, depending on drag and the mission profile. The service ceiling is 10,000 m, and the time between overhaul is 50 hours, which fits expendable or short-life use more than long-term fleet operation and should be included in the cost per flight hour.
The installation envelope is compact: an outer diameter of 272 mm and a length of 636 mm, with a mass of 18.1 kg. These figures set the minimum fuselage cross section and the nacelle or bay needed around the engine. The specified operating temperature range runs from -50 C to +45 C.
Starting is by an electric device with a pyrotechnic element, intended to give an immediate and reliable start in critical applications, which suits launch from a rail or a carrier aircraft without ground starter equipment. The engine has an oil tank intended to keep lubrication stable under all operating conditions, and it is adapted for landing in saltwater, a requirement for target drones recovered at sea and for naval operations.
PBS lists the intended use as defence, with missiles and UAVs as the applications. The grade is professional, and the engine is in production. For airframe design, the engine's fuel, starter and electrical interfaces are defined in the maker's brochure and by agreement with PBS, so integrators should obtain the interface documents before fixing the installation layout.
Typical applications are aerial target drones, high-speed reconnaissance and strike UAVs, and cruise-missile-type vehicles where a small, single-use or short-life jet engine is preferred over a piston engine.
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