Piper engines were built by Piper-Target Technology, Ltd. (TTL) of Ashford, Kent, UK. The firm developed a pair of two-stroke cycle single-cylinder and the pair of HOAE described below for very small remotely piloted vehicles (RPV) and ultralight home built aircraft.
O-5 (2-Stroke) -- {1.575 / 1.273 / 5.0} / {40 / 32.33 / 81}
2cyl; Piper P.80/2; 5hp@7200rpm; 1984-1988; Wt = 6#.
Microprocessor fuel control with two carburetors, lightweight generator, and solid-state single ignition.
BGP; J84-85toJ87-88.
Applications: (UK) ML Aviation Sprite RPV rotorcraft.
O-12 (2-Stroke) -- {2.189 / 1.606 / 12.1} / {55.6 / 40.8 / 198}
2cyl; Piper P.200; 16hp@7200rpm; 1984-1988; Wt = 11#.
Microprocessor fuel control with two carburetors, lightweight generator, and solid-state single ignition.
BGP; J84-85toJ87-88.
Applications: (UK) British Aerospace Stabileye RPV.