O.S. 155 FS-a Engine Test

This is a PC-controlled thrust test of the new O.S. 155 FS-a four-stroke glow engine with a pump system. This test is with an APC 17X8 composite propeller. Top RPM is 8,650, producing 18 lb thrust. Data from this test and 6 other propellers will be used to produce comparative performance graphs which will be published in an Engine Review article in an upcoming issue.

Видео O.S. 155 FS-a Engine Test канала RC Sport Flyer