According to the company, Braun reported engine temps in the 160 degree range, commenting that the gearbox temperatureĀ was so low that the EFIS showed itĀ in the yellow. Braun said he expectedĀ gearbox temperatures at least the same as the engine. However, it is typical for the Geared Drives PSRU to operate at a temp much lower thanĀ the engine, the company says.
For more information on the Geared Drives FWF package and to see a short video of Braun’s first flight, click here.