The model SD-8 is a spline-driven, 14-volt alternator system for aircraft with an open vacuum pump drive pad. It features an ultra-reliable, brushless construction. A permanent magnet assembly ...
The SD-20 is a high-performance spline-driven alternator that mounts on a standard vacuum pump accessory pad. It may be used either as a primary or a stand-by alternator for a rated output 20 a...