Cowl fan is a speed 400 long can pusher with folding prop which has brake and reverse, location is in radiators intake duct before the radiators, aux fans are speed 400s in series and expel air through cowl gills.
Panel will have a three position sub miniture switch (REV-Off-FWD), an indicator LED for FWD and REV, and a potentiometer knob for controlling speed of motors. Electronic Speed controller (ESC) is a pulse with modulated controller designed for Radio Controlled (RC) models. Using Eric Jones controller that is designed to provide proper input to control RC model servos. Works great on Jetti ESC!
See:
http://www.europaowners.org/forums/gallery2.php?g2_itemId=28737
for information on hardware see "Cool that 914".
Y10-04-23