Throttle Quadrant – give me a brake

Another status update of the throttle quadrant. Meanwhile I’m working on the outer panels with the flaps, speedbrake, parking brake and stab trim functions. After checking more TQ projects photographs and videos on the internet I noticed the two ‘stops’ on the aluminum flaps guide, which are not always present on the throttle quadrants that … More Throttle Quadrant – give me a brake

Throttle Quadrant – short status update

Just a short status update on the throttle quadrant: the electromagnetic clutches from China have arrived and the first feasibility tests look promising. Although the normal operating voltage for the clutches is 24V it looks like supplying them with 12V instead has some advantages: they get less hot and friction is strong enough to move … More Throttle Quadrant – short status update

Throttle Quadrant

On internet many DIY-projects can be found for building a Boeing 737 Throttle Quadrant. Most of them use a sandwich construction of 11 wooden plates connected with 8 mm full threaded rods. The throttle, flaps and speedbrake handles rotate around a central rod and switches and potentiometers are attached to the wooden plates. When checking … More Throttle Quadrant