This design is based on one published by Milan Lulic in the German magazine elektroModell. Mr. Lulic`s design is for surface mount technology (SMT) construction, whereas mine uses standard off-the-shelf components, and is therefore better suited to construction by the hobbyist.
This control has the following specifications:
Size: 1.3"L x 1.1"W x 0.7"H (3.3cm x 2.8cm x 1.5cm).
Weight: approximately 0.5 oz (14g) without motor and battery leads.
Current: 12A continuous, 18A intermittent.
Voltage Loss: 120mV @