BL-Heli 20A Brushless Speed Controller (Reversing) - Brushless Drive Style_Blade Size: 46 x 26 x

Size: 46 x 26 x 11mm (1

Beater bar speed @ 4S 14

it is potentially dangerous to add a spinning weapon to a robot

5in)Beater Thickness: 15

Screws: Nine 4-40x0

BL-Heli 20A Brushless Speed Controller (Reversing) - Brushless Drive Style_Blade Size: 46 x 26 x20A Brushless Speed Controller programmed for both Forward and Reverse directions (for drive motors) Perfectly matched to the "Brushless Mega Spark" 24mm Premium Planetary Gearmotor Specifications: Operates on BLHeli S software Voltage: 7. 4V 14. 8V (2 4S lipoly) Current: 20A continuous Size: 31 x 15 x 5. 3mm (1. 2 x 0. 6 x 0. 2in) Size with plastic case: 35. 2 x 20. 7 x 8. 3mm (1. 4 x 0. 8 x 0. 3in) Weight: 9. 0grams (0. 3oz) Motor wires: 3. 5mm