Sea Queen built about 50 years ago by my father. Originally powered by a Merco 49 now powered by a brushless motor. Motor is a Tornado Thumper 4250 800kV with an 80A FrSky ESC. Battery is an Overlander 6s 5000mAh. Cannot run at full throttle as it exceeds the 1kW rating of the motor but still has a good turn of speed.