Accuracy Improvement of Discharge Measurement with Modification of Distance Made Good Heading

Table 1

Specification of remote-controlled boat.

Length	1.35 m
Width	0.48 m
Height	0.25 m
Weight	18.5 kg
Engines	Twin DC brushless motors up to 8000 rpm
Propellers	5.59 pitch 4 blades
Hooks	Five stainless steel hooks
Grab handles	Two plastic grab handles
Mounting plates	One PCM box acyle mounting plate
Transducer holder	130 mm diameter holder
Remote controller and receiver	Hitec Optic 6 2.4 GHz 6Ch RC set
Motor controller	180 amp RC motor controller