(1) the latest design, using glass fiber reinforced plastic materials manufacturing, hull corrosion, lighter, extremely easy in use fixed number of year for 8 years.

(2) hull internal use polyurethane filler, disposable foaming material will sink and anti-settling function is admirable, use for a long time, even if there is little water, but also from the design of drainage bolt vent.

(3) sides buoys, namely into three, balance stable.

(4)using artificial gear drive system, not only protect the propeller is greatly improve the environment, speed, 8-13km/h, very entertaining.

Water cycling technique parameters:  

Length	Breadth	High	Net Weight	Draft	Moulded Depth	Speed	Draft
3.7m	1.68m	1.6m	125kg	0.12m	0.25m,	8~13	0.12m