The smaller nozzle with the same mass flow rate could provide a higher thrust as the exit velocity will be higher than with the larger nozzle. there is a bit of a fine balancing act for any given impeller to get the maximum thrust at the boats operating speed with the amount of horsepower available.. Fig. l is a side elevation of a jet boat incorporating the novel control system of the present invention. fig. 2 is an enlarged side elevation of the rear portion of the jet boat of fig. 1 with a portion broken away to show internal details of a nozzle arrangement iforming a part of the present arrangement.. 4.3 metre river boat, 3.6 litre holden, 812 two stage jet with trim nozzle this boat has been designed for shallow water boating, slow planing, and very easy access. richard is a keen fisherman - and also wanted a boat that would work for his 80 year old dad..
Scott design and manufacture ltd specialize in water jet units and accessories for boat builders and jetboat enthusiasts. scott jet pumps have won every world series super boat title since 1995. scott high performance jet drives, trim nozzles and impellers are manufactured by konrad scott in winchester, new zealand, and distributed in the usa and canada.. The solid water jet nozzle was the first cone nozzle to appear in history and at first was the simple pipe-end that we mentioned in the first article of this blog, through which water was discharged at a certain pressure (fig. 10). depending on the tilt of the pipe-end, the water jet rises vertically or forms a parabola.. This patented design extends the boat’s keel and moves in perfect relation to the jet pump nozzles to provide directional stability and maximum control while docking or maneuvering around other boats..
0 komentar:
Posting Komentar