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General Jet Boat Discussions
Jet guys - please translate
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<blockquote data-quote="PSG-1" data-source="post: 363543" data-attributes="member: 6937"><p>1 liter/1000 engine (1000 cc)</p><p></p><p>Performance reeds= intake manifold reeds, likely carbon fiber, as opposed to the factory's stainless steel. Makes for faster throttle response, and in the event of a reed breakage, and the reed being sucked into the cylinder, it prevents catastrophic engine failure.</p><p></p><p>Next.....</p><p></p><p>144mm axial flow pump= likely a yamaha GP800, as the 1200 is a 155 mm bore. Either one works just as well, in fact, the 144 delivers slightly higher pressure at the thrust nozzle.</p><p></p><p>custom skat trak swirl 24/19= impeller type. Swirl impeller means the leading edges are not flat and straight, but they have a slight swirl to them. Gives a little better performance in choppy water, and is less prone to fouling with grass than a conventional impeller.</p><p>24/19 is the progressive pitch. The leading edge is a 19 pitch, for take-off, and the back edge tapers out to 24, for the top end. </p><p>(I'm running a 13/19...wonder if I should go up to a higher pitch for more top speed? :idea: )</p><p></p><p>135 steering= 135 degrees, lock-to-lock. Very responsive. None of that 3 turns lock-to-lock BS like an outboard with a lower unit. </p><p>(They also make the jet boat helm in 270 degree configuration, which is what my boat uses.)</p><p></p><p>Hope I was able to translate it for ya!</p></blockquote><p></p>
[QUOTE="PSG-1, post: 363543, member: 6937"] 1 liter/1000 engine (1000 cc) Performance reeds= intake manifold reeds, likely carbon fiber, as opposed to the factory's stainless steel. Makes for faster throttle response, and in the event of a reed breakage, and the reed being sucked into the cylinder, it prevents catastrophic engine failure. Next..... 144mm axial flow pump= likely a yamaha GP800, as the 1200 is a 155 mm bore. Either one works just as well, in fact, the 144 delivers slightly higher pressure at the thrust nozzle. custom skat trak swirl 24/19= impeller type. Swirl impeller means the leading edges are not flat and straight, but they have a slight swirl to them. Gives a little better performance in choppy water, and is less prone to fouling with grass than a conventional impeller. 24/19 is the progressive pitch. The leading edge is a 19 pitch, for take-off, and the back edge tapers out to 24, for the top end. (I'm running a 13/19...wonder if I should go up to a higher pitch for more top speed? :idea: ) 135 steering= 135 degrees, lock-to-lock. Very responsive. None of that 3 turns lock-to-lock BS like an outboard with a lower unit. (They also make the jet boat helm in 270 degree configuration, which is what my boat uses.) Hope I was able to translate it for ya! [/QUOTE]
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Jet guys - please translate
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