The "ZP" Hull

Just what is a 'zp' hull anyway?

Most of the marine industry continues to use the same technology of a century ago. By incorporating much of the technology from the auto and computer industries, Stingray has set out to revolutionize the boating industry and bring quality to a new peak.

ZP hull illustration The exclusive Stingray "zp" or "Z-plane" hull is the first major step in that direction. There are no added volumes or surfaces (strakes). Z-planes act as horizontal planing faces when submerged, and when very near the water's surface the outside edge of the Z-plane acts as a spray release. This revolutionary design passes through the water with no bubbles or vortices formed by the hull shape.

Developed on the CAD (Computer Aided Design) system, this hull is absolutely fair. The use of planar lines have caused the hull to be dip-free from whatever angle it is viewed.

The smooth flow of water generated by this design allows the propeller better bite during both straight line speed and hard cornering maneuvers.

The "zp" hull has a notched transom, adopted from the offshore racing boats, that allows the drive to be mounted higher to reduce drag and increase performance.

A numerically controlled (NC) router is used to mill full scale models for tooling, bypassing the manual lofting process entirely. This process reduces prototype cost by more than fifty percent.

The use of computerized design has taken the accuracy level of manufacturing boats from 1/16" to 1/1000" and has allowed for design to be done in 3-D. A scaled 3-D human model allows Stingray the advantage of designing the boat around you, not just making you fit.


See what third parties are saying about our exclusive Z-plane hull:

    Hot Boat Magazine
    "Let there be no doubt: there's something to this Z-plane business, and if you're skeptical, all you have to do is check the numbers."

    Have you checked the numbers?
    If not, use our Performance Comparisons to compare Stingray to other manufacturers you may be considering.

    Go Boating Magazine
    "Stingray's zp hull has a racing style notched transom, allowing the engine to be mounted higher for less drag, enhanced fuel efficiency and better top speed."

    Motorboating & Sailing Magazine
    "Design goals include turning smoothness and running efficiency - with an estimated 15- to 20-percent higher top speed and 20- to 30-percent better fuel economy than most of the competition, based on industry data from last year's similar models."

    Boating Life Magazine
    "Originally conceived to improve handling, the ZP hull design actually effected an increase in speed and a decrease in fuel consumption."

    "The design also stabilizes the ride at high speeds."

    Trailer Boats Magazine
    "From the introduction of the Z-plane hull, computer-aided design and manufacturing processes have made Stingray a leader in high-technology boat building."

    Powerboat Magazine
    "Originally, the idea behind the ZP design was to make a boat safer, but Fink found an unexpected, albeit welcome advantage-it's fast."

    Hot Boat Magazine
    "The design has made the Stingray hull one of powerboating's most efficient platforms, and its unusually high efficiency rating has enabled a generation of family boaters to derive maximum impact from their allotted horsepower ratings. In fact, Stingray owners under small-block power routinely report performance levels equivalent to those owning similarly styled craft under big-block muscle."

    "Putting the LX through a day's worth of paces reminded us once again that Stingray has made a science out of boating ergonomics."

    Hot Boat Magazine
    "The Z-plane, originally pioneered by company founder Al Fink in an effort to enhance his hull design's turning capabilities, has added a distinct performance dimension to a lineup that is consistently faster and quicker than most every other production offering in its respective class."

    "Moving through the midrange, the Stingray's positive, nicely guided ride was free of porpoise or hop, and it maintained its pure drivability and obedient, responsive nature. Even in water rougher than we had a right to be in, it was free of rattle and vibration, further evidence of its stout workmanship and sound rigging."

Hot Boat Magazine
"Not only did the boat turn better and lose the tendency to ventilate the prop, but it also ran faster with the same amount of horsepower."


For other third party reviews and articles, check out the Articles and Reviews page.




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