- New sleeker hydrodynamic profile
- Enjoy better performance and greater fuel savings
- Easy no-drill installation
- By capturing the prop wash, the XRIII harnesses power for added thrust
- For engines up to 300 hp
Product Features |
Product Description
The Sting Ray XRIII is designed with a new sleeker hydrodynamic profile for the fastest hole shot yet. This unique design mirrors the tunnel-prop technology of offshore superboats. By capturing the prop wash, the XRIII harnesses its power for added thrust. You'll enjoy better performance and greater fuel savings. The XRIII also utilizes a vice-block 3-point locking system for easy no-drill installation. No more measuring. No more templates. No more damage to your engine. For engines up to 300 hp.
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Most Helpful Customer Reviews
18 of 18 people found the following review helpful:
4.0 out of 5 stars
Smooths out the rough spots,
By
This review is from: Sting Ray XRIII Senior Hydrofoil Stabilizer (Misc.)
Having just bought my first boat in 30 years, I'm still relearning some things about handling a 16 foot boat. The first few times out on rough water the bone jarring slams between waves grew old quickly. Several boater friends suggested getting a stabilizer. After researching a number of options, I decided on the Stingray XRIII. It claimed to be the best in several aspects and was twice the price of the others I looked at, but if it did as claimed then I felt it would be worth it.
I received the Stingray the week before Fathers Day and with a planned gathering at my brothers place on a local lake I felt I had a great opportunity to test this out. It was windy and the flurry of other boats on the lake made for some pretty rough going. I started off without the stabilizer on the motor, my son and I cruised around, taking notes on things like fuel flow rate, smoothness of ride and hole shot time. Took the boat back to my brother's dock and quickly installed the Stingray. Installation is super easy and we were back out in less than ten minutes. Here are the claims made by the manufacturer and my findings: Claim... "By capturing the prop wash, the XRIII harnesses its power for added thrust." Findings... Inconclusive, the water was too rough to really go full out for more than a short run, but the indication is that this is true. The boat does seem to go faster at a given RPM compared to running without it. The "rooster tail" is all but gone too, since the Stingray sticks out about 18 inches behind the prop, it catches the prop wash that is usually thrown up above the surface and directs it back, thus capturing that wasted energy. Claim... "Better Fuel Efficiency" or "You'll enjoy better performance and greater fuel savings." Findings... I really can't say for sure, running flat out is still running flat out, so the fuel consumption is going to remain the same, however, since you get better speed, you'll get from point A to point B quicker, so using less fuel between two given points would stand to reason. Claim... "Stops Porpoising" Findings... It certainly does smooth out the roughness of choppy water and eliminated the porpoising I experienced at anything above my test speed of 30 MPH. In fact I was able to open it up full throttle or nearly 40 MPH for a short distance without being banged to death like we were without the Stingray installed. It was still rough water, but I couldn't open it up all the way before, and though still not a nice ride at that speed, it was much smoother than before the Stingray was installed. Claims... "...fastest hole shot yet", "On Plane up to 50% Faster" and "Reduced Bow Rise" Findings... "YES! My son and I took an average of three times trials without the stabilizer on, and my boat took between 6 and 7 seconds to get up on plane each time. After the Stingray was installed it took three tries just to get the time. The transition is so smooth and without the usual bow rise that I was missing the point where plane was achieved. When I finally figured out when the boat was reaching plane, the time was just over three seconds, or half the time as without the Stingray and the process of getting there is almost level and smooth as silk. A wonderful improvement almost worth the cost for this alone. Conclusion: I took the boat out on Puget Sound last weekend, and it was great, the Sound is a big body of water that is pretty rough most of the time, so I really wasn't sure I wanted to take a 16 foot boat out there. It's been two weeks since Fathers day, and Sunday was beautiful with very calm water, so we put the boat in the sound and went for a 30 mile cruise. Even as the wind came up and the water grew choppier the boat handled beautifully. We had three people on board, but I was still able to approach 40 MPH, I have only been able to achieve about 42 MPH when alone before now. So the Stingray XPRIII hydrofoil does seem to give a speed increase, a much faster hole shot, and far smoother ride. I'll need to do further testing on the fuel economy claims, but the bottom line is that with the improvements I see so far, I think it was worth the investment to buy the most expensive hydrofoil/stabilizer I've looked at.
4 of 4 people found the following review helpful:
3.0 out of 5 stars
Lost stabilizer because of no drilling,
By
This review is from: Sting Ray XRIII Senior Hydrofoil Stabilizer (Misc.)
Bought in Feb. Lost in April. Worked great for a while. The entire fin with torque plate is in bottom of lake. I did not hit anything. An I tighten as far as to just not break anything. I will get another one but will not trust the "No Drilling Required"
3 of 3 people found the following review helpful:
4.0 out of 5 stars
Does all it should... except top-end,
By CFI Tom (NH) - See all my reviews
This review is from: Sting Ray XRIII Senior Hydrofoil Stabilizer (Misc.)
I have a Starcraft FD 191 deck boat with a Yamaha 150 4-stroke. the boat is a bit on the heavy side and is also a bit tail-heavy. Having experienced the benefits of a Sport Marine Hydrofoil [...] on my previous boat which was underpowered, I immediatly wanted to get the same improvements on my new boat without drilling into a brand new engine. Previously the boat had a tremendous about of bow rise at hole shot, took ~11 seconds to fully plane out, fell off of plane at 22mph(3500rpm), and topped out at ~45mph.
Now the bow rise is less pronounced and of much shorter duration, planes-out at ~6 sec, stays on plane down to 15mph with much less trim jockeying, HOWEVER, the top end is now about ~41mph The improvements are well worth the tradeoff in topend. As to reviews where folks relate losing the hyrofoil, It seems that it is very important to use "loctite" on the anode bolt... time will tell. 2115|RI8KMQFEB94X2;2115|RKX2IRJMXRJE1;2115|RO4P2NDBO1ZJC;
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