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Have a question about your motor? All motor talk and questions go here. This is on a tin 16 ft v hull rated for 40hp, dry weight lbs, loaded maybe lbs total. Pondering the expense vs the gain. You'd think it would be much more than that. I don't like boating with my lawn mower. Naden on Wikipedia says 45 hp who ever made one of those I went with a 35 hp Johnson which I'd think is closer to 30 hp now that is measured at the prop.
What is the best speed for a pontoon boat? With a , you should be hitting the optimal speed even if your boat is pretty well loaded down with people. For most pontoon boat captains, the real goal is to hit the golden 22 mph 36 kph mark.
How do high-speed pontoons work? Most high-speed pontoons run on triple logs hence the name tri-toon but in this case, a pair of logs was designed to trap air in-between the pontoons and utilize it to create lift.
In both theory and practice, it works much like a modern powercat. The design also saves weight and reduces wetted surface. As a general rule, you can pull a tube behind a pontoon as long as it has enough horsepower relative to the weight it is hauling. If your boat has a top speed of 20 miles per hour, then, yes, you will be able to pull the inner tube. A 75 hp motor will pull skiers no problem.
Loaded to the gunnels with camping gear, 20 extra gals gas in cans, etc. Chuck Bates Ph. Last year May we, C. We finished the project in one year. The boat is powered by 80 hp, and makes a speed 30 knots.
Powered with 1 cyl. Speed at cruise 6 mph. Chuck Stinchfield. Mai Tai without cabin: This is the second Glen-l boat we have built. We wanted a center console fishing boat with a hull that had a steep dead rise to it.
The Key West hull design did not have the desired dead rise at the transom, however the Mai Tai boat hull suited us. In the end we built the Mai Tai hull and finished it off similiar to the Key West. We have it powered with a Mercury outboard, 52 gallons of fuel capacity and loads of storage area. Malahini design, with Seapower set at 2 degrees, using 11 x 9 puller wheel and stock Ford 60 with gas tank in the bow.
Boat performs very well, especially with skiers in tow. The 2 degrees seemed to work very well. The boat and motor combination makes a top speed of about 35 mph. She runs very well-the 60 HP, 4-stroke Mercury is exceptional-instant start, smooth, quiet, nice idle operation and pushes the boat to 40 mph at max revs of rpm fast enough for me!
George Redden, Staunton, VA. Power was an old sears gamefisher 9. It is a poor choice of power but it is what I have. The boat has all water-tight compartments and is foam filled. I also enclosed the coaming air tight for added floatation in case I submarine it.
It went just over 54 mph with a stock cu, in. Vistica, Gladstone, OR. Presently fairing. It has a Ford PCM engine in it which drives it at 48 mph. The boat handles well although it is a little wet on the nose. I am planning to try spray rails along the chine. The boat is finished with dark green topsides and bright above the sheer; all deck, trim, and covering boards are mahogany.
Monaco: Photo at 70MPH yes 70 70 mph? Are you sure your speedo is working properly? How modified is the motor? Hi Barry, Speed was checked with Radar. Unfortunately my Speedo only goes to Motor is Fairly extensively modified, cu in, modified heads 9. John Gondek. Nor'wester: Outrage: I used the motor from my smaller boat It's an 18 horse, 4 stroke Nissan long shaft. I get about 27 mph out of it Not enough!!! But still fun as can be!!!
Jeffrey A. We call it "Little Zipper". Pushed by a reconditioned 9hp West Bend it skims along at 20mph. We have even taken several long distance trips through the Kawartha lakes with two aboard. Thank you many summers of fun in your Pee Wee runabout. It's bright red and we are currently running it with a 9. We have a GPS and it goes about 30mph. Ken Muenster, Albertville, Alabama.
Performance: 28 mph cruising speed at rpm. Very quick to plane using hydrofoil on cavitation plate. Extremely well balanced and corners well. Rebel: After starting in January of with your frame kit, I spent about 18 months and about hours on the boat in my garage.
I built the boat using white oak for the keel, battens, chine logs and shear clamp. She pounds a bit in choppy water, but is very stable at high speed in smooth water. Scott Harris. We proped the boat for torque as it is primarily a waterski boat and a speed of a little over 40MPH. It will pull at least six skiers out of the water nicely. The boat is now seventeen years old and has been enjoyed every year!
The boat is an excellent ski boat, all around day cruiser and runs in the mid's, wide open. Allen and Robin Cohon. If anyone is thinking about this hull, it's super. I get a solid 23 knots with a 70 hp Evinrude outboard. It handles great, overtaking other boat wakes, it tracks incredibly straight. It makes an excellent crabbing, clamming and fishing boat, and it's very stable at rest.
It is an excellent bay boat, and from the design and how easy it is to plane, real easy on fuel. I also like the bow, nice and high. It planes at 12 knots with 3 adults on board, and doesn't squat at all coming out of the hole. My outboard bracket is an extension of the hull for about 26" and is about 2'6" wide at the bottom.
Bill Zubko. Riviera: The boat has a Chev V8 with about hp and a Borg Warner gearbox driving a 13 x 12 prop. The boat does about 50 mph and gets there real quick so I think I should play with the pitch. Wayne Cox, New Zealand. Riviera: Powered by a cu-in V-8 engine, she can reach 53 mph - Henry Thorpe.
It was great. Took Art Spinella. She's a little rear end heavy but OK. Roustabout is NOT a rough water, or off shore boat at all! After 23 years of service, only the epoxy paint coat is worst for wear! I've had her up to 51 mph, by myself, in smooth water. Mike Stabler. April , Greg McGraw. Built in , Sheer line and super structure changed. Framed in Douglasfir. Hard top: African mahogany. Power: N, hp. Wheel: 23 x 18 4 blade, 2 x 1 gearing. Rudders are bronze 1. Quade, Lincoln City, OR.
It took 1 year and 18 days from start to getting her in the water. It was a great experience and I hope to build another boat someday. I stuck a 60 hp merc on it and so far I haven't had water smooth enough to go flat out, but 60 seems more than enough. Sea Knight: Had it out a second time in November in Minneapolis!! GPS'd at 45 mph upstream with a '93 Mariner on it. Bob Maskel. Sneak Box I bought a new 3.
It is a nice motor and pushes the boat about 6 to 7 mph when loaded with decoys, dog, gun, camo-covers etc. I think that I could now use that reserve power for when tide, chop and wind are against me.
I think the 3. Fred Dobler. Posted by Gary Baker on September 18, Finally I have gotten my engine problems sorted out-- am running a Johnson electric start 18hp on a stock Squirt with seat, center and bow flooring, steering system and 6. Not your lightest boat. Boat runs bow level at full throttle, skids but flat through turns, and runs best in very smooth water-- was run successfully in 8" chop to get home.
Assume recommended fin would cure skidding-- but sure is fun. With spouse in boat-- also planes flat, with somewhat less speed. Absolutely no porposing. Plenty of boyancy. Very sensitive to engine angle-- when run perpendicular to transom-- performance as above-- when run tilted up at all, performance suffers and harder to plane. Squirt: Let me relay the experience we had when we first used the Squirt. My wife weights and I'm With both of us aboard, the Squirt easily hit 20 mph.
When my wife drove it alone, it was clocked at 26 mph. Squirt: I've had three different engines on her. The first one was a 10 hp Seahorse, second, an 18 hp Evinrude. I wasn't really happy with the older engines, although they looked good on the boat. Now I found a Johnson, runs like new very few hours. With this motor, the boat runs around 27 mph and rides very flat and stable with smart tabs, smallest ones.
The Squirt has no bow rise when accelerating. I used a small fin on the bottom, so it doesn't slip in turns. Squirt: Our Marine Mechnics program provided a rebuilt Johnson 35 with electric start.
The motor was fitted with a dolphin which eliminated the porposing. Sassy will run out at 36 mph according to our GPS. She is a fun boat and we've had a good time building her. Chris Chadwick, Melbourne, FL. Hakan Zorlu, Istanbul Turkiye June Here are the final photos of my Stiletto. The lake we are on is at feet above sea level. Second day on the water I reached 52 mph and very airborn. The boat only weighs about lbs.
I have done everything myself, boat, paint, trailer, etc. It took 9 months until a finished product! Parker McQuown. Handling is rock solid with top speed, as set up, just under 50 mph. Two skid fins were installed instead of the one shown on the plan. Cornering can be tight enough at full speed to dump unsuspecting riders off the seat and onto the floor. The boat stays almost completely flat in corners on smooth water. Some porpoising is experienced on smooth water when the motor is trimmed out too far at any speed.
In rough water the boat handles nicely until the motor is trimmed out past vertical and the boat gets very light feeling. In order to handle the larger motor the transom was doubled in thickness, the motor well was strengthened and the vertical boards on the sides of the cockpit were doubled all the way from the transom to the deck.
Sean Morris. Super Spartan: I finally got my Super Spartan in the water. Here are a couple pics. With a warmed over 9. Now it's time to start tuning the motor and testing props. I have a heavily modified 25hp motor and it will hit aprox 58 mph. I have seen 50 hp motors on them but it requires someone to hold it up when you start or you will sink. Expect mph with 25hp. Remember fast will come from a race prop you can get one used at the local races. Have fun and safe before speed. Mark Severance.
Sweet Caroline - Launched for engine break-in and trials. Very satisfactory at intended speeds mph but overpowered with 40 hp, tops out at mph didn't stay there very long. This is my first light, narrow flat-bottom planing boat and it is a nice experience: smooth transition to plane,goes on up through 10,12,15, 20 mph like a fast electric boat.
Engine Yamaha 40 2-stroke is quiet enough at these speeds for conversation. Upwards of 24 mph, starts hobby-horsing and getting "loose", scantlings probably too light for these speeds in chop. More on performance after correcting items from trials raising swim steps added on stern to stop spray pattern on engine. Thunderbolt: Using a stock '59 Chev.
I purchased a used Thunderbolt nine years ago. It's powered by a big block olds super rocket and has been over 90 mph and often had two to three feet of air at aprox 40 - 50 mph. I am told the boat was built in and have re-glassed twice due to the serious abuse.
It did about 36 MPH with a 9. I weighed about lbs at the time. I ran as little fuel as I could in the tank, maybe 2 gal. I really wanted to put an 18 hp on it, but I was a poor kid at the time. I'm thinking the thing which I called Thunder Boat would have done about 70 mph. Now that would have been a serious blast! I've had it up to 24 miles an hour David Moyle. I weigh LBs.
Many first-time drivers have run my boat successfully on the second notch. A 20HP would be too much for beginners. Alf Marshall. Sun, 6 Jun I completed the Tiny Titan last fall. I started my 13 year-old son out with a '50s classic Mercury Mark 5 outboard, set up with a dead man throttle and stock prop. He drives it easily, and has topped out at 23 mph. Not bad for 5 horsepower!! This was just to get him accustomed to the feel of the boat. We are now working on a classic Mercury 10 Lightening.
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