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not sure how wide your Jon boat is but I would go with a 3.5HP or 5HP outboard no bigger
Speed is dependant on a number of factors. Most importantly the size, type and weight of the boat that it is on and the number of people on board. A 50 HP outboard will push a small aluminum fishing boat a lot fast than it will a 20 ft fiberglass boat. I have a 50 HP 2 stroke that will push a 16 foot aluminum boat 35 MPH.
The right size for an electric outboard motor for a 10 foot fishing boat seems to be 4 - 5 - 6 hp, 8 - 9.9 hp or 15 - 20hp. It simply depends on what kind of fishing boat it is.
It depends on the size craft it is pushing. A 5hp outboard should run fast enough to plane out say a 10 to 12ft. aluminum boat with one man aboard.
There are no standard electric OUTBOARD motors made for a boat that large. While submarines and sightseeing boats may use electric motors, they are not outboards, and are designed for the hull shape and size. The largest electric outboard I have seen is 3 hp- suitable for a 14 ft boat.
The propeller size on an outboard engine, is dependant on the application. The size of the boat, and more particularly the weight it will carry, determines the propeller size.
That would vary as there are many variables, most notably, what size outboard are you talking about. Also, is the boat fiberglass or aluminum? For a fiberglass bassboat, 16', with a 60 or 70 HP motor, you would be in the 2700 - 3100 lbs. range. This all depends on Mfgr. and year of the boat. As far as aluminum, it would be quite a bit lighter. How much, I'm not sure (even though my first bassboat was aluminum). How's that for a definite maybe? Sorry I couldn't have given a better answer.
Depends if it fiberglass or Aluminium. For Fiberglass you would be looking at around 50hp-60hp and and Aluminium would be between 30hp and 40hp.
It depends a lot on the size of the boat. If it say, a 12 foot boat, probably about 7 or 8 knots (about 10 mph). On a bigger boat slower. As was said these small engines are used mainly for dinghies and for fishing. Answer: I have a 8 foot fiberglass dinghy with a 4 Hp outboard. My GPS says 11km/h under full throttle on a calm lake.
A ski boat. Any type can "plane out" going fast enough though a v-hull would be the most common fro fast boats. It is a factor of the size, length, and weight of the boat and the power of the motor. A 15 foot aluminum boat can plane out with a 15hp outboard.
It depends of the size of the boat. A guy with a 15 foot skiff with an outboard could be a commercial fishing boat is he is engaged in commercial fishing. On the other end there are very large factory processing ships that would have very large powerful engines.
It depends on how you load the boat, (one or two persons, gear, ect.), but normally a prop in the 15" range will work for your application.....Beaufort ha