How fast can a 4hp boat motor go?

5 lbs/hp). Superkarts can accelerate from 0 to 100 km/h (60 mph) in less than 3 seconds with a top speed of 250 km/h (155 mph). Their low weight and good downforce make for excellent cornering and braking abilities.

How fast does a 5hp boat motor go?

It would do around 67 mph on the race course. It depends on the size, weight, and type of the boat. On a small dinghy, it will go way faster than is safe.

How much thrust does a 4hp outboard have?

Thus 1 HP (735 W) would acchieve a thrust of 370 N/V[m/s], which would be 160 lbs/V[kn]. Thus for a propeller designed for 3 kn speed (typical electric system) the thrust is ~50 lbs/HP, but for a 6 hp outboard designed for 6 kn it would be less than 30 lbs/HP.

How fast is a 2.5 boat motor?

Here are our results. Tohatsu 2.5 Two-Stroke ($630; www.tohatsu.com) power: 2.5 hp weight: 26 pounds top speed: 5.4 mph noise at full throttle: 84 dB-A. The Tohatsu 2.5 was the only two-stroke we tested. As expected, it’s the lightest and least expensive.

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How fast will a 9.9 hp outboard go?

Assuming this is a light 14′ utility boat and a standard 9.9, Mercury would recommend a 8.5 to 9.5 pitch prop for the OP’s application and predicts a top speed around 20 mph.

How fast will a 10 hp outboard go?

View Full Version : 10 H.p. = 1.5 M.p.h.

How many pounds of thrust does a 5 hp outboard motor have?

A 5 hp probably has somewhere near or over 200 pounds of thrust.

What is a good size motor for a 14 foot jon boat?

Typical horsepower for a 14-foot jon boat would be between 15 HP and 20 HP although up to 25 HP is not uncommon either. 20 HP can comfortably give you a top speed of 20mph, potentially even stretching to 25mph depending on weather conditions and the weight on the boat.

How many HP is 55 lbs of thrust?

Pounds of Thrust to Horsepower Chart

Pounds of Thrust (lbs) Amps Horsepower
40/45 42 0.5
50/55 50 0.6
70 42 1.01
80 56 1.35

How much thrust does a 2.5 hp outboard motor have?

The rule of thumb I go by is 1 HP = About 22 lbs of thrust. So it’s about 55 lbs of thrust for 2.5 HP.

Is 30 lbs thrust enough?

While 30 lbs of thrust might not work for a heavy fiberglass boat, it is more than enough for our Motormount boats, Explorer, FastTrack & PaddleSki kayaks.

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