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 can a 900 horsepower boat go?

The numbers show that the triple 300 hp engines (900 hp total) have a power-to-weight ratio of 1.68 pounds per hp, while the twin 400s (800 hp total) calculate to 1.62 pounds per hp. With the triple 300XS outboards, the boat ran a top speed of 103 mph.

## How fast is 10hp boat motor?

You still won’t be breaking any speed records but a 10hp outboard on the back of a 3m tender feels pretty lively at 15 knots, and with two cylinders rather than one it will be a whole lot smoother too.

## How much can a 9.9 hp outboard push?

A 9.9 outboard will push a 6500 pound Catalina 27′ sailboat at 6-7 knts.

## How fast can a 10 horsepower engine go?

As a practical matter , you can get from fifty to maybe eighty mph with a ten hp engine on a light weight motorcycle if you tuck in and have a good fairing .

## How fast will a 300 hp boat go?

When equipped with 250-hp or 300-hp outboards, these types of aluminum fishing boats can typically have a WOT of 55 mph to 60 mph, or a bit more with two people aboard. But you don’t have to put engines that large and expensive on a 16′ to 24′ aluminum fishing boat.

## How fast is a 500 hp boat?

Top speed is 55 mph, and the boat is said to be capable of spinning in its own length and is maneuvered via joystick controls.

## How much HP does a 14ft boat need?

For a general guideline I’d go 10-25hp on a 14′ and 25-40hp on a 16′. I consider the maximum hp rating on a boat to be the minimum. But I run a lot of open water with big loads and don’t want to be underpowered and get into trouble.

## How fast will a 5hp motor go?

limit of 6 knots. 5 is about the maximum rated power for the boat.

## How fast will a 9.5 Johnson go?

The fastest theoretical speed would be with the highest stock propeller pitch (9) at maximum 5000 RPM and no slip – that would be 24 MPH. Semi V 12′ boats with much of a load are hard to get on plane with a 9 pitch prop using a 9.5.

## Why is 9.9 HP not 10 hp?

Because boats under 10 HP do not require registration. Around here, here being Japan, you need a motorcycle license to drive a motorcycle with an engine 50cc and bigger, but for up to 49cc you just need a car driver’s license. “We’re gonna need a smaller boat.” …

## How big of a motor can I put on a 12 foot aluminum boat?

Lieutenant. Re: What size motor for 12 ft V-hull Aluminum boat? 9.9, definitely. For trolling motors you can guess at about 1hp for every 25- 35 “pounds of thrust.”

## How fast does a 8 hp motor go?

Power packed: 8hp outboards

All except the lower-powered Torqeedo managed top speeds of around 14 knots in flat water.

## How fast can a 1 hp engine go?

A 1-horsepower engine couldn’t maintain more than 20 or 30 mph in a normal car, and you could never turn on the headlights or the air conditioning. The other problem is acceleration. The bigger the engine, the faster you can accelerate from zero to 60mph.

## How fast is 1000 horsepower?

The sprint to 60 mph takes 1.85 seconds and it passes 186 mph in 11.8 seconds. Top speed is listed as 256 mph, and Rimac claims the C Two will have a range of 550 km (about 342 miles) with its 120 kWh battery capacity.

## Is 500 hp fast?

But the perfect amount of horsepower, in any car, is right near 500. Let me explain. First, 500 is nice and round, halfway between zero (a terrible amount) and 1,000 (way too much). … The Ford Mustang GT350 is just over at 526 hp, and my ’14 Mustang GT, well, it starts at 420.