i need more hp

rusmir · Feb 16, 2010

right now i got a brand new 8hp mercury 4 stroke ..
2008 model

and now im needing more hp just cause the boat will need more i would hate to over power my boat .. will the little motor do its job or will it be over powered.. im clueless

MeanMouth · Feb 17, 2010

I can figure your max HP if you give me the following:

Length of boat
Length of transom
Height of transom

rusmir · Feb 17, 2010

Lenght. Boat14 ft
width 6ft
lenght transome 22 inches

MeanMouth · Feb 17, 2010

rusmir said:
Lenght. Boat14 ft
width 6ft
lenght transome 22 inches

Transom is 6 feet wide?

rusmir · Feb 17, 2010

MeanMouth · Feb 17, 2010

flat bottom, or v-hull?

rusmir · Feb 17, 2010

Flat check out my posts with pics.

https://www.tinboats.net/forum/viewtopic.php?f=3&t=12126&start=10

MeanMouth · Feb 17, 2010

Your max HP is 25 HP

rusmir · Feb 17, 2010

U sure i thought my max was for some reason 30-35 ! But 20-25 is plently

MeanMouth · Feb 17, 2010

This formula was from the Coast Guard regs. You could always overpower it, but insurance might be hard to come by. Also, your transom would need to be re-enforced.

14 ft x 6 ft = 84

84 x 0.5 = 42

42-15 = 27

Round down to the nearest multiple of 5

Your max HP = 25 horses!

rusmir · Feb 17, 2010

Yeah 25 is good with me

right now i got 8 hp its not going to be overforced i hope not

MeanMouth · Feb 17, 2010

You'll be fine Rusmir. Keep us updated with your project!

rusmir · Feb 17, 2010

tx bro i will im just waiting till the weather clears up

i need more hp

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