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[Amel Yacht Owners] Re: looking for a new engine


Luis Gonzalez Vallejo <l_gonzalezvallejo@...>
 

Adam,
Thank you for your advice.Do you know which is the maximum speed that this boat can reach considering only her length over water, and what do you think about the convenient maximum horse power for the engine.
Kind regards,
Luis
"amelmango <chiefnelson@...>" <chiefnelson@...> wrote:Luis,
My Mango has the Prekins 4-236 which has proved to be a great
engine for the boat. If you must have more horsepower for some
reason, Perkins turbocharges the 4-236. It would then fit on the
same mounts, would be able to use the same transmission (although I
would add a oil cooler to the Hurth if not already fitted), and use
the same shafting, etc. However, if you go with too much boost, ie
HP, you will have to increase the shaft size which means a new stern
tube which will translate into a lot of money for a questionable need
of more HP. There are a few more issues like exhaust size, waterlift
size, and of course you will have to see how you will prop for an
increase in HP with an already close tip clearance. Research it well
before you repower is the best advice.
Best regards,
Adam


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Luis Gonzalez Vallejo <l_gonzalezvallejo@...>
 

Luis Gonzalez Vallejo <l_gonzalezvallejo@...> wrote:

Luis Gonzalez Vallejo <l_gonzalezvallejo@...> wrote:

Luis Gonzalez Vallejo <l_gonzalezvallejo@...> wrote:
Adam,
Thank you for your advice.Do you know which is the maximum speed that this boat can reach considering only her length over water, and what do you think about the convenient maximum horse power for the engine.
Kind regards,
Luis
"amelmango <chiefnelson@...>" <chiefnelson@...> wrote:Luis,
My Mango has the Prekins 4-236 which has proved to be a great
engine for the boat. If you must have more horsepower for some
reason, Perkins turbocharges the 4-236. It would then fit on the
same mounts, would be able to use the same transmission (although I
would add a oil cooler to the Hurth if not already fitted), and use
the same shafting, etc. However, if you go with too much boost, ie
HP, you will have to increase the shaft size which means a new stern
tube which will translate into a lot of money for a questionable need
of more HP. There are a few more issues like exhaust size, waterlift
size, and of course you will have to see how you will prop for an
increase in HP with an already close tip clearance. Research it well
before you repower is the best advice.
Best regards,
Adam


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