|
[ Return to Contents
| Post a Reply
| Post a new message
]
Check manual for peak rpm
Posted by Paul H on Jul 27 2005
Most outboards are designed to able to reach a peak rpm of 5500-6000. If you're only getting 3600, and not getting on plane, you are definately over propped, and as was mentioned, overloaded.
The real problem is, a 35 horse engine on a planing hull should at most be pushing a gross load of 1400#'s, ie boat, engine, fuel, gear and people. I was running 3 adults in a 20' skiff fairly lightly loaded and a full tune honda 50 on flat water, and it had just about the right amount of power.
I know, you have no choice with the Kenai hp restriction, but the american power boat association recomends a loading of ideally 25# per hp to a max of 40# per hp for planing hulls. Thus a gross load of 3000# would require a minimum of 75 horse.
Previous: 50/35 prop pitch? huntak39 Jul 27 2005
Next: prop nielsenwa Jul 27 2005
Message Thread:
|
