OMC 2-Cylinder 15hp 2-Stroke Sail Drive Engine

[Van]

Hi folks.
Im currently quoting a long distance delivery. Im having problems estimating the fuel budget because Im not familiar with the engine type. Its a 2 stroke OMC 15hp sail drive engine.
All my previous experience with 2 stroke engines has been with outboards,(and mopeds) and they are not very efficient to say the least. So if any of you motor heads have had any previous experience with this type of engine I would be greatful for some advice Namely, I would be interested in getting an idea of its fuel consumption per hour at cruising speed. Any advice will be much appreciated.

[Sailmonkey]

I've worked on one of these.......I did not enjoy it.......I also do not enjoy working on outboards.
This is an outboard with the same rubber do-nut collar as a saildrive. For consumption it is for all purposes an outboard with better bite for the prop.

[Van]

Originally Posted by Sailmonkey

I've worked on one of these.......I did not enjoy it.......I also do not enjoy working on outboards.
This is an outboard with the same rubber do-nut collar as a saildrive. For consumption it is for all purposes an outboard with better bite for the prop.

As I suspected. Hmmm.....

[Sailmonkey]

Bring plenty of jugs.....and oil!!

[Van]

Looks like Ill be spending lots of time waiting for wind

[motion30]

A general rule of thumb for a two stroke is one gal per hour for every 10hp run at full throttle You will have to figure out the usage at lower settings

[rjrap]

Originally Posted by motion30

A general rule of thumb for a two stroke is one gal per hour for every 10hp run at full throttle You will have to figure out the usage at lower settings

Thats about right. I had a 15hp OMC saildrive on my 25ft Cal and got about 1 1/2 to 2 gal per hour at full throttle. It had a 12 gallon tank.

I never had any major problems with it. Replaced all gaskets and seals when I first got it. The thing I liked most was I could pull the powerhead in about a half hour, throw it in my truck and take it home for the winter.

[Van]

Thanks guys. Your advice was invaluable