Also figure 1/2 pound of fuel per horsepower hour, so 12 HP for an hour requires about one gallon of fuel. If that 120 merc is a 4 stroke, your gallon will get you around 14 HP.
So how fast for how long do you want to go? Half power for an hour will use about 5 gallons on that engine.
Search found 21 matches
- Sun Jun 09, 2013 7:08 pm
- Forum: Power Boats
- Topic: Help Get Ethanol out of Premium Gasoline
- Replies: 54
- Views: 104022
Florida had a requirement for all retail fuel to have a minimum of 10% corn squeezins, with an exception for classic cars & small engines. So a few places sell 100% gasoline even today. This April the FL legislature came up with a bill to repeal the requirement, and the gov just signed it. As of 1 J...
- Sun Mar 24, 2013 4:46 pm
- Forum: Electric Power & Systems
- Topic: Transom Light Help Needed
- Replies: 6
- Views: 6028
If you do not plan to motor at night, you could use a tri-color nav light at the top of your mast. When under power, even combined with sails, you need that stern light with side lights. You do have the freedom to put the all around white light forward of the stern. Check this out from the Nav Rules...
- Wed Dec 19, 2012 6:37 pm
- Forum: Design Modifications
- Topic: Second Rudder for reverse?
- Replies: 2
- Views: 2569
You do have some rudder in reverse with a direct drive. As the vessel begins to gather sternway, the normal rudder becomes effective & you can make a gradual turn. Not to be used in close quarters. To turn as you back, let the prop torque begin to walk the stern. For a normal "right hand" prop which...
The techniques used to keep water out of a hull can be used to keep water in your livewell. A plywood box with a lining of glass cloth & epoxy would hold water, but finding a place for it on the 15 ft Cruisette would be your challenge. Visit a new boat showroom, or talk to the fishermen at your loca...