Fuel consumption/mileage
04-02-2018, 07:27 PM
#12
Registered
iTrader: (7)
Another OSO thread with some info. I must have been closer to "1". To long ago and water conditions varied.
Boat Gas Mileage
Boat Gas Mileage
04-03-2018, 12:42 AM
#13
Charter Member # 55
Charter Member
A boat being filled in the water vs on trailer can take different amounts of fuel.
My boat will take on more fuel in the water(maybe 5 gallons or so per 80 gallon tank than when filled on land.
BTW, on calm water/light chop, I can get 1.5-1.7 mpg. Rough water will be closer to 1.2 mpg with twin 502mpi's in an 8k boat.
My boat will take on more fuel in the water(maybe 5 gallons or so per 80 gallon tank than when filled on land.
BTW, on calm water/light chop, I can get 1.5-1.7 mpg. Rough water will be closer to 1.2 mpg with twin 502mpi's in an 8k boat.
04-03-2018, 09:00 AM
#14
Registered
No way at 2.4mpg on Twin deep V. Last 4th I did just under 180 miles cursing the river with pull here or there. About 1.2 smiles pr mile. 502 mpi's, 33 Outlaw
04-03-2018, 09:05 AM
#15
VIP Member
VIP MemberThread Starter
Bingo. I bet that's the issue. This 300 sits a lot more bow high in the water than on the trailer and the fuel filler enters the tank at the front. It must have an air pocket at the rear of the tank. I'm going to take it back down to the store and jack the front of the trailer high in the air and see if it takes more gas. I'll report back later! lol
04-03-2018, 10:12 AM
#16
Registered
iTrader: (7)
Another example of that is I ran a 42/tripple fountain out of fuel while on plain. I thought there was fuel in the saddle tanks. Regardless while being towed I had a guy running back and forth in his runabout fetching fuel with 5 gallon cans. To my surprise it took near 20 gallons before the boat would fuel. Not exactly a good comparison rather another example. Griff nailed it.
04-03-2018, 12:50 PM
#17
Charter Member # 55
Charter Member
Bingo. I bet that's the issue. This 300 sits a lot more bow high in the water than on the trailer and the fuel filler enters the tank at the front. It must have an air pocket at the rear of the tank. I'm going to take it back down to the store and jack the front of the trailer high in the air and see if it takes more gas. I'll report back later! lol
04-03-2018, 01:58 PM
#18
VIP Member
VIP MemberThread Starter
Well it took right at 10 more gallons. I redid my math, it took 21.2 gallons the other day. (wasn't accounting for super being 3.02 here) so 31.2 gallons consumed on what I thought was about 65 miles, then I went on google maps and plotted the trip, it was actually 82 miles on 31.2 gallons of gas, for an awesome 2.6 mpg, which didn't happen. Somebody must have put some gas in my boat. It's a mystery.
04-03-2018, 07:39 PM
#19
Gold Member
Gold Member
Note to self, never fuel boat at the end of the day, alcohol causes memory loss.
