#### Eagle 1

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How many dollars per mile do you spend at full speed (WOT), at 3500 RPM (Cruising Speed) and at 2500 RPM (Slow Speed)?

Have you ever wondered what the

http://www.yamahaoutboards.com/owner-resources/performance-bulletins

Based upon the Yamaha Performance Bulletin measurements from the above website, and using an estimate of $5.00 per gallon as an average cost of gasoline, I have estimated what the fuel costs should be for

If my calculations are correct:

The Yamaha

The Yamaha

The Yamaha

Since my wife and I are 62 and 59 respectively we will be content to run our boat slowly at about 10 MPH just to enjoy the beauty of nature and to see the sights. I estimate this will cost me about $12.50 per hour at 10 MPH at about 2300 RPM using about 2.5 GPH at $5 per gallon.

For me, next year I will have a

At WOT I expect to go about

At 3500 RPM I will probably run about

At 2500 RPM I will probably run about

[SIZE=11pt]Summarizing[/SIZE]

[SIZE=11pt]For my future 150 HP Yamaha (on my future 2014 2375 GCW), [/SIZE]

[SIZE=11pt]these are the estimates of my fuel costs:[/SIZE]

[SIZE=11pt]at about 11 MPH (2500 RPM) it will cost me about $1.25/mile; ($13.50/hour)[/SIZE]

[SIZE=11pt]at about 19 MPH (3500 RPM) it will cost me about $1.30/mile; ($26/hour)[/SIZE]

[SIZE=11pt]at about 30 MPH (4800 RPM), it will cost me about $1.67/mile; ($50/hour)[/SIZE]

[SIZE=11pt]at about 37 MPH (5800 RPM), it will cost me about $1.75/mile. ($78/hour)[/SIZE]

Please consider providing your best estimate of what you think it costs you to run your boat’s engine at WOT, at 3500 RPM (cruising speed) and at 2500 RPM (a slow comfortable speed) by using what you know about your own boat speed and simultaneous engine RPMs. If you don’t know your engine’s GPH fuel efficiency, you may be able to estimate this from the Yamaha Performance Bulletin. If a lot of owners enter their data, I think we will see some very interesting (and very expensive) results.

By the way:

($5 per gallon) times the (

If you wish to participate and submit your results, you can use the following template to record your results if you want:

I have a ________ year Bennington ______________ model with a ________ HP engine.

At WOT I go about _________ MPH at _________ RPM. According to the Yamaha Performance Bulletin (Y.P.B.) I will probably use up about _______ GPH at WOT. Multiplying this same _______ GPH times $5 per gallon means it will cost me about $__________ dollars per hour to run my boat at full speed for a whole hour; and this same $_________ dollars per hour DIVIDED BY ___________ MPH means it will cost me about $___________ dollars per mile for every mile I run my boat at full speed.

At 3500 RPM I probably run about ________ MPH and according to the YPB I probably use up about _________ GPH. Multiplying this same _______ GPH times $5 per gallon means it will cost me about $_________ dollars per hour to run my boat at cruising speed for a whole hour; and this same $_________ dollars per hour DIVIDED BY ___________ MPH means it will cost me about $___________ dollars per mile to run my boat continuously at cruising speed.

At 2500 RPM I probably run about __________ MPH and according to the YPB I probably use up about _________ GPH. Multiplying this same _______ GPH times $5 per gallon means it will cost me about $__________ dollars per hour to run my boat as a slow comfortable speed for a whole hour; and this same $_________ dollars per hour DIVIDED BY ___________ MPH means it will cost me about $___________ dollars per mile to run my boat continuously at a slow, comfortable speed.

Have you ever wondered what the

*fuel costs*are to run your boat engine?http://www.yamahaoutboards.com/owner-resources/performance-bulletins

Based upon the Yamaha Performance Bulletin measurements from the above website, and using an estimate of $5.00 per gallon as an average cost of gasoline, I have estimated what the fuel costs should be for

*full speed*(at WOT),*cruising speed*(at 3500 RPM), and a comfortable*slow speed*(at 2500 RPM) for Yamaha 250 HP engines, Yamaha 200 HP engines, and Yamaha 150 HP engine respectively. (The 250 HP and the 200 HP Yamaha engines were each mounted on separate 2375 GCWs, while the 150 HP engine was mounted on a 2275 RLi.)If my calculations are correct:

The Yamaha

*(on a 2375 GCW) will cost you about*__250 HP__*(at 6000 RPM using 21.5 GPH); and will cost you about*__$107.50 per hour at a full speed of 44.6 MPH____$29 per hour at a 3500 MPH__(a cruising speed of 20.8 MPH using 5.8 GPH); and will cost you only__$19.50 per hour at a 2500 RPM__(a slow comfortable speed of 12 MPH using only 3.9 GPH).The Yamaha

*(on a 2375 GCW) will cost you about*__200 HP__*(at 5800 RPM using 18.4 GPH); and will cost you about*__$92 per hour at a full speed of 40.0 MPH____$26 per hour at a cruising speed of 21.5 MPH__(at 3500 RPM using 5.2 GPH); and will cost you only__$15.50 per hour at 2500 RPM__(a comfortable a slow speed of 11.7 MPH using only 3.1 GPH).The Yamaha

__150 HP__(on a 2275 RLi) will cost you*(at 5700 RPM using 15.6 GPH); and will cost you*__$78 per hour at a full speed of 37.6 MPH____$25.50 per hour at a cruising speed of 20.8 MPH__(at 3500 RPM using 5.1 GPH); and will cost you only__$13.50 per hour at 2500 RPM__(a slow speed of 11.3 MPH using only 2.7 GPH).Since my wife and I are 62 and 59 respectively we will be content to run our boat slowly at about 10 MPH just to enjoy the beauty of nature and to see the sights. I estimate this will cost me about $12.50 per hour at 10 MPH at about 2300 RPM using about 2.5 GPH at $5 per gallon.

For me, next year I will have a

__2014__year Bennington__2375 GCW__model with a__150__HP engine.At WOT I expect to go about

*MPH at*__37____5800__RPM. According to the Yamaha Performance Bulletin (Y.P.B.) I will probably use up about__15.7__GPH at WOT. Multiplying this same__15.7__GPH times $5 per gallon means it will cost me about__$78__dollars per hour to run my boat at full speed for a whole hour; and this same__$78__per hour DIVIDED BY__37__MPH means it will cost me about__$2.10__dollars per mile for every mile I run my boat at full speed. (I’ve never run my boat at full speed for an entire hour. Who does that?)At 3500 RPM I will probably run about

__19__MPH and according to the YPB I will probably use up about__5.2__GPH at 3500 RPM. Multiplying this same__5.2__GPH times $5 per gallon means it will cost me about__$26__dollars per hour to run my boat at cruising speed for a whole hour; and this same__$26__dollars per hour DIVIDED BY__19__MPH means it will cost me about__$1.37__dollars per mile to run my boat continuously at cruising speed.At 2500 RPM I will probably run about

__11__MPH and according to the YPB I will probably use up about__2.7__GPH at 2500 RPM. Multiplying this same__2.7__GPH times $5 per gallon means it will cost me about__$13.50__dollars per hour to run my boat at a slow comfortable speed for a whole hour; and this same__$13.50__dollars per hour DIVIDED BY__11__MPH means it will cost me about__$1.25__dollars per mile to run my boat continuously at a slow comfortable speed.[SIZE=11pt]Summarizing[/SIZE]

[SIZE=11pt]For my future 150 HP Yamaha (on my future 2014 2375 GCW), [/SIZE]

[SIZE=11pt]these are the estimates of my fuel costs:[/SIZE]

[SIZE=11pt]at about 11 MPH (2500 RPM) it will cost me about $1.25/mile; ($13.50/hour)[/SIZE]

[SIZE=11pt]at about 19 MPH (3500 RPM) it will cost me about $1.30/mile; ($26/hour)[/SIZE]

[SIZE=11pt]at about 30 MPH (4800 RPM), it will cost me about $1.67/mile; ($50/hour)[/SIZE]

[SIZE=11pt]at about 37 MPH (5800 RPM), it will cost me about $1.75/mile. ($78/hour)[/SIZE]

Please consider providing your best estimate of what you think it costs you to run your boat’s engine at WOT, at 3500 RPM (cruising speed) and at 2500 RPM (a slow comfortable speed) by using what you know about your own boat speed and simultaneous engine RPMs. If you don’t know your engine’s GPH fuel efficiency, you may be able to estimate this from the Yamaha Performance Bulletin. If a lot of owners enter their data, I think we will see some very interesting (and very expensive) results.

By the way:

($5 per gallon) times the (

**) = (your fuel cost in Dollars per hour)**__# of Gallons per hour__If you wish to participate and submit your results, you can use the following template to record your results if you want:

I have a ________ year Bennington ______________ model with a ________ HP engine.

At WOT I go about _________ MPH at _________ RPM. According to the Yamaha Performance Bulletin (Y.P.B.) I will probably use up about _______ GPH at WOT. Multiplying this same _______ GPH times $5 per gallon means it will cost me about $__________ dollars per hour to run my boat at full speed for a whole hour; and this same $_________ dollars per hour DIVIDED BY ___________ MPH means it will cost me about $___________ dollars per mile for every mile I run my boat at full speed.

At 3500 RPM I probably run about ________ MPH and according to the YPB I probably use up about _________ GPH. Multiplying this same _______ GPH times $5 per gallon means it will cost me about $_________ dollars per hour to run my boat at cruising speed for a whole hour; and this same $_________ dollars per hour DIVIDED BY ___________ MPH means it will cost me about $___________ dollars per mile to run my boat continuously at cruising speed.

At 2500 RPM I probably run about __________ MPH and according to the YPB I probably use up about _________ GPH. Multiplying this same _______ GPH times $5 per gallon means it will cost me about $__________ dollars per hour to run my boat as a slow comfortable speed for a whole hour; and this same $_________ dollars per hour DIVIDED BY ___________ MPH means it will cost me about $___________ dollars per mile to run my boat continuously at a slow, comfortable speed.

**DAVID**
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