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| Fuel consumption 225 ford lehman |
| Author |
Message |
    
Liz Wardley
Visitor
| | Posted on Monday, September 24, 2007 - 03:43 pm: | 
|
Does anyone know the fuel consumption at cruising speed for a 225 Ford Lehman engine? Your help would be greatly apreciated. |
captain William Myers 1
Visitor
| | Posted on Tuesday, September 25, 2007 - 11:44 pm: |
|
Hard question to answer, if you use a 2000rpm as normal rpm as I do with my Lehman 135. but if you use 1800 or 2200 it would change quite a bit. At 2000rpm I burn about 2 gallons an hour. But its a lower horsepower engine w/ no turbo. I would say 6-8 gallons at 2000rpm. Also what type, lenght, and weight of the hull its in, would help me give you a better answer. |
Liz Wardley
Visitor
| | Posted on Wednesday, September 26, 2007 - 12:27 pm: |
|
Hi, thanks for your reply and yes I didn't provide much info. In fact I haven't seen the boat as yet and I am delivering it from Australia up to PNG.
-So the engines are Dual Ford Lehman 225Hp
-She cruises at 8.5 knots and max 10knots
- Length 60 foot/ 18m
- Beam 19 foot/ 6m
- Draft 4.8 foot/ 1.4m
- construction GRP composite.
- Of course the spec sheet doesn't give me a weight but I'd go a guess of around 20 tons.
Any help in greatly appreciated.. Cheers |
CaptainBill
Visitor
| | Posted on Wednesday, September 26, 2007 - 09:34 pm: |
|
Liz
My single 44ft is 34 net ton, this boat is much heavier then you think, 60 ton or so. Twin engines pushing that size boat at 8.5 knts you could burn up to 25 to 30 per hour per engine. I'm sorry to admit I don't know what PNG is, or how far or if its agains't pervailing currant, and wind or not. A true ocean going vessel of this size should be carrying 1000 US. gallons of fuel for any trip of extended distance. If this vessel has not been maintained to the highest standards I would think twice. WHen is the last time the fuel tanks where opened and cleaned. If not in the last 2 years I would have it done. Carry as many fuel filter as you can. Would love to hear more about your trip e-mail me direct if you like. As a deliverey captain I understand what your facing. Good Luck |
peter williamson
Visitor
| | Posted on Wednesday, April 09, 2008 - 03:04 am: |
|
yes my 50 footer is 45 tonnes and with twin 2725ti's cruising 8.5 knots at 1800 rpm i use about 40 litres per hour ... running on one engine hardly reduces speed but close to halves fuel consumption so i tend to run on 1 and swap every couple of hours |
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