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Old 22 August 2010, 03:48   #11
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I have a feeling the size of boat is going to be inefficient for short crossings with an inboard diesel, also the difference in purchase price will leave a fair amount over for a few liters of petrol.

We do 40-60 mile rounds trips in our 6m boat with a 90HP four stroke and have found it a very economical way to travel.
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Old 22 August 2010, 15:44   #12
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6.0m and 6.5m Coastlines with 120hp mercruisers come up from time to time.

Borrowed one for a day before I got the Scorpion. Was getting into its stride at about 30 knots just as it was running out of steam.

I decided that for my use i'd pay the extra fuel cost of an opti.

Have seen a 6.5m Solent with a diesel as well.
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Old 23 August 2010, 10:49   #13
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Costs for leaving the water as I lift mine almost daily and with an outboard we can lift most clear of the water but I guess this will not be rinsed through

Rinsing through probably not an issue if it's being used daily........
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Old 24 August 2010, 17:28   #14
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Hi I have Humber 6.3 ocean pro with volvo D3 160hp 170lt tank 4 blade 21 pitch

I have just done 160nm on 160 lts of diesel
approx 90 nm at 20/25knt 2500/3000rpm economy cruising
70nm anything from dead slow to wot

Humber 6.3 ocean pro with verado 150. same mileage same speeds same fuel consumption 3 blade 23 pitch
(Portsmouth to Cows and back approx 40lts)
petrol 1.12 lt
Diesel 0.80 lt

both boats are used in the Solent

Chris
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Old 25 August 2010, 03:20   #15
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... same mileage same speeds same fuel consumption .... both boats are used in the Solent
Interesting. So the boats are the same apart from top speed, fuel cost and purchase cost?
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Old 25 August 2010, 07:07   #16
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1L per nm sounds a bit thirsty for a diesel? or is that normal? I thought they were a lot more frugal
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Old 25 August 2010, 07:53   #17
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1L per nm sounds a bit thirsty for a diesel? or is that normal? I thought they were a lot more frugal
The yammie 285HPs cruise (c.2900rpm) at 1.1L Nm. Dunno about small units.
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Old 25 August 2010, 09:58   #18
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250 F/Stroke Yamaha about 4500 to 5000 rpm approx 35 kts = 1.25 lts a N/mile
on a run say Hayling Island to Cowies or Yarmouth
the comsumsaion dose very acording to how many people on board and how much fuel in the tank which is 400 lts
Full service at Lansdale Marine Chichester 325 with a new impeller
i hate to think how much a diesel service would be then there is the cost of maintaining the Leg
Still bloody exspensive
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