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Old 04-07-2015, 12:38 PM   #121
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Oups !

Quote:
Originally Posted by longcours62 View Post
we can get diesel at "reasonable" price for refuelling !

If we navigate at economic speed :

1 engine @ 1500 rpm, speed 7 kts, 0,81lt/1 nm

2 engines @ 1780 rpm, speed 8kts, 1,14lt/ 1nm

And little quicker :

2 engines @ 1850 rpm, speed 9,8 kts, 1,78lt/nm


Maximum we do , just for this photo 11,6 lts @ 2300 rpm just for the photo

9,8 kts !not 0,8 kts


And 11,6 kts @ 2300 rpm no I have not drink....no more than each days !!


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Old 04-07-2015, 03:22 PM   #122
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Quote:
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Wifey B: I got passed by a snail and a turtle....and the turtle had a broken leg.
My dad used to say anytime two boats are heading in the same direction there's a race going on. Didn't matter, but the captains were nudging the throttle forward or tightening the sails as the case may be.
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Old 04-07-2015, 03:36 PM   #123
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Quote:
Originally Posted by janice142 View Post
My dad used to say anytime two boats are heading in the same direction there's a race going on. Didn't matter, but the captains were nudging the throttle forward or tightening the sails as the case may be.
My daughters, who are competitive junior sailors, same something similar. They sail a lot, but more time "practicing" than actually racing. So when I ask whether they "raced today", they say "Dad, if we are on the water, we are racing someone".
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Old 04-07-2015, 05:13 PM   #124
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I got passed by a sailboat.......it was going the other way.

Ted
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Old 04-08-2015, 10:39 AM   #125
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My full displacement Willard 40' (powered by the American Diesel N6-140) makes a comfortable 7.5 knots at 1500 rpm. If I want a quiet ride I'll run at 1250-1400 and still make an honest 6 knots. Fuel burn is in the 1.5 range.
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Old 04-08-2015, 10:46 AM   #126
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Quote:
Originally Posted by O C Diver View Post
I got passed by a sailboat.......it was going the other way.

Ted
Ah, the indignity of getting passed by a sailboat. It does hurt a little!
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Old 04-08-2015, 10:49 AM   #127
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Our Selene 53 cruises at 8 knots running the engine at 1800 RPM while consuming 6.5 gal/hr.
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Old 04-08-2015, 01:00 PM   #128
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I once got passed by a sailboat, but this time it didn't hurt my feelings.

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Old 04-08-2015, 01:23 PM   #129
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7 to 8 knots.
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Old 04-08-2015, 02:30 PM   #130
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7.6kts at 950 rpm, about 1.9gph. 19kts at 1950rpm, abt 10gph.
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Old 04-08-2015, 04:12 PM   #131
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Not unusual for sailboats, even monohulls, to pass me going in the same direction.


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Old 04-08-2015, 05:55 PM   #132
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Old 04-09-2015, 01:58 AM   #133
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8.2 kts
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4.2 gph
2 nmpg

DeFever 46 RPH
twin JD 4045s 135 hp
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Old 04-09-2015, 05:43 AM   #134
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What's your cruising speed.

7 - 8 knots depending on tide at 1800rpm, sometimes we get 9 knots when going with the tide and 6 knots when going against it.

Single cummins 6B 115hp
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Old 04-09-2015, 06:25 AM   #135
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With the old 36hp Volvo I usually cruised at about 6 knots, 1900 rpm.

I hope to find out next week what the Mitsubishi 42hp does. I expect than she'll be planing.

I could break my record of 9.6 knots being pushed by power, sail and current.
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Old 04-09-2015, 03:32 PM   #136
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I like to run at about 2100-2200 rpms which gives me just over 7 knots at 0.6 gallons per hour. However, my wife prefers that I run at about 1,800 rpms for about 6.3 knots at about 0.4 gallons per hour. Last year I averaged 0.45 gph for the season.
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Old 04-09-2015, 07:25 PM   #137
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New boat to us last season. single perkins 6354m na 135hp ,It seamed to like about 8kts at 2100rpm. From what I can figure its burning under 2gph . Does this sound right?
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Old 04-11-2015, 06:53 AM   #138
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My cruise speed is decided by the Flow Scan , at 3 GPh its usually 7+K (8 - lubber mph).

12K is possible , but with only 200G of fuel, not for long.
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Old 04-11-2015, 10:21 AM   #139
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Before we started cruising slow, 16-18 knots at 3200-3400 RPM, 1.75 nmpg.

Nowadays, 6-6.5 knots at 1300-1400 RPM. 4 to 4.5 nmpg.

Being retired makes possible cruising the Inside Passage so quietly, peacefully, with less worry about hitting floating wood, far greater range, and much more time to gawk.
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Old 04-11-2015, 10:45 AM   #140
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RCook,
Perhaps you treasure your get up and run fast capability. Or just love the boat you have. Reading your post above I'm think'in why not switch to an Albin 25 and get 12 nmpg. Must be some good reason as both boats are trailerable. The Albin's a bit rolly .. perhaps you don't like that? I didn't in certian conditions that didn't happen often and then I REALLY didn't like the snap roll.
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