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04-07-2015, 11:38 AM
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#121
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Guru
City: Szczecin
Vessel Name: Dryade
Vessel Model: Trawler 72
Join Date: Mar 2012
Posts: 738
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Oups !
Quote:
Originally Posted by longcours62
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
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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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04-07-2015, 02:22 PM
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#122
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Guru
City: Madeira Beach, FL
Vessel Name: Seaweed
Vessel Model: Schucker mini-trawler
Join Date: Oct 2011
Posts: 1,236
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Quote:
Originally Posted by BandB
Wifey B: I got passed by a snail and a turtle....and the turtle had a broken leg.
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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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04-07-2015, 02:36 PM
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#123
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Guru
City: West Coast
Join Date: Apr 2014
Posts: 1,790
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Quote:
Originally Posted by janice142
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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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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04-07-2015, 04:13 PM
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#124
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Guru
City: Fort Myers, FL... Summers in the Great Lakes
Vessel Name: Slow Hand
Vessel Model: Cherubini Independence 45
Join Date: Dec 2010
Posts: 12,834
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I got passed by a sailboat.......it was going the other way.
Ted
__________________
Blog: mvslowhand.com
I'm tired of fast moves, I've got a slow groove, on my mind.....
I want to spend some time, Not come and go in a heated rush.....
"Slow Hand" by The Pointer Sisters
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04-08-2015, 09:39 AM
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#125
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Senior Member
City: Gig Harbor WA
Vessel Name: Salty
Vessel Model: American Tug 34
Join Date: Oct 2008
Posts: 381
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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.
__________________
Richard Soto, Whidbey Island WA
American Tug 34
Selene 47
Willard 40
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04-08-2015, 09:46 AM
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#126
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Guru
City: St. Petersburg, Florida
Vessel Name: M/V Sherpa
Vessel Model: 24' Vashon Diesel Cruiser
Join Date: Jun 2013
Posts: 598
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Quote:
Originally Posted by O C Diver
I got passed by a sailboat.......it was going the other way.
Ted
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Ah, the indignity of getting passed by a sailboat. It does hurt a little!
__________________
“Go small, go simple, go now”
― Larry Pardey, Cruising in Seraffyn
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04-08-2015, 09:49 AM
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#127
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Guru
City: Atlantic Highlands, NJ
Vessel Name: Moana Huaka'i
Vessel Model: Selene 53
Join Date: Dec 2014
Posts: 816
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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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04-08-2015, 12:00 PM
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#128
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TF Site Team
City: California Delta
Vessel Name: FlyWright
Vessel Model: 1977 Marshall Californian 34 LRC
Join Date: Apr 2008
Posts: 13,728
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I once got passed by a sailboat, but this time it didn't hurt my feelings.
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04-08-2015, 12:23 PM
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#129
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Guru
City: Trenton
Join Date: Apr 2012
Posts: 1,522
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7 to 8 knots.
__________________
Al Johnson
34' Marine Trader
"Angelina"
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04-08-2015, 01:30 PM
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#130
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Technical Guru
City: Wilmington, NC
Vessel Name: Louisa
Vessel Model: Custom Built 38
Join Date: Jan 2014
Posts: 6,194
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7.6kts at 950 rpm, about 1.9gph. 19kts at 1950rpm, abt 10gph.
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04-08-2015, 03:12 PM
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#131
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Master and Commander
City: Vallejo CA
Vessel Name: Carquinez Coot
Vessel Model: penultimate Seahorse Marine Coot hull #6
Join Date: Sep 2010
Posts: 12,559
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Not unusual for sailboats, even monohulls, to pass me going in the same direction.
__________________
Kar-KEEN-ez Koot
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04-08-2015, 04:55 PM
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#132
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Senior Member
City: Gaine's Marina
Vessel Name: REAL MOUNTIE
Vessel Model: 1986 PILGRIM 40 HULL No 28
Join Date: Jun 2012
Posts: 179
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7 MPH @ 1650 rpm Westerbeke 100, 6 Cylinder burling 1.5 us gallon per hour.
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04-09-2015, 12:58 AM
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#133
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Guru
City: Port Ludlow
Vessel Name: Fiddler
Vessel Model: DeFever 46
Join Date: Oct 2012
Posts: 703
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8.2 kts
1,800 rpm
4.2 gph
2 nmpg
DeFever 46 RPH
twin JD 4045s 135 hp
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04-09-2015, 04:43 AM
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#134
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Senior Member
City: Port Havelock
Vessel Name: Siesta
Vessel Model: Pelin Sterling 36
Join Date: Sep 2013
Posts: 152
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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
__________________
Mike
"To fish or not to fish, what a silly question. "
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04-09-2015, 05:25 AM
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#135
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Guru
City: Adelaide
Vessel Name: Kokanee
Vessel Model: Cuddles 30 Pilot House Motor Sailer
Join Date: Jul 2012
Posts: 3,218
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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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04-09-2015, 02:32 PM
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#136
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Guru
City: Maine Coast
Vessel Name: Tortuga
Vessel Model: Nunes Brothers Raised Deck Cruiser
Join Date: Feb 2015
Posts: 889
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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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04-09-2015, 06:25 PM
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#137
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Member
City: Watch Hill, RI
Vessel Name: "Grand Tango"
Vessel Model: 1987 34' Fu Hwa Europa
Join Date: Jun 2014
Posts: 13
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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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04-11-2015, 05:53 AM
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#138
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Guru
Join Date: Oct 2007
Posts: 22,553
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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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04-11-2015, 09:21 AM
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#139
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Guru
City: Holladay, UT
Vessel Name: Dream Catcher
Vessel Model: Nordic Tug 37-065
Join Date: Oct 2007
Posts: 841
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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.
__________________
Richard Cook
Dream Catcher (Nordic Tug 37-065) Poulsbo WA
Previously: New Moon (Bounty 257), Cindy Sea (C-Dory 22 Cruiser)
"Cruising in a Big Way"
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04-11-2015, 09:45 AM
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#140
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Guru
City: Concrete Washington State
Vessel Name: Willy
Vessel Model: Willard Nomad 30'
Join Date: Oct 2007
Posts: 18,743
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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.
__________________
Eric
North Western Washington State USA
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