View Poll Results: What is your Bigness Factor?
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0.5 - 0.9 = Light
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18 |
13.85% |
1.0 - 1.2 = Normal
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33 |
25.38% |
1.2 - 1.4 = Conservative
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37 |
28.46% |
1.5 + = BIB
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42 |
32.31% |
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28-03-2013, 12:58
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#16
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Registered User
Join Date: Aug 2010
Location: Beaufort, SC
Boat: 2004 Hunter 41 AC
Posts: 310
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Re: What is your Bigness Factor?
66 lb anchor / 41 foot boat = 1.60
Of course my anchor is a Lewmar Bruce, so that probably invalidates my vote...
Scott
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28-03-2013, 13:00
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#17
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Registered User
Join Date: Jun 2009
Location: In transit ( Texas to wherever the wind blows us)
Boat: Pacific Seacraft a Crealock 34
Posts: 4,115
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Re: What is your Bigness Factor?
1.32, which I believe is two sizes larger than anchor manufacture recommendation (Manson supreme).
Erika
PS
Battle cry.... BIB!
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28-03-2013, 13:03
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#18
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Registered User
Join Date: Jun 2009
Location: In transit ( Texas to wherever the wind blows us)
Boat: Pacific Seacraft a Crealock 34
Posts: 4,115
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Re: What is your Bigness Factor?
Hey, not trying to poke the lion but bruces rock! Just need big ones
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28-03-2013, 13:06
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#19
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Registered User

Join Date: Dec 2007
Boat: Mahe 36, Helia 44 Evo, MY 37
Posts: 5,731
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Re: What is your Bigness Factor?
500 lbs / 36 feet = 13.88
Do I win any prizes
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28-03-2013, 13:14
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#20
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Do… or do not

Join Date: Feb 2009
Location: in paradise
Boat: Sundeer 64
Posts: 13,176
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Re: What is your Bigness Factor?
Pathetic these numbers of y'all except for Cotemars mooring 
176lb. / 64' = 2.75
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28-03-2013, 13:16
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#21
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Registered User
Join Date: May 2009
Posts: 1,379
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Re: What is your Bigness Factor?
60/32 = 1.875
Not too shabby.
__________________
Let your heart tell you where to go, but let your brain tell you how to get there.
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28-03-2013, 13:26
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#22
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Registered User
Join Date: Aug 2012
Location: Hingham, MA
Boat: Catalina 310
Posts: 637
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Re: What is your Bigness Factor?
Quote:
Originally Posted by Ocean Girl
1.32, which I believe is two sizes larger than anchor manufacture recommendation (Manson supreme).
Erika
PS
Battle cry.... BIB! 
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There is another flaw in this metric, it doesn't account for the new generation anchors. By only looking at weight vs. LOA, you might as well just have an engine block down there. New generation anchors don't derive their strength from weight but from design.
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28-03-2013, 13:30
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#23
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Registered User
Join Date: Jul 2006
Posts: 3,945
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Re: What is your Bigness Factor?
Quote:
There is another flaw in this metric, it doesn't account for the new generation anchors.
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No judgments are being made about the quality of your anchor, just its size. Anchor companies size their anchors by weight vs. length in their charts.
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28-03-2013, 13:33
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#24
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Moderator

Join Date: Mar 2009
Location: Denmark (Winter), Helsinki (Summer); Cruising the Baltic Sea this year!
Boat: Cutter-Rigged Moody 54
Posts: 32,533
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Re: What is your Bigness Factor?
Quote:
Originally Posted by Kettlewell
Virtually every anchor manufacturer has a table relating boat length to anchor size. Some do include displacement, but most have something vague about upsizing one if your boat is heavy.
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Sure, but it's not a linear relationship. They do their own calculation. Thus a 50 foot boat requires more than twice the anchor that a 25 foot boat does -- which would seem blindingly obvious.
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28-03-2013, 13:41
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#25
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Registered User
Join Date: May 2012
Location: Baltimore, MD
Boat: Cal 2-27
Posts: 843
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Re: What is your Bigness Factor?
since we are measuring our anchors?
1.29 here....35 pound manson on 27 foot boat
__________________
76% of statistics are made up.
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28-03-2013, 13:42
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#26
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S/V rubber ducky
Join Date: Jul 2007
Location: Florida cruising currently
Boat: Hunter 410
Posts: 18,849
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Re: What is your Bigness Factor?
1.38, now I feel inadequate
maybe we should also now refer to this as the
"fear factor"
__________________
It is OK if others want to do it different on THEIR boat
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28-03-2013, 13:43
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#27
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Registered User
Join Date: May 2012
Location: Baltimore, MD
Boat: Cal 2-27
Posts: 843
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Re: What is your Bigness Factor?
__________________
76% of statistics are made up.
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28-03-2013, 13:44
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#28
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Registered User
Join Date: Jul 2012
Location: Portland, Maine
Boat: Caliber 40LRC
Posts: 609
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Re: What is your Bigness Factor?
Primary anchor 1.125
Storm anchor 1.625
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28-03-2013, 13:48
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#29
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Registered User
Join Date: Aug 2012
Location: Hingham, MA
Boat: Catalina 310
Posts: 637
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Re: What is your Bigness Factor?
Quote:
Originally Posted by Kettlewell
No judgments are being made about the quality of your anchor, just its size. Anchor companies size their anchors by weight vs. length in their charts.
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Yes, but anchor companies make size recommendations based on their designs.
For a 30 foot boat, here are a couple of the size recommendations: - Manson Supreme - 15-25 lbs - BIB 0.8
- Manson Racer - 7.5 - 7.9 lbs - BIB 0.25
- Manson Plough - 30-35 lbs - BIB 1.0
- Lewmar Delta - 14 -20 lbs - BIB 0.47
- Lewmar Claw (Bruce style) - 16.5 - 22 lbs - BIB 0.55
This metric just simply doesn't work. A properly sized anchor has a BIB ranging from 0.25 to 1.0.
Sorry man, sometimes you just can't over simplify things with numbers.
Jesse
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28-03-2013, 13:48
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#30
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Registered User

Join Date: Dec 2007
Boat: Mahe 36, Helia 44 Evo, MY 37
Posts: 5,731
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Re: What is your Bigness Factor?
Quote:
Originally Posted by Don L
1.38, now I feel inadequate
maybe we should also now refer to this as the
"fear factor"
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Yes, but Don. You can count your davits or stern ladder to make all the girls smile again
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