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05 May 2010, 17:07
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#1
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Member
Country: UK - England
Town: Ashton-under-Lyne Lancs
Boat name: IMOGEN
Make: Air-Craft 5.4
Length: 5m +
Engine: Suzuki df70a
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compass.
Hi all, what is the best type of compass to fit on a rib and would it be best fitted on the consul. I thought that I had got everything needed to get started then suddenly remembered about an important piece of kit COMPASS...just wondered if the stainless steel grab rail would interfere with it. p.s. not too expensive as it's cost me a fortune already l.o.l.
Many thanks,
kerny.
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05 May 2010, 18:15
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#2
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Member
Country: UK - England
Town: Mighty Penryn
Boat name: Little Joe.
Make: Avon Searider
Length: 4m +
Engine: Honda BF50
Join Date: Aug 2005
Posts: 8,875
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I'd go for a Plastimo Offshore which is purpose made for powercraft.
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05 May 2010, 18:34
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#3
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RIBnet admin team
Country: Ireland
Length: 4m +
Join Date: Feb 2008
Posts: 14,913
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Mollers gives good compass advice.
The handrail question is an interesting one. Stainless generally has low magnetic properties, but these can be increased by bending and welding. So maybe yours is. You can test it with a compass!
I'm seeing more and more small compasses fixed directly to perspex windshields - not sure is this applies to your rig.
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05 May 2010, 18:36
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#4
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Member
Country: UK - England
Town: Ashton-under-Lyne Lancs
Boat name: IMOGEN
Make: Air-Craft 5.4
Length: 5m +
Engine: Suzuki df70a
MMSI: 235087492
Join Date: May 2010
Posts: 7,078
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Thanks Mollers, just googled it and some are comming up at a reasonable price £49.99.
Many thanks,
Steve.
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05 May 2010, 19:18
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#5
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Member
Country: UK - England
Town: Ashton-under-Lyne Lancs
Boat name: IMOGEN
Make: Air-Craft 5.4
Length: 5m +
Engine: Suzuki df70a
MMSI: 235087492
Join Date: May 2010
Posts: 7,078
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Quote:
Originally Posted by willk
Mollers gives good compass advice.
The handrail question is an interesting one. Stainless generally has low magnetic properties, but these can be increased by bending and welding. So maybe yours is. You can test it with a compass!
I'm seeing more and more small compasses fixed directly to perspex windshields - not sure is this applies to your rig.
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Hi willks, I have not tried it yet it was just a thought, but fitting it on the perspex shield sounds a good solution and maybe this can be done using a suction cup like on a car sat nav,
Cheers,
kerny.
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05 May 2010, 19:22
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#6
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RIBnet admin team
Country: Ireland
Length: 4m +
Join Date: Feb 2008
Posts: 14,913
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Quote:
Originally Posted by kerny
maybe this can be done using a suction cup like on a car sat nav,
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'fraid not - it's strictly a powertool job - zoom zoom!
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05 May 2010, 19:35
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#7
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Member
Country: UK - England
Town: Ashton-under-Lyne Lancs
Boat name: IMOGEN
Make: Air-Craft 5.4
Length: 5m +
Engine: Suzuki df70a
MMSI: 235087492
Join Date: May 2010
Posts: 7,078
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Ahh well it never is that easy is it, power tools it is then...l.o.l.
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05 May 2010, 19:58
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#8
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Member
Country: UK - Scotland
Town: Argyll
Boat name: Puffin
Make: Humber Destroyer
Length: 6m +
Engine: Suzuki 90
MMSI: 235075764
Join Date: Sep 2009
Posts: 147
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Asked the same question myself a while back, got some useful answers.
http://rib.net/forum/showthread.php?...hlight=compass
Having said that, I'm still not fully decided on which to get, Plastimo Offshore 95 at Marine Store looks a good buy and is the favourite at present.
http://marinestore.co.uk/Merchant2/m...tore_Code=mrst
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05 May 2010, 20:46
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#9
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Member
Country: UK - England
Town: Staffordshire
Boat name: Pacific 9134
Make: Halmatic
Length: 6m +
Engine: 300hp Suzuki
MMSI: 232043887
Join Date: Oct 2005
Posts: 623
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Quote:
Originally Posted by Mollers
I'd go for a Plastimo Offshore which is purpose made for powercraft.
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plastimo are great
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05 May 2010, 20:56
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#10
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Member
Country: UK - England
Town: Ashton-under-Lyne Lancs
Boat name: IMOGEN
Make: Air-Craft 5.4
Length: 5m +
Engine: Suzuki df70a
MMSI: 235087492
Join Date: May 2010
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Thanks for the link to the posts puffin, and it looks as though if you keep it away from speakers on the vhf it should be accurate, I will be using my handheld so there shouldn't be a problem with the compass fitted on the wind shield. I will be looking for a plastimo offshore. Thanks everyone for your sound advice which is invaluable for us newbies.
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05 May 2010, 21:00
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#11
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Member
Country: UK - England
Town: NW& wherever the boat is!
Boat name: depends on m'mood!
Make: Humbers/15-24m cats
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whatever the make you need a powerboat compass which is more heavily damped than a sailboat jobee. However some still have the tendency to spin no matter what it says on the pack when you rattle across waves, I would imagine that fitting to a screen, instead of a more solid surface, is likely to induce a spinning compass.
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05 May 2010, 21:05
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#12
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Member
Country: UK - England
Town: Staffordshire
Boat name: Pacific 9134
Make: Halmatic
Length: 6m +
Engine: 300hp Suzuki
MMSI: 232043887
Join Date: Oct 2005
Posts: 623
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just thinking about it, a friend has a danfort (danforth) not sure on spelling, and they are pretty good, so just check them too aswell as plastimo
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05 May 2010, 21:47
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#13
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Member
Country: UK - England
Town: Mighty Penryn
Boat name: Little Joe.
Make: Avon Searider
Length: 4m +
Engine: Honda BF50
Join Date: Aug 2005
Posts: 8,875
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Quote:
Originally Posted by wavelength
whatever the make you need a powerboat compass which is more heavily damped than a sailboat jobee. However some still have the tendency to spin no matter what it says on the pack when you rattle across waves,
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Do they? Wouldn't know, I never look at the thing. I've got a GPS jobee.
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05 May 2010, 22:25
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#14
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Member
Country: UK - England
Town: NW& wherever the boat is!
Boat name: depends on m'mood!
Make: Humbers/15-24m cats
Length: 6m +
Engine: etec130/big volvos
MMSI: many and various
Join Date: Nov 2001
Posts: 1,816
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Quote:
Do they? Wouldn't know, I never look at the thing. I've got a GPS jobee
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some of us were doing long hauls on powerboats with a watch and compass years ago, then decca (which invariably lost the plot in the fog and left ya with the compass again), then gps and finally gps plotters. Others havent had the delight of wondering where the land is after a few hours on a compass course. We talk about it all the time in m'old folks home where the kids have put me!!
Those who come on courses here steer to a compass as well as a plotter on level2, on advanced and advanced exams they do longer passages in the dark on the compass. Its all part of seamanship. Having said that I will be out on the commercial boat next week again with the heaters on and relying on the plotter, radar etc etc
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05 May 2010, 22:31
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#15
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Member
Country: UK - England
Town: Mighty Penryn
Boat name: Little Joe.
Make: Avon Searider
Length: 4m +
Engine: Honda BF50
Join Date: Aug 2005
Posts: 8,875
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Quote:
Originally Posted by wavelength
some of us were doing long hauls on powerboats with a watch and compass years ago, then decca (which invariably lost the plot in the fog and left ya with the compass again), then gps and finally gps plotters. Others havent had the delight of wondering where the land is after a few hours on a compass course. We talk about it all the time in m'old folks home where the kids have put me!!
Those who come on courses here steer to a compass as well as a plotter on level2, on advanced and advanced exams they do longer passages in the dark on the compass. Its all part of seamanship. Having said that I will be out on the commercial boat next week again with the heaters on and relying on the plotter, radar etc etc
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Sorry, I was being facetious.
My 'peasoup' experience is detailed on this site somewhere.
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05 May 2010, 22:46
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#16
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Member
Country: UK - England
Town: NW& wherever the boat is!
Boat name: depends on m'mood!
Make: Humbers/15-24m cats
Length: 6m +
Engine: etec130/big volvos
MMSI: many and various
Join Date: Nov 2001
Posts: 1,816
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be careful cos now that age concern and t'other lot have merged - I'll have an even bigger pool of muscle with zimmers to send round ta see ya.
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05 May 2010, 23:16
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#17
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Member
Country: UK - Wales
Town: West Wales
Make: Vipermax 5.8, SR4.7
Length: 5m +
Engine: 150 Opti, F50EFi
Join Date: Sep 2005
Posts: 6,299
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Quote:
Originally Posted by wavelength
some of us were doing long hauls on powerboats with a watch and compass years ago,
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A watch? There's posh.
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06 May 2010, 14:19
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#18
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Member
Country: UK - England
Town: Ashton-under-Lyne Lancs
Boat name: IMOGEN
Make: Air-Craft 5.4
Length: 5m +
Engine: Suzuki df70a
MMSI: 235087492
Join Date: May 2010
Posts: 7,078
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Well chaps , it looks like fitting one for cosmetic purpose, and carry a cheap orienteering compass in my dry suit pocket, to use for accuracy, or get a GPS l.o.l.
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06 May 2010, 14:24
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#19
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RIBnet supporter
Country: UK - England
Boat name: Little Wing
Make: Searider 5.4
Length: 5m +
Engine: Tohatsu 90
Join Date: Aug 2002
Posts: 1,069
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Quote:
Originally Posted by Downhilldai
A watch? There's posh.
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He's only kidding. He meant a peg board.
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