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25 November 2007, 20:04
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#1
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Member
Country: UK - Scotland
Town: Glasgow
Boat name: Gilly B
Make: Osprey
Length: 5m +
Engine: suzuki 85
Join Date: Jun 2002
Posts: 40
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Anti-Seize Compound
What's the best (readily available) stuff to prevent stainless bolts seizing in aluminium? Ive been using copper based compounds until now but apparently these shoudnt be used here.
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25 November 2007, 20:30
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#2
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RIBnet admin team
Country: UK - England
Town: The wilds of Wiltshire
Boat name: Dominator
Make: SR5.4
Length: 7m +
Engine: Yam 85
MMSI: 235055163
Join Date: Jul 2005
Posts: 13,054
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Zinc-based anti sieze compond (if you can find a brand name for one can let us know?)
Don't use a compound with graphite in.
I use corrosion-block grease which seems to work quite well and you can get it from ebay.
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25 November 2007, 20:32
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#3
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Member
Country: UK - Wales
Town: Southampton
Boat name: DynaMoHumm/ SRV/deja
Make: Avon8.4, 5.4 & 4.777
Length: 8m +
Engine: Cat3126 Yam 90 &70
MMSI: 42
Join Date: Dec 2003
Posts: 6,562
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corrosion block for me too I'll let you know in a tears time if it works
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Here it comes again, I don't stand a chance
Soul possession, Got me in a trance
Pullin' me back to you - Deja Voodoo
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25 November 2007, 20:54
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#4
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RIBnet admin team
Country: UK - England
Town: The wilds of Wiltshire
Boat name: Dominator
Make: SR5.4
Length: 7m +
Engine: Yam 85
MMSI: 235055163
Join Date: Jul 2005
Posts: 13,054
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Hey RW have you tried Alumslip? I've just had a search for an alternative and that's come up.
There's a company trying to say that a graphite/zinc based paste they sell is suitable for marine use. Not sure about that as once the zinc has sacrificed itself it'll corrode like buggery.
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25 November 2007, 23:21
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#5
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Member
Country: UK - Wales
Town: Southampton
Boat name: DynaMoHumm/ SRV/deja
Make: Avon8.4, 5.4 & 4.777
Length: 8m +
Engine: Cat3126 Yam 90 &70
MMSI: 42
Join Date: Dec 2003
Posts: 6,562
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no not yet
__________________
Here it comes again, I don't stand a chance
Soul possession, Got me in a trance
Pullin' me back to you - Deja Voodoo
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26 November 2007, 00:22
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#6
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Member
Country: UK - Scotland
Make: HumberOceanOffshore
Length: 8m +
Engine: Volvo KAD300/DPX
Join Date: Oct 2002
Posts: 5,596
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Quote:
Originally Posted by smithy
What's the best (readily available) stuff to prevent stainless bolts seizing in aluminium? Ive been using copper based compounds until now but apparently these shoudnt be used here.
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I would usually just use water resistant grease but one product I have used with complete success for the lower unit to leg bolts is a compound normally used for sealing oil pipe compression fittings (as in oil fired central heating). You can get it from most good plumbing merchants. The stuff I have comes in a tin with a wee brush inside the lid.
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JW.
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26 November 2007, 06:38
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#7
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Member
Country: UK - England
Town: cookoo land
Boat name: tba
Make: ribcraft 595
Length: under 3m
Engine: Suzi 140
Join Date: Sep 2007
Posts: 316
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Duralac...yellow stuff that dries.
Or Lanacote from Forespar.
Have used both and tend to use Lanacote on stuff that needs to be undone from time to time.
Also TefGel from Harken. Reassuringly expensive but great product.
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26 November 2007, 08:31
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#8
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Member
Country: UK - England
Town: Farnborough
Boat name: Narcissus
Make: Cobra
Length: 7m +
Engine: Optimax 225
Join Date: Jul 2003
Posts: 2,291
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Zinc Chromate paste from yer local chandlers.
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26 November 2007, 08:34
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#9
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Member
Country: UK - England
Town: Farnborough
Boat name: Narcissus
Make: Cobra
Length: 7m +
Engine: Optimax 225
Join Date: Jul 2003
Posts: 2,291
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And in googling who stocks it (last tube I bought was from Sea Teach in Emsworth if anyone is nearby), also found this:
http://www.sailboats.co.uk/Product~S...oz__82003.html
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26 November 2007, 08:58
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#10
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Member
Country: UK - England
Town: Hamble
Length: 9m +
Join Date: Dec 2002
Posts: 2,317
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Bostic Never Seez, available from your local Snap On van.
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It is better to remain silent and be thought a fool, than to speak and remove all doubt!
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26 November 2007, 09:03
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#11
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Member
Country: UK - England
Town: Farnborough
Boat name: Narcissus
Make: Cobra
Length: 7m +
Engine: Optimax 225
Join Date: Jul 2003
Posts: 2,291
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Where is my local van, right now? 
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26 November 2007, 09:11
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#12
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Member
Country: UK - England
Town: Hamble
Length: 9m +
Join Date: Dec 2002
Posts: 2,317
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Be real, with the money they earn he wont be out of bed yet. 
__________________
It is better to remain silent and be thought a fool, than to speak and remove all doubt!
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29 November 2007, 18:28
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#13
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Member
Country: UK - Scotland
Town: Glasgow
Boat name: Gilly B
Make: Osprey
Length: 5m +
Engine: suzuki 85
Join Date: Jun 2002
Posts: 40
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Thanks for the info, think I will try some duralac. Did a search for it and found several suppliers. 
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