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Search: Posts Made By: sand6000
Forum: Construction, Maintenance & Refit 23-06-2022, 13:21
Replies: 58
Views: 5,608
Posted By sand6000
Re: Need input from epoxy experts

Has nobody thought to ask the resin manufacturer?
Forum: Construction, Maintenance & Refit 12-06-2022, 13:22
Replies: 51
Views: 7,124
Posted By sand6000
Re: Do the big ships care about bottom cleaning?

The largest antifoul in use worldwide for ships is International Intersmooth SPC which is a self polishing product and is applied at a greater film build than recreational vessels.
Forum: Monohull Sailboats 30-05-2022, 13:15
Replies: 46
Views: 7,266
Posted By sand6000
Re: Once and for all, does the gel coat under the antifoul keep the water out or not?

If in doubt if it is polyester (most likely) or epoxy (not likely) then sand the gelcoat and smell it. Polyester has a sweet smell.
Forum: Construction, Maintenance & Refit 09-04-2022, 17:36
Replies: 125
Views: 17,215
Posted By sand6000
Re: Why use bottom paint when you can scrape?

Nothing wrong with copper. Besides it is the best legal option to use in a bottom paint to help prevent fouling.
Yes, you can use products that do not use copper but they will be far less effective.
Forum: Construction, Maintenance & Refit 20-02-2020, 13:18
Replies: 56
Views: 4,839
Posted By sand6000
Re: Epoxied Mat over Polyester Hull

There have been a few questions asked about what type of "mat" but I did not see an answer. There are Silane binders used with Chopped Strand Mat that make it unsuited for use with epoxy but...
Forum: Engines and Propulsion Systems 27-08-2019, 14:45
Replies: 60
Views: 21,429
Posted By sand6000
Re: Sail drives, how bad?

Saildrive legs are aluminium and you cannot use copper based aftifouling so they have growth issues and must be hauled out at no more than 12 months and sometimes a lot sooner. With shaft drive and a...
Forum: Construction, Maintenance & Refit 20-08-2019, 15:21
Replies: 28
Views: 3,208
Posted By sand6000
Re: Excessive drive belt wear

I have had similar results that was caused by overtensioning the belt.
Forum: Construction, Maintenance & Refit 02-08-2019, 19:32
Replies: 26
Views: 4,088
Posted By sand6000
Re: Has anyone tried using an insecticide additive with LPU?

Ecos is correct. LPU will lock in the incecticide whereas acrylics breathe and will probably be OK.
Forum: Construction, Maintenance & Refit 02-08-2019, 16:46
Replies: 45
Views: 7,083
Posted By sand6000
Re: New table varnishing tips.

7 degs is marginal. I would wait for warmer weather.
Varnish mid morning and Never after 3pm in cooler temps.
Try and keep Both the timber and Definately the varnish warm overnight.
I prefer one...
Forum: Multihull Sailboats 16-07-2019, 14:08
Replies: 26
Views: 5,671
Posted By sand6000
Re: So, I lost a propellor today.

Check to make sure left or right prop.
Forum: Monohull Sailboats 09-06-2019, 13:37
Replies: 69
Views: 16,504
Posted By sand6000
Re: Swing keel on a 42-50 footer

The inside of the slot where the keel lives will gather growth and not on impossible to get at but you cannot get in there to antifoul. I have experienced this on a yacht I had once.
Forum: Construction, Maintenance & Refit 22-05-2019, 14:01
Replies: 16
Views: 7,838
Posted By sand6000
Re: Fiberglass Matt / Cloth to use for structural bulkhead rebuild?

One of the main issues with CSM is that it uses a silane treatment as a binder and it is therefor very, very difficult to wet out with epoxy. Polyester is OK though.
Forum: Construction, Maintenance & Refit 18-04-2019, 13:43
Replies: 24
Views: 2,614
Posted By sand6000
Re: She need new bottom paint

Most countries in the modern world no longer allow sandblasting so are now using Ultra High Pressure Water Blasting. Usually around 40,000 psi.
Forum: Engines and Propulsion Systems 29-01-2019, 14:44
Replies: 46
Views: 9,640
Posted By sand6000
Re: How do I loosen the water strainer?

It is a Vetus and they are pigs when it comes to getting the lid unscrewed. Removing the whole unit I found the best option and take it to a workshop if you can. I smeared the rubber O ring and it...
Forum: Seamanship & Boat Handling 04-01-2019, 10:02
Replies: 67
Views: 13,249
Posted By sand6000
Re: Tacking Jib with Inner forestay

We removed our inner forestay altogether and installed2 forward lower shrouds on new chainplates attached to a bulkhead forward of the mast. Perfect solution. Who needs a cutter rig anyway.
Forum: Europe & Mediterranean 15-12-2018, 11:23
Replies: 27
Views: 9,707
Posted By sand6000
Re: Best Cruising Guide for the Med?

See if you can get a copy of "Letters from the Med" by Ian Trealeven
Forum: Construction, Maintenance & Refit 05-12-2018, 12:03
Replies: 26
Views: 70,864
Posted By sand6000
Re: Lowest Temperature for Bottom Paint Application

Antifouling (Bottom paint) is more forgiving than other coatings BUT the information given on the manufacturers data sheets (check their web sites) is the the best guide. For example International...
Forum: Construction, Maintenance & Refit 26-10-2018, 20:36
Replies: 25
Views: 4,885
Posted By sand6000
Re: Help Steel sloop- paint under water line

I would get a marine electrician or tech person from a paint company to put a 1/2 cell meter over the side before coming out of the water. This will tell you all all about the anodes and if there...
Forum: Engines and Propulsion Systems 11-10-2018, 12:59
Replies: 9
Views: 2,377
Posted By sand6000
Re: Yanmar 4jh3 DTE oil

You will maintain better oil pressure with 30 grade. My experience!
Forum: Powered Boats 26-09-2018, 15:09
Replies: 71
Views: 28,021
Posted By sand6000
Re: Which Trawler should I consider ?

The man wants suggestions, so Grand Banks 32, nothing else.
Forum: Auxiliary Equipment & Dinghy 25-09-2018, 15:25
Replies: 60
Views: 8,418
Posted By sand6000
Re: Which engine for my dinghy?

9.9 and 15 hp are the same engine but with different exhaust tubes. The 9.9 as I recall was to evade the tax issue which became applicable at 10hp.
Forum: Auxiliary Equipment & Dinghy 24-09-2018, 16:27
Replies: 60
Views: 8,418
Posted By sand6000
Re: Which engine for my dinghy?

2 strokes banned in Aust? I find that hard to believe/understand. Can you explain.
Forum: Boat Ownership & Making a Living 31-08-2018, 15:06
Replies: 72
Views: 10,975
Posted By sand6000
Re: How Long Do You Own a Boat?

Ross 780 racer/cruiser. 26 years and loved every minute.
Forum: General Sailing Forum 14-08-2018, 15:07
Replies: 124
Views: 21,089
Posted By sand6000
Re: Cruising and the aging sailor

I am 72 and recently sold my 28 ft yacht due to arthritus in one of my thumb joints which made using a winch very painful. I now have a 26 ft power cruiser and very happy.
Forum: Construction, Maintenance & Refit 03-08-2018, 15:24
Replies: 183
Views: 15,624
Posted By sand6000
Re: postponing antifouling paint job. OK or not OK?

Slap a coat of antifoul on and be prepared to take everything off in 14 months and replace with a completely new system.
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