Search found 2138 matches

by Chaps
Fri Nov 30, 2018 9:52 pm
Forum: Alloy Boat Forum
Topic: Electrolysis
Replies: 12
Views: 382

Re: Electrolysis

Chaps Thanks for the reply, what you are seeing in the hull photos is the epoxy barrier coat and ablative non-copper paint which was pressure washed. Interesting about the Evinrude motor anode issue, I will replace all the anodes this winter and make sure that they all have a good connection. Is th...
by Chaps
Fri Nov 30, 2018 8:17 pm
Forum: Alloy Boat Forum
Topic: Electrolysis
Replies: 12
Views: 382

Re: Electrolysis

chaps, i am confused. i cut /pasted a post you made on the THT forum that seems to offer a different opinion. can you shed so light on this? see quote below, thanks Chaps Senior MemberCaptains Club Member Join Date: Jun 2002 Location: Seattle, WA Posts: 2,954 Default Re: Correct anodes for aluminum...
by Chaps
Thu Nov 29, 2018 11:52 pm
Forum: Alloy Boat Forum
Topic: Electrolysis
Replies: 12
Views: 382

Re: Electrolysis

Pictures can be deceiving but it looks like your hull might have been painted with copper antifoul paint which, if that is the case, will be causing quick anode depletion on both hull and engine and corrosion on the engine since the castings on the motor are typically lower on the galvanic scale tha...
by Chaps
Wed Oct 31, 2018 1:23 am
Forum: Alloy Boat Forum
Topic: Pacific length on trailer
Replies: 5
Views: 249

Re: Pacific length on trailer

Trailers vary in length, and will vary in length from boat to boat so there is no accurate way to answer your question
by Chaps
Fri Aug 17, 2018 3:38 am
Forum: Alloy Boat Forum
Topic: Magnum brand center console
Replies: 2
Views: 358

Re: Magnum brand center console

Post some pics, so many small builders over the years come and go . . .
by Chaps
Sat Aug 11, 2018 10:06 pm
Forum: Alloy Boat Forum
Topic: Maine downeasters vs. PNW aluminum boats
Replies: 9
Views: 893

Re: Maine downeasters vs. PNW aluminum boats

My 2¢ 1. With wood and fiber glass the designs are infinite, with aluminum you have to take what the metal will give you because it is so difficult to form. One of our forum members recently had a boat designed by C Raymond Hunt, variable deadrise type which was a challenge for the builder as I unde...
by Chaps
Sat Aug 11, 2018 9:03 pm
Forum: Alloy Boat Forum
Topic: Maine downeasters vs. PNW aluminum boats
Replies: 9
Views: 893

Re: Maine downeasters vs. PNW aluminum boats

Good questions!
by Chaps
Sun Jul 29, 2018 9:25 pm
Forum: Alloy Boat Forum
Topic: Interior Paint For Alloy Boats
Replies: 2
Views: 482

Re: Interior Paint For Alloy Boats

All the coating companies publish info on "systems" which includes prep & prime recommendations for different top coats that they make. Generally if you are going to sandblast first then epoxy primers work the best but do some research on the manufacturers websites or talk to the dealers that sell t...
by Chaps
Sat Jul 14, 2018 9:57 pm
Forum: Alloy Boat Forum
Topic: Clean edge paint removal
Replies: 2
Views: 556

Re: Clean edge paint removal

download.jpeg It would be tedious but possible to mask the spots and blast them with glass bead using a hand-held blaster. Use heavy vinyl tape, a circle punch to make holes in the tape, place the punched tape over the problem areas, protect any remaining good painted areas with more tape, get some...
by Chaps
Thu Jul 05, 2018 9:29 am
Forum: Alloy Boat Forum
Topic: Edwing boat question
Replies: 1
Views: 439

Re: Edwing boat question

My bill of sale from the boat he built for me in '98 said 5086
by Chaps
Tue Jul 03, 2018 6:41 pm
Forum: Alloy Boat Forum
Topic: Who Does A Marine Survey Matters
Replies: 3
Views: 472

Re: Who Does A Marine Survey Matters

Great info Kevin, thanks!
by Chaps
Thu Jun 28, 2018 6:28 am
Forum: Alloy Boat Forum
Topic: Corrosion advice
Replies: 12
Views: 1261

Re: Corrosion advice

Keep in mind that earth grounding from a hot boat can simply occur from boat to mud with no outside metal involved.
by Chaps
Tue Jun 26, 2018 8:38 pm
Forum: Alloy Boat Forum
Topic: Corrosion advice
Replies: 12
Views: 1261

Re: Corrosion advice

Typically yes, even with the battery on it wouldn't make a difference if the boat was out of the water. If it is in the water (and the battery is on) stray current damage can occur in a tight area and very rapidly, shortest path to earth ground using the salt water as a pathway is the likely spot. I...
by Chaps
Tue Jun 26, 2018 8:53 am
Forum: Alloy Boat Forum
Topic: Corrosion advice
Replies: 12
Views: 1261

Re: Corrosion advice

On second look at your photo of the hole and your comments regarding electrical issues on the boat there is the possibility that the hole could be the result of stray current corrosion and not the galvanic foreign object suggestion I described above. If there is a weak DC+ short to the hull in the c...
by Chaps
Sun Jun 24, 2018 10:34 pm
Forum: Alloy Boat Forum
Topic: Corrosion advice
Replies: 12
Views: 1261

Re: Corrosion advice

IMO standing water alone won't cause that problem however if a non-aluminum chunk of metal (like a stainless screw for instance) was resting at that point inside the hull and immersed in salt water over a long period of time then an active galvanic corrosion cell was created at that point that cause...
by Chaps
Wed May 23, 2018 9:26 am
Forum: Fishing your Alloy Boat
Topic: San Jaun islands lingcod and prawns.
Replies: 4
Views: 1550

Re: San Jaun islands lingcod and prawns.

killer pot puller!
by Chaps
Tue May 22, 2018 9:14 am
Forum: Alloy Boat Forum
Topic: Hull Pitting / Flowering
Replies: 9
Views: 1281

Re: Hull Pitting / Flowering

Its an older aluminum boat that is showing the cosmetic effects of being setup wrong from the beginning though it appears that no significant damage has been done so why all the worry? Pitting due to galvanics will likely stop when you fix the anode situation. The ultimate solution if you want to go...
by Chaps
Mon May 21, 2018 6:13 am
Forum: Alloy Boat Forum
Topic: Hull Pitting / Flowering
Replies: 9
Views: 1281

Re: Hull Pitting / Flowering

Strongly suggest you replace those zinc hull anodes with aluminum equivalents plus add aluminum rudder anodes to the stainless tabs. Also be sure the main engine anode is aluminum. Agree with Kevin the flowering and pitting has other factors encouraging the problem but getting your anode situation s...
by Chaps
Fri May 18, 2018 11:07 pm
Forum: Alloy Boat Forum
Topic: Hull Pitting / Flowering
Replies: 9
Views: 1281

Re: Hull Pitting / Flowering

Is the pitting/flowering both above and below the waterline? Show a couple of close-up pics of your transom anodes, trim tabs and engine mount brackets.
by Chaps
Wed May 09, 2018 11:47 pm
Forum: Your Alloy Boat
Topic: Almar 22 sounder repower
Replies: 16
Views: 3621

Re: Almar 22 sounder repower

pjay you can put up photos directly from your computer, click "add files" button at bottom of posting window, find your pic on your 'puter then hit the "place inline" button like I just did with the old tableboat gag pic (or you can do a drag/drop too)
tableboat.jpg
tableboat.jpg (52.6 KiB) Viewed 2562 times
by Chaps
Mon May 07, 2018 7:27 pm
Forum: Your Alloy Boat
Topic: Almar 22 sounder repower
Replies: 16
Views: 3621

Re: Almar 22 sounder repower

Congrats! You got a lot of work done in a hurry . . . !
by Chaps
Sun Apr 29, 2018 8:04 am
Forum: Alloy Boat Forum
Topic: Through Hull Transducer Mounting For Aluminum Alloy Boats
Replies: 4
Views: 846

Re: Through Hull Transducer Mounting For Aluminum Alloy Boats

I work on lots of aluminum boat bottoms and have never seen an issue with large thru-hull transducers.
by Chaps
Wed Apr 25, 2018 2:45 am
Forum: Your Alloy Boat
Topic: Almar 22 sounder repower
Replies: 16
Views: 3621

Re: Almar 22 sounder repower

I just noticed in an earlier pic that it had huge trim tabs considering the size of boat which would indicate that something was up with the handling. Are you planning to put those back on?
by Chaps
Fri Apr 20, 2018 10:27 am
Forum: Your Alloy Boat
Topic: Almar 22 sounder repower
Replies: 16
Views: 3621

Re: Almar 22 sounder repower

My repower is roughly similar to yours, I pulled twin Merc 4cyl I/O's and replaced with V6 Zuke on a non-flotation bracket. Assuming your fuel is on centerline you will notice a huge tipping reduction when filled up. I carry 115 gals and it sits in the water like a '58 caddy when full but gets light...
by Chaps
Fri Apr 13, 2018 10:10 am
Forum: Alloy Boat Forum
Topic: New From My Shop
Replies: 2
Views: 988

Re: New From My Shop

Nice job and interesting to hear about potential advances in boat building technology