Forum: SparTalk
04-18-2015, 04:06 PM
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Replies: 3
Views: 2,613
Ring
Someone once told me that a useable bronze fitting will be one that has a clear ring when tapped with a hammer and suspended with a wire ,,,,, thus a cracked bronze fitting will sound a "thud"...
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Forum: SparTalk
03-07-2015, 08:20 AM
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Replies: 3
Views: 2,304
Cloning Errors
Ahoy Brion , wondering what would be "Cloning Errors" on mast tangs ?
Do you suggest by this , that the tang displayed in the Benjiwood photo needs a nudge more shoulder area around the pin hole...
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Forum: SparTalk
02-19-2015, 07:01 AM
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Replies: 13
Views: 10,832
Rubber Mast Wedges
Ahoy Brion ,,, do you stock or order those rubber wedges for mast to partner spaces ?
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Forum: SparTalk
02-18-2015, 09:43 AM
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Replies: 9
Views: 5,921
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Forum: SparTalk
11-24-2014, 07:07 AM
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Replies: 5
Views: 3,233
aluminum corrosion
Heat has usually worked for me , Thanks Brion .
Wondering if anyone has used caustic soda (Lye n water) to remove those aluminum corrosion bubbles under paint ?
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Forum: SparTalk
10-15-2014, 08:25 AM
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Replies: 12
Views: 5,488
Welding on Aluminum Spars
Ahoy bm , my Forespar mast fabricated around 1985 has spreader bases welded right to the mast wall .
FWIW , author Nigel Calder says this , in his second edition of Boatowner's Mechanical and...
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Forum: SparTalk
10-15-2014, 08:03 AM
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Replies: 3
Views: 2,782
Potting S S
I concur with Brion's wise words of wisdom .
Some books that I have read in the past , say to "never" pot SS especially when used in or around salt water .
This holds true with fiberglass rudders...
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Forum: SparTalk
10-05-2014, 11:04 AM
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Replies: 2
Views: 2,638
316 vs 304
Ahoy Calypso , Good Question on 1 X 19 SS rigging wire choices .
Back in circa 1980's Brion gave a one night talk on rigging and rig failures , at the Santa Cruz West Marine store .
His...
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Forum: SparTalk
08-17-2014, 03:24 PM
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Replies: 10
Views: 9,298
954 is copper based alloy
That McMaster-Carr link , shows a copper based alloy (954) flanged bushing .
Without a pic , I am not quite sure of your application .
Riggers in the sailboat aluminum mast industry don't mate...
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Forum: SparTalk
07-22-2014, 10:36 AM
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Replies: 2
Views: 2,756
Foil Sections
Maybe you can , "Think outside the box" , and cut them where needed then re-splice them .
Other methods might use heat to help break the bond .
I am wondering if caustic soda might help ?
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Forum: SparTalk
06-12-2014, 08:52 PM
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Replies: 1
Views: 2,182
Rigging Standards
Sorry that I don't know of a specific "Rigging Standards" book for sailboats , but some of us boat owners use Nigel Calder's , book , "Boat Owners Mechanical and Electrical Manual" , for rigging...
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Forum: SparTalk
06-03-2014, 06:19 AM
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Replies: 1
Views: 2,189
Butt Welding Mast Extrusions
Ahoy All , I had a forespar aluminium mast, that developed corrosion bubbling under the paint.
This occurred about 5 1/2' up from the bottom end of the mast , seen inside the cabin, as the mast is...
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Forum: SparTalk
02-19-2014, 01:29 AM
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Replies: 6
Views: 4,470
Blue Metals
Gee , Storm , I am just a sailor who did the type of research that you are doing today.
It was explained to me that some of the Asian SS mills would skimp on Chrome or Nickel , if the prices were...
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Forum: SparTalk
02-14-2014, 02:21 AM
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Replies: 6
Views: 4,470
Chainplate Material
Gee Whiz , Storm ,,, you will not find an answer to your question , better than Brion's .
Knowing that Gold is the best alloy to cap teeth ,,, how many people choose that expensive option ?
So we...
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Forum: SparTalk
01-17-2014, 03:20 PM
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Replies: 6
Views: 3,904
Sealing Swages
Gosh , wouldn't we all like to have successful seals against stagnant salt water accumulating in the swage fittings ???
Marine surveyors say to just replace the SS wire and terminals at 10 year...
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Forum: SparTalk
01-17-2014, 02:53 PM
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Replies: 1
Views: 2,131
Bronze Turnbuckles
I am glad we can still find some available , and I chose "Jaw" ends , used with eye Sta-Locs on the wire , so that I could change the wire end to end , when the lower end showed signs of rust...
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Forum: SparTalk
01-05-2014, 06:52 PM
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Replies: 1
Views: 2,235
Eye vs T
There are many things to consider when making a choice like this , but structural strength comparison may not be a big one.
I would think that durability and long life may be more important ,...
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Forum: SparTalk
01-05-2014, 06:30 PM
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Replies: 2
Views: 2,452
Bronze Chainplates
Ahoy ,,,, their should be a heap of info on this subject in the Spar Talk archives , for you to read.
L & L , cast aluminium nickel bronze for their Hess Cutter Seraffyn .
I have used silicon...
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Forum: SparTalk
10-30-2013, 06:43 AM
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Replies: 13
Views: 12,068
Mast Tangs
Gulp ! that's a heap of information you are after ,,, but all of it, is important information .
Both Brion and Joe's answers on this forum have helped me heaps , in the past .
Maybe you would...
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Forum: SparTalk
10-04-2013, 08:06 PM
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Replies: 13
Views: 12,068
Tee Strap Toggles
Ahoy ,,, all the recommendations for designing with SS structural fittings , that I have read about , is to never hang anything structural from a SS welded fitting , and that ALL ss structural...
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Forum: SparTalk
09-29-2013, 05:16 PM
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Replies: 13
Views: 12,068
toggle design
Ahoy All ,,,, I am curious as to how the "Tee" on the tee-bolt stud toggle is formed ,,,, does anyone have a clue ?
Also has anyone put their 50 power h/h Edmund Scientific microscope on the bent...
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Forum: SparTalk
09-26-2013, 08:42 AM
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Replies: 1
Views: 2,536
South Coast Blocks
Ahoy All ,,,, does anyone know what that red rubber is , that South Coast Block cheeks were made of ?
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Forum: SparTalk
09-26-2013, 05:13 AM
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Replies: 13
Views: 12,068
Strap Toggles
Ahoy Mat ,,,, F W I W ,,,, I don't like ss strap toggles . My used boat came with SS strap toggles on the SS chain plates . The SS strap toggles were clean and bright, no rust showing .
Upon...
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Forum: SparTalk
08-28-2013, 02:50 AM
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Replies: 8
Views: 8,390
Silicon Bronze
Ahoy Storm ,,, the last Silicon Bronze plate stock , that I purchased was from Alaskan Copper and Brass : http://www.alascop.com/pdf/brbr/silicon_comm_sheet.pdf ,,,,,, they shipped that small...
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Forum: SparTalk
08-14-2013, 06:55 PM
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Replies: 12
Views: 18,622
Manganese C / P's
Ahoy Gary ,,, are you saying that your lower boomkin C / P's are made of Pete's Manganese castings ?
I guess if you are really concerned of de-zincification on long passages, you could add...
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