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Forum: Multihull Sailboats 23-09-2012, 19:10
Replies: 236
Views: 43,547
Posted By PooBeetle
belated replies to everybody

Jim Cate,
and to 316 cheerleaders in general;

"There are NOT "endless thousands" of folks getting dismasted for any reason whatsoever"

You are right, as Google says it could only find 34500...
Forum: Multihull Sailboats 23-09-2012, 19:03
Replies: 236
Views: 43,547
Posted By PooBeetle
belated replies to everybody

thorcat
"enough already." ??

two things;

1/
if you explain too briefly, some peeps don't understand.

ie "3 cents extra moly" should have been enough to explain every single thing i...
Forum: Multihull Sailboats 22-09-2012, 20:08
Replies: 236
Views: 43,547
Posted By PooBeetle
Re: Dismasting - Why Does it Happen - How to Prevent it

Hi Greg Rubin of Allied Titanium. (long time admirer of all your posts. always good quality posts worth reading.)


You guys would be very attractive if you were a one stop shop,if you made sure...
Forum: Multihull Sailboats 22-09-2012, 18:56
Replies: 236
Views: 43,547
Posted By PooBeetle
Re: Dismasting - Why Does it Happen - How to Prevent it

Rakuflames - "That was fascinating (and eye-opening.)"

a special thank you. a pat on the back does good to anybody. and good for both of us then because i found the full story all facinating as...
Forum: Multihull Sailboats 22-09-2012, 18:14
Replies: 236
Views: 43,547
Posted By PooBeetle
belated replies to everybody

carstenb

endless thousands of people get dismasted from 316, and Insanity is doing what you have always done - and expecting a different result.

the chemistry in 316 doesn't even exist. it is...
Forum: Multihull Sailboats 21-09-2012, 17:56
Replies: 236
Views: 43,547
Posted By PooBeetle
Re: Dismasting - Why Does it Happen - How to Prevent it

Apologies

I had to answer Post Number One first. Manners, netiquiette, and so forth. So i apologise to anybody that may feel i've avoided their post, but i wanted to answer the original post...
Forum: Multihull Sailboats 21-09-2012, 17:35
Replies: 236
Views: 43,547
Posted By PooBeetle
Re: Dismasting - Why Does it Happen - How to Prevent it

Dismasting - Why does it happen, how to prevent it. The final chapter.

Appendix Part 3 Does Anybody Else Want Some?

32550 wire rope.
Yes it is available in europe, but expensive, and...
Forum: Multihull Sailboats 21-09-2012, 17:32
Replies: 236
Views: 43,547
Posted By PooBeetle
Re: Dismasting - Why Does it Happen - How to Prevent it

Dismasting - Why does it happen, how to prevent it.

Appendix Part 2 My own rig

This is my own mast and rigging design that prompted all the previous stuff you've been reading; in an...
Forum: Multihull Sailboats 09-09-2012, 17:19
Replies: 236
Views: 43,547
Posted By PooBeetle
Re: Dismasting - Why Does it Happen - How to Prevent it

Dismasting - Why does it happen, how to prevent it

Appendix Part 1 - Alternatives to 316

Nitronics, 2205 rigging fittings etc
Are any of the other currently available alloy alternatives...
Forum: Multihull Sailboats 07-09-2012, 17:06
Replies: 236
Views: 43,547
Posted By PooBeetle
Re: Dismasting - Why Does it Happen - How to Prevent it

Dismasting - Why does it happen, how to prevent it

Part 11 - Conclusions The Answer to Post Number One

After all that background, now comes the answer to the original questions. Remember,...
Forum: Multihull Sailboats 06-09-2012, 21:34
Replies: 31
Views: 8,719
Posted By PooBeetle
Re: Your Power to Weight Ratio ( Sail area to displacement in kilos )

power to weight ratios in *.txt
https://www.filedropper.com/power


in open doc *.odt
https://www.filedropper.com/powertoweightratios
Forum: Multihull Sailboats 06-09-2012, 21:14
Replies: 31
Views: 8,719
Posted By PooBeetle
Your Power to Weight Ratio ( Sail area to displacement in kilos )

please post your displacement and sail. for everybody's interest.


there is a lot of talk on here of speeds, and miles sailed per day.


be nice to have some context with that. your specs and...
Forum: Multihull Sailboats 03-09-2012, 15:30
Replies: 236
Views: 43,547
Posted By PooBeetle
Re: Dismasting - Why Does it Happen - How to Prevent it

Dismasting - why does it happen, how to prevent it
Part 10 – Rig Design and Safety Factors

Lets assume that for some strange reason that you want MODERN ENGINEERING instead of your friends and...
Forum: Multihull Sailboats 30-08-2012, 18:25
Replies: 236
Views: 43,547
Posted By PooBeetle
Re: Dismasting - Why Does it Happen - How to Prevent it

Dismasting - why does it happen, how to prevent it

Part 9 Intergranular Corrosion

Corrosion and Stress Fracturing along crystal boundaries.

45821

this is not 316, but shows the...
Forum: Multihull Sailboats 27-08-2012, 14:56
Replies: 236
Views: 43,547
Posted By PooBeetle
Re: Dismasting - Why Does it Happen - How to Prevent it

Dismasting - why does it happen, how to prevent it

Part 8 Rig Design

Why is your rig designed the way it is?
Sex.
Sex sells. Ugly doesn't. If cat makers didn't produce a desirable...
Forum: Multihull Sailboats 27-08-2012, 14:54
Replies: 236
Views: 43,547
Posted By PooBeetle
Re: Dismasting - Why Does it Happen - How to Prevent it

Chainplates
you are all insane all of you. To use 316 for a chainplate when any 6% moly will NEVER fail on you, and never have to be checked, EVER.

Dismasted, Kiribati
45641


There...
Forum: Multihull Sailboats 27-08-2012, 14:44
Replies: 236
Views: 43,547
Posted By PooBeetle
Re: Dismasting - Why Does it Happen - How to Prevent it

Turnbuckles
Note how shiny the turnbuckle looks. The fitting looks perfect.You generally can't tell that micro-crevices and microscopic stress corrosion has rotted all the way through the entire...
Forum: Multihull Sailboats 27-08-2012, 14:32
Replies: 236
Views: 43,547
Posted By PooBeetle
Re: Dismasting - Why Does it Happen - How to Prevent it

Dismasting - why does it happen, how to prevent it
Part 7 Fittings

316 Stress Corrosion Cracking is invisible. It is a chlorine or salt catalysed microscopic path inside the metal. If there...
Forum: Multihull Sailboats 21-08-2012, 18:51
Replies: 236
Views: 43,547
Posted By PooBeetle
Re: Dismasting - Why Does it Happen - How to Prevent it

Dismasting - why does it happen, how to prevent it

Part 6 - The Mythical Composite Sandwich meets the Demands of Capitalism.

Sandwiches.
Everybody here understands what a composite...
Forum: Multihull Sailboats 21-08-2012, 17:27
Replies: 236
Views: 43,547
Posted By PooBeetle
Re: Dismasting - Why Does it Happen - How to Prevent it

Dismasting - why does it happen, how to prevent it
Part 5 - Capitalism

An invisible economic paradigm that influences, permeates and stains ALL objects created by it.

The Lowest Quality...
Forum: Multihull Sailboats 21-08-2012, 17:19
Replies: 236
Views: 43,547
Posted By PooBeetle
Re: Dismasting - Why Does it Happen - How to Prevent it

Dismasting - why does it happen, how to prevent it

Part 4 316 Wire Rope

So now you've read the Metallurgy, and understand that no other alloy is as bad as 316 in resisting work hardening,...
Forum: Multihull Sailboats 14-08-2012, 15:30
Replies: 236
Views: 43,547
Posted By PooBeetle
Re: Dismasting - Why Does it Happen - How to Prevent it

Dismasting - why does it happen, how to prevent it


Part 3 - 316


Really short stories.

I'm going to skip briefly over all the technical data because there is an infinite amount of...
Forum: Multihull Sailboats 13-08-2012, 18:48
Replies: 236
Views: 43,547
Posted By PooBeetle
Re: Dismasting - Why does it happen, how to prevent it

Dismasting - why does it happen, how to prevent it

"What I don't fully get is why this happens on modern, production-type boats - particularly a fiberglass catamaran with a good quality mast and...
Forum: Multihull Sailboats 13-08-2012, 18:16
Replies: 236
Views: 43,547
Posted By PooBeetle
Re: Dismasting - Why does it happen, how to prevent it

Dismasting - why does it happen, how to prevent it

Part 1 - General Answers to Questions


impi
"was out of port on the first day ... new cat and rig ... came down on him as had a few others...
Forum: Multihull Sailboats 07-08-2012, 23:26
Replies: 236
Views: 43,547
Posted By PooBeetle
Re: Dismasting - Why does it happen, how to prevent it

Factor
"Rig Failure is not a given."

i've spent minimum 100 hours reading on 316 Stress Corrosion Cracking. I say it's GUARANTEED to fail, and EVERYBODY knows this. it's just CHEAP is all, (and...
Showing results 1 to 25 of 29

 
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