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Showing results 1 to 25 of 500
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Search: Posts Made By: bobmcgov
Forum: Gear & Maintenance 4 Days Ago
Replies: 37
Views: 1,338
Posted By bobmcgov
Re: Stainless Steel Quality

That's exactly it, tho -- bending a tang or chainplate (& having it stay bent) means exceeding its yield strength. Which in steel, is no biggie -- you aren't even close to breaking the part. Maybe...
Forum: Gear & Maintenance 4 Days Ago
Replies: 37
Views: 1,338
Posted By bobmcgov
Re: Stainless Steel Quality

John: Sheared bolt heads like you describe are likely a result of yet another engineering property: brittleness. That's a measure of the distance between a material's yield strength and its ultimate...
Forum: Gear & Maintenance 6 Days Ago
Replies: 37
Views: 1,338
Posted By bobmcgov
Re: Stainless Steel Quality

Casey: I'm a little worried your rigger/fabricator takes that attitude. You won't find such a cavalier approach toward supply chains in, say, aircraft or military applications. Nor do you need to...
Forum: Introduce Yourself 03-30-2015
Replies: 3
Views: 307
Posted By bobmcgov
Re: Hello from Colorado

Welcome to Sailnet! We're just over the border in Laramie WY, where we keep an SJ21 on a mooring and occasionally splash our Bucc18 dinghy. The latter has quite an active fleet in your neck of the...
Forum: Gear & Maintenance 03-29-2015
Replies: 2
Views: 430
Posted By bobmcgov
VC Tar, or "Who paved may boat?!"

Removed the painted boot stripe from our Ballad today; some PO had heard that the width of the stripe should vary with the degree of rise, but they got the wider/narrower thing exactly backwards. ...
Forum: Gear & Maintenance 03-28-2015
Replies: 30
Views: 1,065
Posted By bobmcgov
Re: Wood identification?

Fuzzy: In case you are ever needing to match species....

Your boat interior panel products (and the wood above TomMaine's engine window) are African mahogany (khaya spp.) Ribbon figure, which...
Forum: Boat Reviews 03-27-2015
Replies: 5
Views: 375
Posted By bobmcgov
Re: Any opinions on RK Industries 1978 21 ft

Is this boat 21' or 20'? Cuz Coastal Recreation built three boats in those sizes. Balboa 21 (http://www.sailingtexas.com/sbalboa21a.html), Balboa 20 (http://www.sailingtexas.com/sbalboa20d.html), and...
Forum: Gear & Maintenance 02-27-2015
Replies: 6
Views: 525
Posted By bobmcgov
Re: Fabric weight for genoa

These are good points, Rich, but except on Volvo Ocean racers packing Cuben Fiber Code Zeros, most kick-about sailors are willing to sacrifice ten degrees of pointing for pure boat speed. A bit of...
Forum: Gear & Maintenance 02-26-2015
Replies: 6
Views: 525
Posted By bobmcgov
Re: Fabric weight for genoa

How large is the #1 you have now? I agree w/ Markwesti that nylon drifters are the cat's meow, especially in light-air venues like the Chessie. Very easy to set and douse, store in a tiny bag, and...
Forum: Gear & Maintenance 02-24-2015
Replies: 2
Views: 339
Posted By bobmcgov
Re: Halyard and roller furler

We're facing the same issues with our Albin Ballad. Both forward masthead sheaves are spoken for, and we may be adding a double crane for spinnaker Code 0 halyard blocks. How to get the spi...
Forum: General Discussion (sailing related) 02-22-2015
Replies: 18
Views: 1,217
Posted By bobmcgov
Re: Bronze vs Stainless steel

The dynamic loads and load cycles of offshore sailing are so much different than years of coastal; and I'm not sure how accurately they can even be enumerated. "Multiply by five" seems to be the...
Forum: General Discussion (sailing related) 02-22-2015
Replies: 18
Views: 1,217
Posted By bobmcgov
Re: Bronze vs Stainless steel

Bronze (like any copper alloy) can 'fatigue' in the sense of work hardening/embrittlement, but good silicon bronze is fairly resistant to fatigue if kept w'in a working limit of, say, 25% breaking...
Forum: Gear & Maintenance 02-21-2015
Replies: 15
Views: 813
Posted By bobmcgov
Re: Wood selection

*shrug* Good luck. Hope your bilges are really dry. Cuz maple (esp. hard maple) is prone to rot, mildew, and insect attack in damp locations. From the Purdue University Extension...
Forum: General Discussion (sailing related) 02-21-2015
Replies: 7
Views: 448
Posted By bobmcgov
Re: ? best way to soften old nylon line?

Old climbing trick was to put the rope in a mesh laindry bag & machine wash it (cold water, no detergent, no bleach) with a moderate amount of Downey fabric softener. Hang dry.

That said,...
Forum: Gear & Maintenance 02-21-2015
Replies: 15
Views: 813
Posted By bobmcgov
Re: Wood selection

Lonwood (http://www.lonsealspecialty.com/show_product/LONWOOD%20MARINE). :D Or one of the other sheet/strip-laid alternatives. I adore wood -- make my living with wood -- but I don't especially want...
Forum: Gear & Maintenance 02-20-2015
Replies: 15
Views: 813
Posted By bobmcgov
Re: Wood selection

Heh? Nooooo. :) Locust is a legume, a member of the highly diverse pea & bean order and family (Fabaceae).

Fabaceae - Wikipedia, the free encyclopedia

Black and honey belong to a different...
Forum: Gear & Maintenance 02-20-2015
Replies: 15
Views: 813
Posted By bobmcgov
Re: Wood selection

Cherry has moderate resistance to rot and adequate weathering properties (different metrics, there). It's a better outdoor wood than generally thought. White oak, by comparison has excellent rot...
Forum: General Discussion (sailing related) 02-20-2015
Replies: 58
Views: 4,584
Posted By bobmcgov
Re: "New Generation Anchors"

Bulwagga!
http://image5.sahibinden.com/photos/11/09/36/191110936vi0.jpg
Kidding. There's nearly nothing right about that anchor. Agree the Bruce is cute, in a...
Forum: General Discussion (sailing related) 02-16-2015
Replies: 16
Views: 1,348
Posted By bobmcgov
Re: Eco friendly anchoring

It's the yellow one ... without the annual Swimsuit Issue.
Forum: General Discussion (sailing related) 02-16-2015
Replies: 58
Views: 4,584
Posted By bobmcgov
Re: "New Generation Anchors"

The phrase is Next Generation, and it's not intended to close debate because no one is calling them "Final Generation.":) The fisherman hook dates back a couple centuries. The CQR plow is early...
Forum: General Discussion (sailing related) 02-15-2015
Replies: 16
Views: 1,348
Posted By bobmcgov
Re: Eco friendly anchoring

Liz Clark (http://swellvoyage.com/)of Swell. Sometimes pro surfer. Patagonia athlete. Harder than you are. Than I am. Broke her neck. Now shredding more waves. :)
Forum: General Discussion (sailing related) 02-15-2015
Replies: 58
Views: 4,584
Posted By bobmcgov
Re: "New Generation Anchors"

Minne: Here's one of the better tests I've seen:

Testing the new generation of anchors (http://www.mysailing.com.au/news/testing-the-new-generation-of-anchors)

You can still pick away at the...
Forum: Gear & Maintenance 02-13-2015
Replies: 21
Views: 1,169
Posted By bobmcgov
Re: pattern cutting on bandsaw

The danger with a bandsaw (assuming all guards are in place & adjusted properly) is that you are so focused on the cut line that you absent-mindedly push your thumb right into the exiting blade. ...
Forum: Gear & Maintenance 02-11-2015
Replies: 6
Views: 354
Posted By bobmcgov
Re: New halyards for an S2 7.9 what to get

Shnool: Most of the halyards on our 30' Ballad were 3/8"-7/16" double braid and DB-to-wire splices. We can get more strength with half the elongation with 1/4" modern lines.:) Probably go stripped...
Forum: Gear & Maintenance 02-11-2015
Replies: 6
Views: 354
Posted By bobmcgov
Re: New halyards for an S2 7.9 what to get

For a boat that size, 3/8" seems HUGE. Maybe for sheets, if you like the comfort of it; but for halyards & lifts, that's really fat. A 1/4" hi-tech line will have less total stretch, run faster,...
Showing results 1 to 25 of 500

 

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