"Gene Kearns" wrote in message
...
On Thu, 2 Jul 2009 10:45:23 -0700 (PDT), Loogypicker penned the
following well considered thoughts to the readers of rec.boats:

|On Jul 2, 11:35 am, Gene wrote:
| On Thu, 02 Jul 2009 06:41:10 -0500, Richard Casady
|
| wrote:
| On Wed, 01 Jul 2009 13:20:05 -0400, HK wrote:
|
| And for a superior boat building material? Welded plate aluminum.
|
| It's not bad with rivets. All airplanes are riveted, none welded.
|
| Casady
|
| (1) Rivets and boats are as big a PITA as Integral Fuel Tanks and
| Rivets.... unless you have a fondness for corrosion and leaks....
|
| (2) Wrong.http://www.eclipseaviation.com/compa...nnovations.php
|
| --
|
| Forté Agent 5.00 Build 1171
|
| "Twenty years from now you will be more disappointed by
| the things you didn't do than by the ones you did do.
| So, throw off the bowlines. Sail away from the safe harbor.
| Catch the trade winds in your sails.
| Explore. Dream. Discover." - Unknown
|
| Grady-White Gulfstream, out of Oak Island, NC.
|
|
Homepagehttp://pamandgene.tranquilrefuge.net/boating/the_boat/my_boat.htm
|
|One of the troubles with aluminum is it's fracturability. You can take
|a piece of aluminum bar stock, say 1/4"x2", put it in a vice, score it
|across somewhere with a razor knife, using light pressure, and if you
|start flexing it, that's where it'll break, and it'll be a clean break
|right where you scored.

That is so predictable, I don't allow my students to have a scriber in
their tool box.....

--
Agent 5.00 Build 1171

Grady-White Gulfstream, out of Oak Island, NC.

Homepage
http://pamandgene.tranquilrefuge.net/



The one major problem with Aluminum is not really a B-10 rating, or whatever
it is called now. As long as you keep steel out of the plastic range, it
will not fracture like that. Aluminum does not have that ability. Just
design so the aluminum is not flexing all the time.