Trieste took two men to world's deepest site San Diego Union Tribune

Fifty years ago, two men in an odd-looking ark out of San Diego ventured to a place no human had gone before — a site as remote and dangerous as a lunar vista.

There was no air, and the atmospheric pressures were crushing — up to 8 tons per square inch, strong enough to bend brace.

On Jan. 23, 1960, Don Walsh and Jacques Piccard became the first people to reach the bottom of Challenger Deep in the Mariana Trench. This spot, 35,797 feet below the covering, is the deepest surveyed point of Earth’s oceans.

“These guys were pioneers in the truest sense,” said Kevin Able-bodied, vice president at Deep sea Power & Light, a submersible-technology company in Kearny Mesa. “Cautiously by step, they pushed back the frontier and helped open up a new world. San Diego should be as proud of this as of building (Charles) Lindbergh’s Resolve of St. Louis.”

On this Jan. 23, Walsh and other participants in the historic dive of the Trieste bathyscaph will gather at the Hamlet and Country Resort in Mission Valley to commemorate their achievement.

how to repair a leaking aluminum boat?

minor, aluminum fishing boat, has sprung a leak, what's the best material to use for repair?


OK Shannon here's the attend to. If It is a riveted boat you can take a sledge hammer and lay it on one side of the rivet and take a second hammer and smack the opposite side for a quick fix and squish, no more leaky rivet. If it is a fault you can use aluminium JB weld, if used properly, and that will give you a temporary fix in till you can take it in and get a plate migged on. If you do, make undeviating they round off the edges. We've had the JB cold weld last all season, if your short on cash. Fiberglas does not occupation, it never did. Hope this helps.


Fiberglass doctor. At Wal Mart.


We renewal boats on occasion at my shop. We use an aluminum patch and Tig weld it in. That's really the only correct way to repair it . Its also a area the will last a long time. The reason we use a patch is because most of the holes that get in these boats are a gradual wearing on the aluminum from running them up on the banks of lakes and rivers.


You desideratum to find someone who will weld aluminum.


OK Shannon here's the do business. If It is a riveted boat you can take a sledge hammer and lay it on one side of the rivet and take a second hammer and smack the opposite side for a quick fix and squish, no more leaky rivet. If it is a hole you can use aluminium JB bond, if used properly, and that will give you a temporary fix in till you can take it in and get a plate migged on. If you do, make sure they round off the edges. We've had the JB distant weld last all season, if your short on cash. Fiberglas does not work, it never did. Hope this helps.


I improvement a lot of aluminum boats, riveted seams should be sealed with seals-all its kind of a elastic sealer wile the sealer is wet hammer and dolly the rivets beond the trickle area..Marine-Goop also works well that can be bought in Wal-Mart.. if its a Bow rub problem.. it should be welded ...Tig or mig.. then the approaching seams resealed cause the heat will burn out the sealer between the seems... I hope this is a help to you.... Proper Luck

Leaking aluminum boat...center keel?

Boat (12') is leaking where the sides go through the floor at the front.....small crack (1/4 in. or so) at this location....looks like there may have been an original puff or stopper in this crack that was held in place with a screw or??
Is there some replacement part or fill the hole or???
Thanks


If you discern any welders, they can repair it no problem.
Or contact a welding shop with aluminum TIG welding capacity.
Your other option is to fill it with epoxy but that will be a stopgap patch just like any other
Welding is the only permanent fix

what kind of sealer is best to stop leaks on a aluminum boat?

have a 30 ft. aluminum boat acquiescent to paint . wany to seal and paint it what to use and how . spray brush or roll ?


SIKAFLEX 221

How can you stop a leak on an aluminum boat around the rivets?



"Rebucking" the rivets may assistants. Otherwise you will have to live with it or replace the leaking rivets with new ones. If the leak is not very big (water in the boat is 2" at the most after a day of use) you can do what I did to my aluminum boat: build a plywood amaze that stays above the water and install a small bilge pump.

Riveting:
http://www.vansairforce.net/articles/NotesOnRiveting/NotesOnRiveting.htm

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