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Search: Posts Made By: crystallographic
Forum: Introductions 03-23-2024, 10:24 PM
Replies: 14
Views: 829
Posted By crystallographic
Agreed - "clearance" can sometimes be heard as a...

Agreed - "clearance" can sometimes be heard as a whisper when the blades close without cutting any material.

(ps, I set my Pullmax cutters to cut thin paper, as the factory recommends.)
Forum: Introductions 03-22-2024, 08:50 PM
Replies: 14
Views: 829
Posted By crystallographic
Knife shears have a "pinch" tolerance and cutting...

Knife shears have a "pinch" tolerance and cutting angles.
Where the blades bypass one another wear occurs.
With this size I would try a diamond "stone" making flat passes on the bypass surfaces -...
Forum: Introductions 02-19-2024, 03:59 PM
Replies: 1
Views: 533
Posted By crystallographic
Very cool to have you here. Sorry to have seen...

Very cool to have you here.
Sorry to have seen terne plate fade away over the decades. The replacements are not as easy to work with.
Welcome.
:)
Forum: Introductions 09-14-2023, 07:27 AM
Replies: 10
Views: 1,771
Posted By crystallographic
Welcome back ... always seem to be wondering bout...

Welcome back ... always seem to be wondering bout your whereabouts....

(Got 100 lbs of coho fillets frozen and ready for homewards flights. :):))
Forum: Introductions 06-02-2023, 06:35 PM
Replies: 4
Views: 751
Posted By crystallographic
Welcome. This human read the bio. Also have...

Welcome.

This human read the bio. Also have done unmentionable collectibles.
(ps, got a cave with big old bones?)
Forum: Introductions 01-01-2023, 12:56 AM
Replies: 1
Views: 830
Posted By crystallographic
Welcome, David. Copper working is fun. Hammer...

Welcome, David.
Copper working is fun.
Hammer it, snip it, fold it, texture it, emboss and deboss it, solder it, braze it, weld it, color it and add rivets ... and it lasts ....
One guy had a 427...
Forum: Introductions 12-19-2022, 12:14 AM
Replies: 7
Views: 3,651
Posted By crystallographic
Very nice KR. Years well spent. :)

Very nice KR.
Years well spent. :)
Forum: Introductions 12-13-2022, 08:56 PM
Replies: 3
Views: 985
Posted By crystallographic
Welcome back, Ric. Forgeries = heat and hit....

Welcome back, Ric.

Forgeries = heat and hit.

64957

64958

Watch your lips ...
Forum: Introductions 12-05-2022, 02:25 PM
Replies: 10
Views: 2,555
Posted By crystallographic
Hi Scott, Be great to have you. This one...

Hi Scott,
Be great to have you. This one cancelled - notice was too short in mid-holidays.
Thinking Feb - 17,18,19 ...? (I have a damaged fusellage/tail to work on - Jan.
Been getting my "2024T3...
Forum: Introductions 11-25-2022, 11:00 PM
Replies: 10
Views: 2,555
Posted By crystallographic
...His torch looks exactly like my W-1 .... ...

...His torch looks exactly like my W-1 ....
Reflection indicates procedure.
Order of tacks and order of welds give reflection quality.
Aircraft tank factory.
Very Happy Thanksgiving ....
Forum: Introductions 11-17-2022, 06:01 PM
Replies: 10
Views: 2,555
Posted By crystallographic
Oxweld torch welding aluminum tanks, ALCOA book, 1942

64825

I have always liked this image - young man welding thick aluminum tanks (see filler wire diameter) ...
With a stack of them behind him....
But his reflection in the surface of the tank...
Forum: Introductions 11-13-2022, 09:15 PM
Replies: 10
Views: 2,555
Posted By crystallographic
Dates for next workshop: Dec. 3,4,5. Some...

Dates for next workshop: Dec. 3,4,5.

Some patents need "more experimentation." Like this one you list here. Money and time for product development in short supply. Need proven product. Now.
...
Forum: Introductions 11-10-2022, 03:09 PM
Replies: 10
Views: 2,555
Posted By crystallographic
gas welding misc stuff

Hi Oxweld,
Thinking of doing a workshop within next months? Jan-Feb?
.... Barring chain requirements ...

The earlier Yakovlev piston-engined airplanes had ti exhausts. Gas welded.
I spoke...
Forum: Introductions 11-07-2022, 11:13 PM
Replies: 10
Views: 2,555
Posted By crystallographic
just simply O/A...O/H

Welcome Oxweld.

The old Oxweld torches were sumpin'.
Got a 1920's version that will do .250" aluminum. A manly handful.
Saw an old film of atomic H2 welding -- then passed up an old rig -- no...
Forum: Introductions 10-11-2022, 10:51 PM
Replies: 1
Views: 926
Posted By crystallographic
Welcome, Mitch. WyoTech is a Good School...

Welcome, Mitch.
WyoTech is a Good School providing good training.
I know one Porsche resto company owner who regularly visits and interviews possible interns there. He has gotten good young talent...
Forum: Introductions 08-17-2022, 11:27 AM
Replies: 12
Views: 3,225
Posted By crystallographic
Welcome tovarishch. Maybe you need an old Zil...

Welcome tovarishch.
Maybe you need an old Zil to bring back.... :)
Forum: Introductions 08-16-2022, 12:04 PM
Replies: 1
Views: 1,026
Posted By crystallographic
Welcome, Pete. (near Granite-ville)

Welcome, Pete.
(near Granite-ville)
Forum: Introductions 08-13-2022, 10:01 PM
Replies: 2
Views: 1,210
Posted By crystallographic
Welcome Dennis, We'll be watching your progress...

Welcome Dennis,
We'll be watching your progress with interest.
:):)
Forum: Introductions 08-11-2022, 07:04 PM
Replies: 3
Views: 1,453
Posted By crystallographic
Welcome, Glen. ... a Topolino drag car - the...

Welcome, Glen.

... a Topolino drag car - the mental images that come to mind ... :D:D
Welcome ....
Forum: Introductions 06-01-2022, 08:39 PM
Replies: 1
Views: 867
Posted By crystallographic
Welcome Randall. Semper Fi

Welcome Randall.
Semper Fi
Forum: Introductions 05-26-2022, 05:50 PM
Replies: 1
Views: 834
Posted By crystallographic
Welcome HRBB.

Welcome HRBB.
Forum: Introductions 05-26-2022, 05:49 PM
Replies: 1
Views: 738
Posted By crystallographic
Welcome Raceton.

Welcome Raceton.
Forum: Introductions 05-16-2022, 08:25 PM
Replies: 3
Views: 1,345
Posted By crystallographic
Why Shade difference? - (Edited 05-17)

Poll: "Has anyone used both the Burtweld and the Tinman lenses?"

Answer: Yes, I have used both. And I know many others who have also.

Heard a lot of feedback on green welding lenses, since...
Forum: Introductions 05-02-2022, 06:00 PM
Replies: 3
Views: 1,487
Posted By crystallographic
Welcome, Mike. Old Indy stuff is cool. ...

Welcome, Mike.

Old Indy stuff is cool.
63451
'13 Mercer, accurate running repro of orig.
Forum: Introductions 04-28-2022, 11:15 PM
Replies: 1
Views: 1,018
Posted By crystallographic
Welcome, Dave.

Welcome, Dave.
Showing results 1 to 25 of 351

 
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