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Forum: Basic questions and answers 12-07-2018, 04:09 PM
Replies: 14
Views: 1,009
Posted By crystallographic
Sorry, cannot do it right now - leaving to teach...

Sorry, cannot do it right now - leaving to teach in DC. Back in 12 days. :):)
Forum: Automotive Projects 12-07-2018, 01:21 PM
Replies: 194
Views: 74,456
Posted By crystallographic
Been thinking about your car Will. If you...

Been thinking about your car Will.
If you wanted to go "full Edwardian" you could add a big ole nasty chain drive, dual to both rear wheels... :):) :p
yeehaw!!
Forum: General Discussion 12-06-2018, 01:53 PM
Replies: 3
Views: 229
Posted By crystallographic
Hi SmashBang, Note that wheels are Cast...

Hi SmashBang,
Note that wheels are Cast aluminum and bumpers are Extruded. Very different critters. Okay?
Try heating a 4in area of your bumper to 650F using a temp crayon or an IR gun.

You DO...
Forum: Events 12-03-2018, 03:04 PM
Replies: 7
Views: 607
Posted By crystallographic
Yeah skintcarter - all of the torches work, so...

Yeah skintcarter - all of the torches work, so anytime someone wants to try a such-and-such model, chances are it is somewhere in the torch drawer. :)
50279

Filler metals - yes Will, I never know...
Forum: Events 12-02-2018, 06:03 PM
Replies: 7
Views: 607
Posted By crystallographic
3rd day - Brazing, Braze-welding, and Welding ... and ...

50261
50262
50263
Double lap weld on .050 3003.
Planished in the Punishing Hammer, so .110" thick weld goes flat back to .050. Nice and smooth :)

and fast. No pinchy fingers. :)

50264...
Forum: Basic questions and answers 12-02-2018, 05:00 PM
Replies: 12
Views: 610
Posted By crystallographic
Yes, it will be like a Wheeling machine, as the...

Yes, it will be like a Wheeling machine, as the recip. machine is set for thickness the same way, with an adjustment wheel.
Some of the old craftsmen would use a foot-operated control cable on the...
Forum: Basic questions and answers 12-02-2018, 04:54 PM
Replies: 14
Views: 1,009
Posted By crystallographic
If you make up a test piece of accurate duplicate...

If you make up a test piece of accurate duplicate material and lay out your theoretical set points with a scribe, then you can make your bend and find out what your setback is - or identify where the...
Forum: Events 12-01-2018, 09:39 PM
Replies: 7
Views: 607
Posted By crystallographic
2nd day, Brazing and ...

50244
Start the day with a short cup...
50245
50248
50249
50250
The delicate steady finger of the pro fabricator -

Thanks, dear students!
Forum: General Discussion 12-01-2018, 11:14 AM
Replies: 18
Views: 941
Posted By crystallographic
Yes, big roll that was sliced 1/2 in the band...

Yes, big roll that was sliced 1/2 in the band saw.
(coat hangar is strictly for aggie welding, far out in the pasture) :cool:
Forum: General Discussion 11-30-2018, 06:53 PM
Replies: 18
Views: 941
Posted By crystallographic
Tom Hanna told me it was 1100. Sure welds like...

Tom Hanna told me it was 1100.
Sure welds like it.
Forum: Events 11-30-2018, 06:26 PM
Replies: 7
Views: 607
Posted By crystallographic
50210 Soldering copper to aluminum. 50211 ...

50210
Soldering copper to aluminum.
50211
Hot cleaning.
:rolleyes::):)
Forum: Events 11-30-2018, 03:44 PM
Replies: 7
Views: 607
Posted By crystallographic
Kent's Metal Camp - The Torch

Quick note from Metal Camp -
all campers happy -

Anchorage 7.0 quake has one camper concerned... home okay, checking on hangar ...

Soldering with the torch
50206
using a #2 pencil as a...
Forum: Basic questions and answers 11-30-2018, 11:30 AM
Replies: 11
Views: 594
Posted By crystallographic
wired edges

Ford used 1/8" dia wire on the cars.
5/32" on the trucks.
I'd use the 5/32" dia wire for your truck fenders.

I have rolls of soft galvy 5/32" dia wire I use in the workshops here for teaching...
Forum: Basic questions and answers 11-29-2018, 01:24 PM
Replies: 3
Views: 223
Posted By crystallographic
6061 ..............

6061 ..............
Forum: General Discussion 11-29-2018, 12:30 PM
Replies: 6
Views: 3,085
Posted By crystallographic
Jim Hume - gas welding O/H

I've spent several days at Jim's shop years ago and his work and experience is very impressive. He is an amazing wood worker and his accuracy on all of his work is incredible.
He has worked with...
Forum: Welding Sheet Metal 11-29-2018, 12:20 PM
Replies: 27
Views: 1,322
Posted By crystallographic
TIG tacks - why? for gas welding?

Radius joints are notorious for holding/clamping/restraining while tacking. Rolled strips of scrap can help but then there is the clamping .... and the weight of the clamps, the bulk, and three hands...
Forum: General Discussion 11-28-2018, 08:43 PM
Replies: 21
Views: 1,678
Posted By crystallographic
fire annealing

The large fires out here in CA for the past two years have left behind a LOT of steel tools that went to 2300F and then cooled very slowly, leaving a nice annealed condition. Hammerheads that are...
Forum: Buck Building 11-28-2018, 08:35 PM
Replies: 14
Views: 1,022
Posted By crystallographic
The 250 TR looks good, and the D Jag.

The 250 TR looks good, and the D Jag.
Forum: General Discussion 11-28-2018, 05:44 PM
Replies: 5
Views: 227
Posted By crystallographic
3M (minn. mining. and mon@poly) makes a Spray 77...

3M (minn. mining. and mon@poly) makes a Spray 77 that lets you release with effort. Spray 80 dies on the shelf.

90 is serious.
Low temp storage not recommended.
Forum: Basic questions and answers 11-28-2018, 05:36 PM
Replies: 14
Views: 1,009
Posted By crystallographic
Yes, absolutely. Paper patterns allow: 1)...

Yes, absolutely.
Paper patterns allow:
1) overall size
2) locations of holes, seams, hems, fasteners, louvers, and body lines - by the "rubbing" technique - Indiana Jones, getting the info from...
Forum: Basic questions and answers 11-28-2018, 03:25 PM
Replies: 14
Views: 1,009
Posted By crystallographic
I Don't fully understand your p[roblems, but...

I Don't fully understand your p[roblems, but after teaching a few workshops on this, I have learned:
"Never time to do it right but always time to do it over."
Having the patience to make good...
Forum: Welding Sheet Metal 11-28-2018, 03:20 PM
Replies: 27
Views: 1,322
Posted By crystallographic
TIG vs Torch

I posted this about TIG vs Torch on my website years ago:
https://www.tinmantech.com/education/articles/tig-vs-torch.php
An old A&P (aviation mechanic school) instructor once told me, after...
Forum: Welding Sheet Metal 11-28-2018, 02:58 PM
Replies: 27
Views: 1,322
Posted By crystallographic
Tig tacking - cracks

The old-school master craftsmen builders who use the TIG-tacking, use it prior to gas welding the panels. Guys like Jim Hume, Phil Remington, Tom Hanna, Don Edmunds, Don Borth, Dick Troutman, Nye...
Forum: Welding Sheet Metal 11-28-2018, 02:51 PM
Replies: 27
Views: 1,322
Posted By crystallographic
Sifalumin rods

From the content of 99.5% as claimed, I would say that the rod is merely the 1100 alloy that is so commonly available here in the USA.
:):)
Forum: Announcements 11-28-2018, 01:23 PM
Replies: 28
Views: 1,636
Posted By crystallographic
Thank you, Will. It was a big joy for me to be...

Thank you, Will. It was a big joy for me to be with your group for this workshop. :):)
Showing results 1 to 25 of 2031

 
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