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Search: Posts Made By: Sbgunderson
Forum: Basic questions and answers 01-10-2023, 10:42 PM
Replies: 21
Views: 4,794
Posted By Sbgunderson
Very nice work Crystallographic. That is on a...

Very nice work Crystallographic. That is on a grand scale.

Anyhow, I appreciate all the advice from each of you. It sounds like using an arbor press with metal rods to produce a V bend is a good...
Forum: Basic questions and answers 01-05-2023, 11:15 PM
Replies: 21
Views: 4,794
Posted By Sbgunderson
Awesome Richard, thank you for all the advice. I...

Awesome Richard, thank you for all the advice. I will give it a try and make the dies. It should be fun and difficult!

Spencer
Forum: Basic questions and answers 01-05-2023, 10:53 AM
Replies: 21
Views: 4,794
Posted By Sbgunderson
Thanks skintkarter and others. The press idea...

Thanks skintkarter and others. The press idea seems like it could work for my needs. Any thoughts on the size of the rods or how far they should be placed. Many thanks.

And if the Pullmax is for...
Forum: Basic questions and answers 01-04-2023, 07:04 PM
Replies: 21
Views: 4,794
Posted By Sbgunderson
Should have mentioned that, it is 3 feet in...

Should have mentioned that, it is 3 feet in diameter. Right now I have it planned to be in 16 pieces. So each piece of sheet is roughly 24”x24” to start.
Forum: Basic questions and answers 01-04-2023, 05:00 PM
Replies: 21
Views: 4,794
Posted By Sbgunderson
Hot or Cold Forming

Good evening and happy new year,

I am working on building a 1/2 sphere from 3/16” steel sheet. The patterns are all made. I don’t have much in the way of facilities or a place to make an insane...
Forum: Basic questions and answers 01-04-2021, 10:56 PM
Replies: 17
Views: 5,390
Posted By Sbgunderson
Thanks for all the useful information guys. Such...

Thanks for all the useful information guys. Such a wealth of knowledge here. I think I will ask around at the local muffler shops once I get a detailed plan.

Bending with sand inside the tube...
Forum: Basic questions and answers 01-03-2021, 07:20 PM
Replies: 17
Views: 5,390
Posted By Sbgunderson
Bending 3” Steel Tubing

Hello all,

I am working on the design for a ladder frame chassis, similar to the one found on a 550 Spyder. I am planning on a 3” diameter tube with a .063 wall thickness for the two main rails....
Forum: Basic questions and answers 10-08-2020, 09:02 PM
Replies: 5
Views: 1,430
Posted By Sbgunderson
Thanks for the advice guys. I will go ahead and...

Thanks for the advice guys. I will go ahead and order some .050.
As someone mentioned, I did order .050 and receive .040. Hence the issue.

Thanks,
Spencer
Forum: Basic questions and answers 10-08-2020, 06:39 AM
Replies: 5
Views: 1,430
Posted By Sbgunderson
Two different thicknesses of aluminum

Hello all,

I am making a few aluminum panels for a 356 replica. The existing panels are .050 3003 aluminum. Trouble is, I bought a sheets which turned out thinner than what I ordered. So my...
Forum: Basic questions and answers 08-28-2019, 09:49 PM
Replies: 6
Views: 3,402
Posted By Sbgunderson
Question Surface rust on panels and equipment

Hello all, I am just getting started out in metal shaping. I am working in a two car garage in the Washington DC area. I was surprised to see rust develop in just a day or two on the English wheel...
Forum: Introductions 08-11-2019, 06:35 PM
Replies: 4
Views: 1,684
Posted By Sbgunderson
Porsche fan in the DC area

Hello, my name is Spencer. I am new to metal shaping but have worked on cars and bikes for many years. I have started my first big project: an aluminum bodied Gmünd coupe. Almost finished with the...
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