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Punching a Ti windscreen
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David Lewis
(davidlewis) - MLife

Locale: Nova Scotia, Canada
Punching a Ti windscreen on 05/04/2006 09:24:31 MDT Print View

I see the the pre-punched Ti windscreens are out of stock. I tried to punch one of my unpunched ones with a hole punch and it made a *BEEP* mess. That Titanum is tough stuff!!! Can anyone point me to a better tool for punching a clean 1/4" or slightly bigger hole in Ti foil?

Vick Hines
(vickrhines) - F

Locale: Central Texas
Re: Punching a Ti windscreen on 05/04/2006 12:16:19 MDT Print View

If your system permits, you can avoid punching altogether and just snip out some triangular or even rectangular openings on the 'bottom' edge of the windscreen. They will give more air than holes and will disturb the flames less than holes located higher. Tin snips will work. For a neat job, polish the edges with a Dremmel or sandpaper.

Joshua Mitchell
(jdmitch) - F

Locale: Kansas
Corner Nips on 05/04/2006 17:50:40 MDT Print View

If you really want to get fancy on cutting notches out of the bottoms (as vick suggested) you can also get some corner nips (right angle nips?)... can't find a link, but they exist.. they're made for cutting a corner out of sheetmetal if you're making a tray... probably expensive for single use but they make really clean right angles...

Vick Hines
(vickrhines) - F

Locale: Central Texas
Re: Corner Nips on 05/04/2006 19:55:15 MDT Print View

Yeah, Josh, that would work. There is also a device called nibblers for well... nibbling away at sheet metal. Radio Shack, and most tool companies have them. Try the Widgetsupply.com.

Edited by vickrhines on 05/04/2006 19:56:24 MDT.

David Lewis
(davidlewis) - MLife

Locale: Nova Scotia, Canada
Re: Re: Corner Nips on 05/05/2006 14:54:24 MDT Print View

Thanks for the idea... but those tools may have the same problems with this material as the hole punch did... i.e... material distortion since the material is soooooo thin and yet so strong.

Vick Hines
(vickrhines) - F

Locale: Central Texas
Re: Re: Re: Corner Nips on 05/05/2006 15:26:29 MDT Print View

Yeah, maybe. I've only used them on aluminum and thin steel. I haven't tried on titanium, but have just used aircraft snips and a Dremmel.
Either way, you can avoid making holes and be better off. In fact, you could just prop up one edge with a pebble or something.

Edited by vickrhines on 05/05/2006 15:28:10 MDT.

Dale Wambaugh
(dwambaugh) - MLife

Locale: Pacific Northwest
Re: Re: Punching a Ti windscreen on 05/06/2006 17:47:18 MDT Print View

Or just cut the metal in a short straight line and bend the corners back to make a triangle, giving a nice finished edge-- with the weight of the metal left in place vs. cutting it away.

Joshua Mitchell
(jdmitch) - F

Locale: Kansas
Re: Cut and Fold on 05/06/2006 18:24:25 MDT Print View

Of course, you could mostly trim the folded part... then you'd gain most of the weight savings and keep a smooth edge...

Nice Idea!

Daniel Goldenberg
(dag4643)

Locale: Pacific Northwet
Re: Re: Punching a Ti windscreen on 05/06/2006 19:25:13 MDT Print View

David,

I have a little left over BPL titanium foil from when I cut mine to length. I just tried punching the foil with my Whitney punch. It had no problem making a hole but the results where not that great, it did not leave a clean edge. The tool is up to the task but the big problem is that the foil is too thin. I didn't try it but maybe backing the foil with something else might prevent the problem

I then grabbed an ordinary pair of scissors (good quality, fiskars) and it made a clean cut no problem.

I would take Vick's advice and just cut triangular cuttouts on the bottom. Ordinary scissors will work fine, you don't need any tin snips.

Dan

Jason Klass
(jasonklass) - F

Locale: Parker, CO
trenches on 05/06/2006 23:36:26 MDT Print View

Dan, Dave, and Vick:

I think for ti, the best solution is to keep leave the screen as is and just use trenches. Once you punch holes in a windscreen, you are comitted to them. In this method, you can adjust to the conditions at hand (scroll down to "trenches"): http://www.freewebs.com/jasonklass/ventingoptions.htm

Bernard Shaw
(be_here_now@earthlink.net) - F

Locale: Upstate New York
Re: trenches on 05/07/2006 20:22:15 MDT Print View

How do you all use this stuff? It is so thin, with wind it blows all around deforming like crazy.

Dale Wambaugh
(dwambaugh) - MLife

Locale: Pacific Northwest
Re: trenches on 05/07/2006 21:06:24 MDT Print View

Good idea, or a few flat stones to jack it up a bit. Seems that trenches would be great if it was really blowing.

Oh, duh-- just went back and read your web page with the section on risers immediately after the trench stuff. Nice page too!

Edited by dwambaugh on 05/07/2006 21:16:36 MDT.

Michael Moccia
(MadMoe) - MLife

Locale: The Lone Star State
Re: Punching a Ti windscreen on 05/13/2006 07:14:45 MDT Print View

I used a three hole punch from Office Max, the same found in most offices. Worked outstanding. The ruler on the punch also functioned as a nifty spacing guide.

Edited by MadMoe on 05/13/2006 07:15:48 MDT.