Anthony Appleyard opened this issue on Oct 26, 2009 · 10 posts
Anthony Appleyard posted Mon, 26 October 2009 at 11:25 AM
If any of you has such a helmet, please measure its front window Inside and outside the windowframe) and tell me its measurements.
Sa_raneth posted Mon, 26 October 2009 at 6:17 PM
rough gess on old style helmet is 3 1/2 by 2 1/2 inches but most welding hoods now are large faceplate 5x7 inches and electronly powered to darkrn when arc is struck
momodot posted Mon, 26 October 2009 at 6:25 PM
momodot posted Mon, 26 October 2009 at 6:28 PM
Anthony Appleyard posted Tue, 27 October 2009 at 5:47 AM
in Momodot's version, is the flip-window arc-welding-dark and the fixed window clear, or what?
Anthanasius posted Tue, 27 October 2009 at 6:09 AM
wyrwulf posted Tue, 27 October 2009 at 9:50 AM
Quote - in Momodot's version, is the flip-window arc-welding-dark and the fixed window clear, or what?
Your guess is correct. The flipup holds the dark glass, and the fixed window is clear.
momodot posted Tue, 27 October 2009 at 2:06 PM
Anthony Appleyard posted Tue, 27 October 2009 at 5:47 PM
Attached Link: http://larashots.com/appleyard/3d/aa_weldinghelmet.zip
Note that arc-welding eye protection must be much darker then blowtorch eye protection.
Sa_raneth posted Tue, 27 October 2009 at 6:06 PM
thaty is a given if you know how to weld