[TowerTalk] Cutting tubing

[Terry]

Another trick for cutting aluminum with a circular blade is to reverse 
the blade.  If you don't have a lot of aluminum to cut or the correct 
blade is unavailable just turn the circular blade over so the teeth are 
facing backwards.  The bigger the forward angle the more aggressive the 
blade acts.  By creating a "negative angle" you are able to cut aluminum 
without it grabbing.

I'm not advocating this method......I've just seen it done many times.  
Always use the correct blade for the job.

73 de Terry KK6T

N7KA at comcast.net wrote:
> I have very good luck with any large  tubing of any kind and getting a square cut.  Just wrap a piece of paper (I use printer paper) around the tubing and align the edges that overlap.  I then tape the overlap and use a permanent marker to scribe a line along the edge.  Remove ofr slide the paper out of the way and cut the tubing while rotating and follow the line with the saw blade.  Then dress the cut with a file to get rid of any burrs on the cut especially the inside.
>
> Arne N7KA
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