I don't have any experience with working with rod stock yet, but I was playing with a pre-fab the other day that I had cut the slit/lip off of. I know I had a hole there and so circumstances weren't ideal, BUT... I found that if you take one of those discs that you can buy for rotary tools, the one's that are for cutting through metal (and wear it down till it's the right size for this process), that you can very easily start a very neat little slit guide. Just take the end of that and cut into the slit area and stop when the width has reached what you would like it to be. You have beginning of a slit. I found it to be very useful.
FWIW...
starting the slit (tip?)
Hi Ben,
The Demel bit #199 is ideal for cutting the slit:
http://www2.towerhobbies.com/cgi-bin/wt ... XC578&P=FR
Rad
The Demel bit #199 is ideal for cutting the slit:
http://www2.towerhobbies.com/cgi-bin/wt ... XC578&P=FR
Rad
I cut the slit, widen it a little with a diamond point bit, and then widen the 1/16th hole side to side with a 1/16th bit (using the side of the bit to cut with) in the dremel. It makes a nice flattened funnel for easy, open smoke travel.You don't cut the entire slit with that do you? I wouldn't think you can go deep enough. Do you just start it with that?
Rad
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one thing to think of when using a dremel for such operations is that i cuts at way to high a speed (10000-30000 rpm) 8O and actually burns the ebonite wich is a rather heat sensitive material i usually use the little dremel blade but in my metal lathe at a much lower speed 180 rpm....then use a cordless handheld "powerdrill" with a 1,5mm drillbit to get a nice v slit
best
Love
www.geigerpipes.com
best
Love
www.geigerpipes.com