mkay, thanks to everyone for the replies
especially for the diameter measurement, and pictures, those are super.
LAN, did you use the graflica technique for the midband? i guess i have to be careful when reshaping the cut piece of tube to make sure it stays nice and round... i'm also having trouble finding parts for the actual clamp, though i'll keep looking (i guess the hardware stores feel that we Canadians don't need as many hardware supplies as Americans :P)
and you said you made the ears and ring in one piece... the site has the ears separate, right? was it a lot harder to shape the thing properly with it all together? (i presume you still made the smaller middle bits separate from the large ring)
Oh, and that reminds me... I was looking for 1.5" diameter solder-type extension tube (where most of the tube is 1.5" and then the end has about an inch and a bit designed to have another 1.5" OD tube inserted into it) and was thinking of using a couple of those larger bits for the midband, cuz then i wouldn't need to do reshaping and such cuz it's meant to fit around. except it's kinda difficult... i scoured quite a few brooklyn plumbing stores when i was in the area, and i came up with one that fit the specs i needed... most of them were raw brass or 1.25" or slipjoint
and thank you for the clarification about the placement of the emitter, jj... i thought that the blade holder was gonna stick out and look like the ring part, but now i see what it actually is like... do you think that the Graflica technique of making the ring/ears would work for my purposes? it looks alright to me at the moment, but maybe not.
oh, and the rubber sleeve is to create space between... the blade and the metal ring? or the metal ring and the emitter? or what? i wasn't so clear on that part of the post.
thanks again, everyone (and sorry about my constant questioning/etc)
[edit] Jonitus, with that ID (1.37"), you're *sure* the emitter will fit? I saw a site saying that the ID of a graflex was 1.16 or something o_O but i'm definitely thinking your answer is a little more real at this moment. the other guy's measurements kinda feel like republic credits.
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