As Wayne posted this thread I am about to pull the trigger on ordering a tapered reamer. The setup fee is substantial but the per piece cost after that is pretty reasonable. I have not finalized my order yet as I am not 100% convinced on the dimensions I want.
If anyone else is interested in this and might like to go in on it to defray the costs PM me to discuss.
It's for a perfect fit when coring.
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Or you could just use a 5/8 Saber sword and offset it.I've thought and researched a ton about this. It amounts to a half ass solution either way you look at it unless your willing to go back and forth with tweaking it until it removes material most efficiently which at its best performance still wont be very efficient at all. This back and forth will amount to a mountain of money until a satisfactory revision is accomplished.
So, if you are going to go the trouble and expense....I would purchase 20 of them and split the R&D cost across all 20 and sell them.
In lieu of the above and for the same or less money I'm looking at doing it with a laser.
This is of course my theory but I think it should be possible in this fashion.
For the sake of visualization lets say we have the following
Single axis lathe with a dual chuck headstock like the cuesmith deluxe. This headtock will be elevated slightly in the vertical direction to accomodate the angle/taper. This headstock will hold a piece of wood which has already been gundrilled. The lathe bed will host a vertical cnc driven "or manual" screw driven stage that hosts a laser which is oriented nearest the bottom portion of the gun drilled hole to allow smoke dissipation up and away from the laser as to avoid any refractance by trapped smoke. While spinning the lathe (not sure about rpms) the laser will move downward slightly in steps until the desired opening is achieved.
Here's a pic of the one Bob Owen just bought. I believe he said it was custom made and about $700.I'd be curious how this goes about.
For the reamer to be really good, I'd think it'd match the taper of the forearm or handle.
That way, the sleeve's walls are the same thickness from top to bottom.
I've given up on looking for tapered reamer that really makes sense to me .
I just have a 7" long boring bar plus the gun drill.
Wow. The albino unicorn!
What's the taper ?
.014" per inch ?
I wonder if there was a specific reason he went with a left hand spiral,,,,,,,,
Apparently it works well. Lots of taper too, if it's not following the cue taper it looks to be pretty close.
total nonsense ........... no value added............. put a straight core in it