Shipping distance. Hmm. Well, one time I bought a CT Scan in Norway
(Oslo) and shipped it to a remote village in the Democratic Republic of
Congo, so perhaps I am not impressed by shipping things around.
A diamond slitting disk for a flex shaft should be available for $15 or
so (about 13 Euros), that would at least let you make the one cut, enough
to split the stone. It is simply a steel disk with diamond plating, a
small saw that fits on a arbor and used in your flex shaft.
Yes, the jade boulder approach was inspired by old Lapidary Journal
articles from the early 1960’s, basically a mud saw. The old
techniques work pretty well. That saw, no real design, just a
motor, gearbox, crank arm, and a piece of steel that we were going to use
to edge a flower bed in the garden. I use a CNC mill to machine the crank
arm though. And a bungee cord to keep tension on the blade, opposing the
force of the crank arm. The bungee was anchored to a bunch of mil
crates piled on the floor filed with, what else, cutting material. A 600
pound jade boulder gives you, well, alot of material to cut and carve,
More than you need.
Ah, sorry, off topic, I have too many stories.
Come to think of it, you could use a hand-held hack saw (reverse the
blade so you are using the smooth side with no teeth), and a slurry of
220 grit carbide, to make two slits on opposite sides of the cab, then
make a notch on the backside of the cab; support the cab at both ends on
top of two regular drill bits, then tap the front of the cab with a
hammer (put a piece of leather over the hammer face), and that should
split it, as long as you get the notches about 1/3 of the way across the
Anyway, best of luck with it Siljie.