Ed,
You didn't say what the guy wanted for it but we can put that aside for a minute. After all, it IS a great looking mortar so I'm sure it's worth every penny.
Let's see, to move it and haul it around you'd need:
A 6' x 12' heavy duty trailer for about $7800;
A 5 ton chain hoist for $500;
A home built frame to hold hoist (cost is negligible since it's homebuilt from scrap steel)
However, since a guy can always use a good trailer and chain hoist, we really don't have to take those costs into account.
All you really have to figure on is how much it will cost every time you fire it.
Eight 10" sand filled shells from Paulsons cost $1200
50 lbs of BP (good for 8 shots) is approximately $488 delivered
If I did the math right that works out to right about $211 per shot.
HEY, that's not bad. We can do this!!
:wink: