hey tex
1) thin ca to glue up the parts of ply wood,,
2) no used gorilla glue for tubes(all i use)
3) a big YES!!!
4) no i use 'dr woodshop' walnut oil/carnalba/shellac with top wax of microcrystal wax
5) NICE, i think !!! hehe
ps see the plywood stylus from a couple of days ago,, THAT was wild!!