Re: Truss rods
It definitely weakens the neck.
I bought a Kentucky mandolin with a broken neck, right through the trussrod cavity, where it widens for the adjustment nut.
I glued it and tested it with a very slight pressure and it broke again parallel to the original break, landing in the cavity again. I have now epoxied the rod and filled the cavity. Now it it even stays in tune.
Kentucky KM-805..........2 Hora M1086 Portuguese II(1 in car)
Hora M1088 Mandola.....
Richmond RMA-110..... .Noname Bearclaw
Pochette Franz Janisch...5 Pocket............Alfredo Privitera pocket
Puglisi Pocket 1908........Puglisi 1912.......Puglisi 1917
3 Mandolinetto ..............C.Garozzo
1 Mandriola...................Cannelo G. Mandriola...Böhm Waldzither 1921
Johs Møller 1945............Luigi Embergher Studio 1933
Marma Seashell back......Luigi Embergher 5bis 1909
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