Roberto
Well-Known Member
FWIW, I once inadvertently posted a picture from the OCC booklet of a commercial JSD with cones all shredded into pieces after one single use, pictures are copyrighted so I won't make the same mistake again but if you look through the "Flying fish" editions of a few years ago you can find the whole story, maybe worth investigating the make. Flying Fish past editions available free from
Flying Fish Archive
Flying Fish Archive