Torps, I see now why the Y-gun was so-called. Will bookmark that page for future refs - thank you all for your input. I had a minor disaster with SH3 after my initial post - to do with mods, as always - but back on the water now and starting yet another new career; GWX on one machine and NYGM on t'other, whey-hey!
I DO have one other query but it is off-topic, so will ask later..
