In The Ever lasting Chain Of Experiments The Next Project, ultrasonic anti-fouling for boats.
Part 14 The transformer core I ordered from ebay arrived, wound the new bigger transformer today:
formatting link
that is 2 x 6 turns bifilair primary and 4 x 30 turns secondary. That core should be good to 120 VA.Maybe test in the weekend. All other parts arrived, waterproof connectors, waterproof switches.