Launching O'Day 240 from Trailer
I've successfully trailer launched my O'Day 240 many, many, times. The boat has a fixed, wing, keel and draws 30 in. The trailer has bunks and pads (no rollers) and the tongue extends. I've had to extend the tongue on every ramp that I've used. Some ramps have been pretty steep, and some rather flat. Usually I back my two-wheel drive Chevy Astro van such that the rear tires are just in the water (making sure that the exhaust pipe is above water).I've also found that, when retreiving the boat, if I first squirt liquid detergent, e.g. "Joy" etc., all over the trailer's bunks and pads, it's a little easier to slide the boat to its original position.For both launching and retreival, the trailer has to be pretty well summereged, so the boat float off or on the trailer.A friend of mine has an identical boat, but his trailer is all-rollers (no bunks or pads) and no extendable trailer tongue. His rig seems to work even better than mine.