Two x B18, imagine a cruise in the Norwegions fjords.....
The bulb was cast in two parts weighing 40kg each to fit around the hollow aluminium keel. Additional 20kg will be placed inside the foil. Total...
Small, lightweight racing sailboat.
Light sportsboat, 18 feet long (5.5m), 300kg, 100kg lead bulb, lots of sail :-)
Large cockpit, very small interior, sitting headrrom when roof is lifted
The little roof is lifted by gas sylinders when camping...