Ylva (keelboat)
Ylva is a 12.68-metre (41.6 ft) sailboat class designed by Steen Kjølhede and built in about 100 copies. == History == Dinghy builder Steen Kjølhede built the first wooden Ylva in 1973 and won the 1973 Sjælland Rundt, an achievement he repeated three more times in a row with new-built Ylvas.