LOA 11,43 m or 37 ft 6, (reverse transom version)
LWL 8,00 m or 26 ft 3 in
Beam 3,12 m or 10 ft 2 in
Draught 1,70 m or 5’ 7’’
Displacement 6.600 kg or 14.540 lb, weight of lead in the keel 2.800 kg, ratio 41%.
Sail area 52 m2 or 569 ft2
Tankage Diesel 90 L or 20 US gal, Water 200 L or 42 US gal

Sailplan Ohlson 38

The ratings for IMS are available for the Ohlson 38. The CRC rating (Fédération Royale Belge de Yachting) is 22.63. The Dansk Handicap (2007) rating is about 700 - 710 sec/sm depending on propeller-type and downwind sails measured.
Rig data is available under US
PHRF for three rig sizes and types and from SailboatData

Hull Shape

The design of the OHLSON 38 consists of a moderate beam and displacement combined with long overhangs. She has a long fin keel with a rudder mounted to a skeg.

Other data:
Engine: Originally a 24 HP diesel engine was fitted (Volvo MD 2B), but the engine bay will take larger ones (e.g. the MD3B with 36 HP). Today most of them will have been replaced to more modern engines around 28 HP.
Size of sail label: 43 cm or 17"