"Designed as a practice boat for the Tornado it is a very well behaved and predictable boat. Rights to manufacture were sold out of Britain to Aussie. Some tried to up the rig to twin trap but this almost always resulted in a broken mast. " http://sailboatdata.com/viewrecord.asp?class_id=6256
Hydra
Hydra - Sails up - Right Side
Hydra 16ft - De-rigged
Hydra 16ft - Left side