sentences:  As a production recreational sailboat the Olson 30 has been very resilient over time, and one can still find non-racing Olson 30 sailboats actively sailing today in exactly the same configuration as they were shipped in from the factory more than 30 years ago.However, as a One Design sailboat racing class, the Olson 30 has always been an experimental class.It lacks the extremely rigid One Design class rules that limit sail purchases, sail and boat materials, and some types of modifications.