RS Aero Class.
The RS Aero is a modern lightweight single hander. It is available in three sailplans of 5, 7 and 9 square metres. Giving the option to increase the size of sails as you grow or gain experience. The hull weighs 33kg and is 4 metres long.
website: rssailing.com/project/rs-aero/
Tuning Guide: RS Aero Sailing Tuning Guide