The ultimate propeller for lightweight indoor models and large Science Olympiad models, weighing a mere 1.3g. These propellers require a 0.020″ propeller shaft and aluminum bearing. They work best on 3/32″-1/8″ rubber.
WARNING: These are fragile propellers and require careful handling and storage. They are not appropriate for airframes weighing over 10g. Minimum recommended wingspan is 15″, and needs to be paired with a large stab and/or long tail moment for proper stability.