Measurement

One-design or not; strictness

• The International Moth Class rules are open.
• The Bladerider Moth can be sailed as an open class, or as strict one design.

Measurement at Championships

• Length, beam and sail area are all required at Moth Class Championships.
• Additional measurement at Championships for one-design Bladerider can include hull weight, foil shape/size, sail dimensions and fixed mast length/width.

Time to measure a boat; tools requires

• Approximately 5-10 minutes including sail.
• Jig required to measure hull width and length.
• Jig required to measure mast width and length (if required).
• Jig required to measure foil length, width and chord shape (if required).
• Scales to measure hull weight (if required).

Opportunity to vary equipment within rules

• Front hydrofoil angle of attack.
• Front hydrofoil mechanisms and gearing.
• Sail control purchase system.
• Batten stiffness.
• Wand stiffness and length.