Stability

 

 

   

 Righting arms for different types of yachts. LWL = 11 meter.

   
  Colour codes in diagram
  Centreboard 15t aluminium/woordcore
  V-shaped hull
16t aluminium/woodcore
  Performance cruiser/Racer
10t woodcore
  Long keeled yacht
19t steel
  Fin keel yacht

3t aluminium/woodcore

   
  Stability at 25° heel = lever x weight
  Centreboard 15x0.28=4.2tm
  V-shaped hull
16x0.25=4.0tm
  Performance cruiser/Racer 10x 0.55=5.5tm
  Long keeled yacht
19x 0.28=5.3tm
  Fin keel yacht
13x 0.36=4.7tm