EZ
Virtual Tools | Marine
Hub
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Weather
Helm
Calculator
Analyze degree of weather or lee helm from sail plan and hull parameters
Input Parameters
CE Position (from bow) (ft)
CLR Position (from bow) (ft)
Waterline Length (ft)
Heel Angle (degrees)
Rudder Angle to Hold Course (degrees)
Calculate
Results
--
Lead Distance
ft
--
Lead % LWL
%
--
Helm Type
--
Effective Helm
degrees
Reference
Lead = CE - CLR Ideal Lead: 5-12% of LWL 3-5° of weather helm is ideal Heel increases weather helm tendency