Basic Instructions:
Provide Max. Span/width of Hydrofoil that will fit between hulls(Inches)
Provide current max wide open throttle speed (WOT) of the boat using a GPS device in (KNOTS)
Input Hydrofoil Angle of Attack value in degrees (Note: Start at 2= Avg best starting value,
0= High Speed of light boat 40-52 knots, 5= Slow Speed ( Below 13 knots or Heavier Bigger Boats)
Definitions Used:
Span of foil (Min Width Between Toons or Strakes - Inches)
Current Max Speed (GPS Verified-Knots)
AoA or Angle of Attack of VARA® Foil in (DEGREES)
| Input Your Boat's Current Measurement Data | 25% Speed Increase | 32% Speed Increase | 40% Speed Increase | |
| Max Span of Foil in Inches | ||||
| Current Max Speed in Knots | ||||
| AoA in Degrees | ||||
| Projected Output | ||||
Disclaimer: This Hydrofoil Lift Calculator is for illustrative purposes only and is not intended for design,
build or manufacturing purposes.
There is no warranty of performance, stated or implied, for the
calculations obtained or provided from the use of this form. This form always assumes that the vessel and
all of its components and working parts are maintained in good working order.
It is always the responsibility of the vessel owner/operator
to operate the vessel in a prudent and safe manner for the existing water conditions and to not exceed the capabilities of the
vessel and/or the operator.
