Circle S Machine
Hydro Foil
Hydro Foil
Couldn't load pickup availability
Performance Enhancing Aluminum HydroFoil
This product is designed to help with several common issues.
Some benefits include:
Lower on plane speed
Less blowing out
Less prop cavitation
Ability to run prop higher
Each hydrofoil comes with the needed stainless steel hardware
There are 2 styles that are available. The difference is strictly a personal preference in appearance! The most common style has cutouts. The theory behind the cutouts in high performance applications is that they allow the propeller to spin higher RPM’s.
Sizing:
Small - 9.9-35 HP
Medium - 40-60 HP
Large - 60-90 HP or large gear case
XL - ¼” thick designed for 90 HP and more
Common motor suggested sizing:
Small - 10-¼” and smaller propellers
Yamaha 25, mercury 25, all true 25 and under HP
Medium - 10-¼” to 11-¾” propeller
Mercury 40-60 hp non CT (Command Thrust or Bigfoot) 2 stroke and 4 stroke
Yamaha 40-60 4 stroke; 40, 50 2 stroke
Tohatsu “mega”; 40-60 2 stroke and 4 stroke
Suzuki DT25
Large - 11-¾ to 14-½” propellers, up to 90hp
Any big gear case such as command thrust, or Bigfoot
Yamaha 60-90 2 stroke; 70-90 4 stroke
Tohatsu 90 2 & 4 stroke
Most Evinrude, Johnson, OMC 40-90hp, “big gear case”
Extra Large - same basic design as the large, just thicker, and a larger opening to slide around the foot. Designed for larger motors, with larger lower units, and more stress on the plate
Pictures are for the reference of STYLE ONLY. Picture may not accurately depict the SIZE or FINISH you selected. This is ONLY to reference the STYLE chosen.
NOTE: All powdercoated, and XL plates are custom, and made to order. Please allow up to 7-10 business days for shipment.


