Circle S Machine
Hydro Foil
Hydro Foil
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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
NOTE: All powdercoated, and XL plates are custom, and made to order. Please allow up to 7-10 business days for shipment.
![Hydro Foil](http://circlesmachine.com/cdn/shop/products/099A2101.jpg?v=1667891182&width=1445)
![Hydro Foil](http://circlesmachine.com/cdn/shop/products/099A2121.jpg?v=1667891183&width=1445)
![Hydro Foil](http://circlesmachine.com/cdn/shop/products/099A2073.jpg?v=1667891664&width=1445)
![Hydro Foil](http://circlesmachine.com/cdn/shop/products/099A2116.jpg?v=1667891664&width=1445)