WindHelm advantages: Electro-polished 316 stainless steel contruction (main body) affording high strength and low corrosion + Elegant uncluttered appearance with single point attachment, allowing easy removal of unit for convenient stowage + Advanced bearing design to reduce friction and improve light air performance + Abilty to 'park' the water blade when unit is not in use + Easy system installation. 

Three models are available: 

• WH-S for 18-28' boats
• WH-M for 28-40' boats
• WH-L for boats >40

In addition to the three basic models, WindHelm can be customised by our design team to cater for your particular circumstances.

specifications:                                                                               

• Action: Servo pendulum lever to boat's main helm. Lever arm length: 400mm. 
• Construction: fabricated 316L stainless steel, electropolished finish.  
• Bearings: Torlon rolling ball for water blade shaft; PTFE filled PETE journal bearings for pendulum arm and wind blade pivot.
• Water blade: Bouyant foam-filled fibreglass construction. High efficiency NACA section. Shear pin impact protection. Maximum angular deflection from vertical under optimum conditions: 34 degrees.
• Bevel gears: machine cut 316 stainless steel.
• Wind blades: 6mm (standard) and 4mm (light air blade) epoxy-treated marine ply, finished two-pack polyurethane white.
• Specifications subject to change without notice.                   

WindHelm M

(WH-M)

For boats in the 28-40' range with transom heights of around 800-1000mm above the water line.

Weight: 20.5kg including transom bracket.

Please tell us about your boat so we can confirm the most suitable model for you and any other installation considerations

*Dimensions shown are a guidelines only and are subject to confirmation of your boat's details.

WindHelm S

(WH-S)

For boats in the 20-30' range with transom heights of around 600-800mm above the water line.

Weight: 17.5kg including transom bracket.

Please tell us about your boat so we can confirm the most suitable model for you and any other installation considerations

*Dimensions shown are a guidelines only and are subject to confirmation of your boat's details.

WindHelm L

(WH-L)

For boats in the 40-60' range or transom heights 1100mm above the water line.

Weight: 23.0kg including transom bracket.

Please tell us about your boat so we can confirm the most suitable model for you and any other installation considerations.

*Dimensions shown are guidelines only and are subject to confirmation of your boat's details.

Wheel drum

(WH-WD)

The wheel drum is designed to fit most spoked wheels. Installation is straight forward requiring 6mm 'J' bolts. (Click on images to right for better views.)

Construction: Cast alloy inner and outer drums with 316 stainless steel spindle and PETE bearing. Engagement system is via a 316 stainless steel index bolt to matching holes providing 18° between stops.

Standard finish: anodised natural 30 microns then powder coated white. (not shown)

Universal transom bracket

The transom bracket is easily mounted using four M10 bolts. It takes up the rake of most transoms and allows the main unit to be easily demounted for stowage.

Construction: Fabricated in 5083-H321 alloy plate. Socket is 316 stainless steel (S/S). All S/S components electrically isolated from alloy to prevent galvanic corrosion.

Standard finish: Alloy components anodised black 30 microns. Stainless steel components electropolished.

Click diagram to right for more detailed image.