Davis Black Max Wind Direction Indicator Brand_SI-TEX Heavy Duty Blowers are designed

Heavy Duty Blowers are designed for applications such as commerical or high use engine room ventilation and extraction where a long life requirement demands heavy duty motors with long brush life

and has been redesigned from the ground up to improve upon the dynamic actions of the original

3:1 ratio gears

Raymarine's TA118 2-Up battery pack

Davis Black Max Wind Direction Indicator Brand_SI-TEX Heavy Duty Blowers are designedBlack Max Wind Direction Indicator Black Max is a versatile, high performance wind direction indicator that attaches quickly to the mast or boom. The tough high impact plastic vane is designed to withstand years of punishment and the abuse of small boat sailing. The stainless steel mounting arm and set screw, as well as a tough plastic mounting base, add to the system's durability. Wind vane lengthis 8" (20 cm). Black Max is packaged in its own