HAM IV is the most popular rotator in the world for obvious reasons. It’s solidly constructed, has been time-tested and proven for over twenty years.
HAM IV is for medium communications arrays up to 15 square feet wind load area (7.5 sq. ft. with mast adapter). It has 800 inches-lbs. turning power and 5000 inches-lbs. break power.
North or South center of roation scale on meter, low voltage control, mast size 2 1/16”. 110 VAC
Wind load capacity (inside tower) 15 square feet
Wind load (w/ mast adaptor) 7.5 square feet
Turning Power 800 in-lbs.
Brake Power 5000 in lbs
Brake Construction Electric Wedge
Bearing Assembly Duel race/98 Ball bearings
Mounting Hardware Clamp Plate/Steel U bolts
Control Cable Conductors 8
Shipping Weight 26 lbs
Elective Movement (in tower) 2800 ft.-lbs..