-The CH-3 Counter Rotating Drives can bolt to GM V8, Small Block, V8 Big Block and Cadillac Engines
-Used on 16' and larger air boats.
-Rotating models are 5" wide and can use HPPD Plus or Black hawk belts which are rated 60% stronger than the Standard HPPD Plus style.
-For Counter Rotators we recommend the Black hawk Belt.
-When using the Counter Rotating drive units you can increase your thrust by about 30% and reduce noise levels by 25%.
-Our Counter Rotating drive unit gives you the option to use wide, narrow, or a combination of different propellers.
-The Counter Rotating Upper Assembly can be used to modify your current belted reduction drive unit by replacing the standard upper assembly on your late model CH-3 drive unit into a Counter Rotating system.
-benefits of having a Belt Driven Counter Rotating drive unit is it eliminates the shock loads that can destroy or damage gear drives.
-The Counter Rotating drive unit evens out the work load of the transmission by using (4) planet gears that are driven by (1) floating sun gear this in turn drives the internal ring gear to achieve the counter rotation.
-The available ratios for a
CH-3 Counter Rotating Drive Unit are:
1.774 to 1 2 to 1 2.3 to 1
2.661 to 1 3 to 1 3.5 to 1