Propeller Bags Lift (lbs):60 dia and 75 lb bags have

and 75 lb bags have diver-actuated dump valves

A 25 gram cylinder will fill the float in about ten feet of water and about half full at 40 feet

with over-pressure valves to vent expanding air as they ascend

they are excellent for raising sunken boats and towing jobs

Propeller Bags Lift (lbs):60 dia and 75 lb bags havePropeller Bags are specifically designed for installing and removing boat propellers, but they are well suited for several other shallow water lifting jobs. To stabilize the lift of a heavy prop, it is sometimes necessary to lower its center of gravity by attaching a weight to its lowest blade. Please see the table below for sizes and pricing. The bags are sized for different diameter propellers. For example a CBPB 40 dia bag is for a 40 diameter