Originally Posted by delmarrey
The problem with prop shaft pumps is the boat has to be in motion (prop shaft turning) and one may not want to be in motion in that event.
As for battery
boxes, if they have the proper unvented lids on them water
can not get into them unless they are turned sideways. This function is achieved by having a bubble of air trapped under the battery box
lid. If it remains reasonably horizontal, it will also prevent water
ingress to the box itself as the bubble extends down below the lip of the box. Standard Battery Box
anyone know of a way of 'snapping on' a pulley wheel
to a shaft, i.e. is a pulley in 2 halves available?