There is little activity on this board which is a shame because
there must stil be a fair few Cav 28s still sailing around. There always
seems to be one or two listed online for sale.
I
have a Rule 500 gallon per hour bilge pump and float switch installed
in the most aft section of the bilge. The bilge is very shallow, so it
won't take a huge amount of water to flood all the separate sections of
the bilge and if the boat is healing while the bilge is flooded then the
water will flood the cabin sole. I know this because until I replaced the windows just recently, my Cav 28 was getting a lot of rainwater leaking into the cabin!
Remember to place the float switch a little higher (further aft) of the bilge pump so that it will be submerged when the float switch turns it on.