Roger Long wrote:

I really appreciate the advice on the snubbing because incorporating
it was going to required a whole enclosure for the switch set up.

Minimum Snubbing, put a snubber across the pump motor. If you solder
stranded wires onto the resistor and the capacitor and twist and solder
the two components in series then put in a n old 35mm film canister and
pour in epoxy resin (glass microbubbles would be fine as a filler), you
will have a sealed unit you can connect to the motor terminals.

Why not post a link to the new circuit diagram for some peer review of
the final design?


--
Ian Malcolm. London, ENGLAND. (NEWSGROUP REPLY PREFERRED)
ianm[at]the[dash]malcolms[dot]freeserve[dot]co[dot]uk
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'Stingo' Albacore #1554 - 15' Early 60's, Uffa Fox designed,
All varnished hot moulded wooden racing dinghy.