Josh,
I do use a MacMaster shaft collar and it works well. The problem is that the
PYI shaft collar does not slide easily on the prop shaft, so I can't push it
aft to compress the bellows. Maybe some lubrication would help. And I won't
loosen the PYI collar again on haul out, as your experien
A regular zinc donut works well as a retainer, no need for fancy. It also
provides insurance against the shaft sliding out backwards if the coupler
and everything else lets go.
Jim Watts
Paradigm Shift
C&C 35 Mk III
Victoria, BC
On 4 June 2017 at 03:22, Josh Muckley via CnC-List
wrote:
> The re
The requisite compression is that which eliminates leakage. If your engine
mounts are soft, the prop thrust can push the engine forward and spread the
bellows and collar causing a leak...While in forward. The conventional
wisdom is that the shaft should have dimples drilled for the grub screws.
I
st@cnc-list.com>
Cc: Eric Frank<mailto:efran...@mac.com>
Subject: Stus-List Advice for PYI shaft seal maintenance
For winterizing the PYI shaft seal on Cat's Paw, it was recommended that I
loosen the SS collar on the prop shaft so the rubber bellows is not compressed.
I'm
For winterizing the PYI shaft seal on Cat's Paw, it was recommended that I
loosen the SS collar on the prop shaft so the rubber bellows is not compressed.
I'm now trying to compress the bellows again before launching - PYI recommends
compressing it about 3/4 inch. It's difficult to compress th