Patrick,
I followed the Riveted blog last summer as my father-in-law was on the same trip to Alaska in his classic Monk designed power boat. The guys at PYI should be able to confirm if the increased potential for contact with oil is a concern. That is something I have not faced as all of my shaft seal installations were well clear of engine oil. I have used the PYI shaft seal on 3 different boats over 30 years. I do follow the maintenance recommendations but I also have gone over 10 years on a bellows. I typically change the bellows during a normally scheduled haul out in the 7 to 8 year range. I closely inspect the shaft seal and burp it if the boat has not been used for a few months to be sure it is moving freely and has water for lube. On rare occasions, mostly confused seas along with higher boat speeds I have experienced a shaft seal heating up slightly and starting to squeak. A quick burp of the seal and all was well. Calypso's shaft seal is the type with out the vent that I have seen on some newer installations. Martin Calypso 1971 C&C43 Seattle ________________________________ From: CnC-List [cnc-list-boun...@cnc-list.com] on behalf of Patrick Davin via CnC-List [cnc-list@cnc-list.com] Sent: Sunday, April 24, 2016 8:36 PM To: cnc-list@cnc-list.com Cc: Patrick Davin Subject: Re: Stus-List Stuffing box options on LF38 Thanks, it's definitely sounding like the way to go. I'm just extra cautious when it comes to something enclosing a big hole in the boat. And I like simple systems, and the PSS is definitely more complex than a traditional stuffing box. But it sounds like PYI's 6 year recommendation is just them being extra conservative. Part of my worry about installing a more complex shaft seal arose from a local PNW blog report I read last year: http://www.riveted-blog.com/2015/08/excitement-at-sea.html http://www.riveted-blog.com/2015/08/hauling-out-in-juneau.html They suspected their PSS shaft seal of overheating. But they're a motor boat (so faster speeds), and in the end (in the 2nd post) they found the issue might have actually been an engine misalignment. I see Martin actually commented on the 1st one, about needing to burp the seal sometimes. If that's the only complication I need to know, then I'm happy with that. -Patrick On Sun, Apr 24, 2016 at 1:49 PM, <cnc-list-requ...@cnc-list.com<mailto:cnc-list-requ...@cnc-list.com>> wrote: ---------- Forwarded message ---------- From: Robert Boyer <dainyr...@icloud.com<mailto:dainyr...@icloud.com>> To: cnc-list@cnc-list.com<mailto:cnc-list@cnc-list.com> Cc: Patrick Davin <jda...@gmail.com<mailto:jda...@gmail.com>> Date: Sun, 24 Apr 2016 14:42:39 -0400 Subject: Re: Stus-List Stuffing box options on LF38 I've used a PSS shaft seal on my boat for the last 20 years and I'd never go back to a packing gland. I changed mine out at the 10 year point and it looked like it had plenty of life left at that time. Don't overthink this! Bob Bob Boyer S/V Rainy Days (1983 C&C Landfall 38 - Hull #230) Blog: dainyrays.blogspot.com<http://dainyrays.blogspot.com> Email: dainyr...@icloud.com<mailto:dainyr...@icloud.com> Annapolis, MD (presently in Baltimore)
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