They're a bit less expensive from mcmaster.com https://www.mcmaster.com/#shaft-collars/=18je30g
Dennis C. On Mon, Jul 17, 2017 at 11:02 AM, Marek Dziedzic via CnC-List < cnc-list@cnc-list.com> wrote: > An even more elegant solution is a shaft collar (e.g. > http://www.pyiinc.com/shaft-retention-collar.html, but they can be had > from other sources). I know that it is substantially more than $2 (it would > be around $20), but it works better. > > just my $0.02 > > Marek > > *From:* Frederick G Street via CnC-List > *Sent:* Monday, July 17, 2017 09:32 > *To:* Danny Haughey via CnC-List > *Cc:* Frederick G Street > *Subject:* Stus-List A cautionary tale... > > Over the weekend, we enjoyed a nice sail on our 1979 LF38 from our marina > out to Stockton Island in the Apostle Islands of Lake Superior. A bunch of > boat friends came by in the evening for cocktails and nibbles, then we > settled in for the night. Yesterday morning, I started the engine and > pulled up the anchor, and we motored back towards the marina. There was > enough wind just off dead downwind, so I pulled out the genny and shut the > engine down. As we picked up speed, there was a rhythmic clunking sound > down below. I tried to put the transmission in forward, then reverse, to > see if it was the shaft spinning, but there was no change. > > So I went down and opened up the engine compartment to see if I could find > the source of the noise. The key for the prop shaft at the coupler of the > V-drive was sitting down below the coupler, and the shaft was freely > spinning. Note that the only way this key can come out is if the shaft > slides out of the coupler; that’s what had happened. We were saved by the > fact that I had installed a hose clamp on the shaft between the V-drive and > the shaft log; that clamp was the only thing that kept us from losing the > propeller and shaft out the bottom of the boat. > > Checking the cap bolt on the coupler, it didn’t seem to be loose, and the > shaft has a large dimple where the cap bolt is supposed to capture the > shaft. I was able to loosen the cap bolt, line up the shaft and coupler, > re-insert the key and slide the shaft back into the coupler and tighten > things up. Then I added *another* hose clamp just ahead of the shaft > log, in case things came apart again. > > I’ll have to recheck the cap bolt after a week or two and see how things > look. But that silly $2.00 stainless hose clamp definitely saved us from a > world of hurt in the cold waters of Lake Superior… > > I urge everyone on the list to make sure you have this simple fix in place. > > — Fred > > > Fred Street -- Minneapolis > S/V Oceanis (1979 C&C Landfall 38) -- Bayfield, WI > > > _______________________________________________ > > This list is supported by the generous donations of our members. If you > wish to make a contribution to offset our costs, please go to: > https://www.paypal.me/stumurray > > All Contributions are greatly appreciated! > >
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