I thought it was the interaction of the metals, but that's just a guess. Joel
On Monday, April 6, 2015, David via CnC-List <[email protected]> wrote: > So,my aluminum halyard winches at the base of my mast is a regular > candidate for lubrication. None of the stainless drums require > this...just the aluminum. > > Am I to understand then, that is not me and my lubrication methods but > that these aluminum drums are more prone to gunk build-up? > > David F. Risch > (401) 419-4650 (cell) > > > ------------------------------ > To: [email protected] > <javascript:_e(%7B%7D,'cvml','[email protected]');>; > [email protected] > <javascript:_e(%7B%7D,'cvml','[email protected]');> > Date: Wed, 1 Apr 2015 17:56:56 +0000 > Subject: Re: Stus-List Corrosion in winch drum > From: [email protected] > <javascript:_e(%7B%7D,'cvml','[email protected]');> > > I recommend a quick clean up to remove any trace of the aluminum/SS > oxide. I used diesel as a solvent any bronze wool as the abrasive. I > cleaned all Calypso’s winch innards with diesel (it has a bit of lubricity > along with the solvent in case traces are left behind). > > > > For grease I use the Lubriplate 130AA, same as for a MAX prop. On the > pawls I use a light oil to avoid slowing them down with grease. > > > > If racing and not as worried about longevity (“nothing performs like a > loaner”), spray the cleaned winch down with LPS or a similar light lube. > It will spin fast with low resistance but have very little corrosion > protection. I was part of a 1981 Transpac charter of an older IOR boat > with gummed up winches (including grinder sized Barients). We cleaned the > winches in diesel, sprayed them down with a light spray lube and took off > for Hawaii. Winches still worked great when we sailed her back to San > Francisco. > > > > Martin DeYoung > > Calypso > > 1971 C&C 43 > > Seattle > > > [image: Description: Description: cid:D1BF9853-22F7-47FB-86F2-4115CE0BAF2F] > > > > *From:* CnC-List [mailto:[email protected] > <javascript:_e(%7B%7D,'cvml','[email protected]');>] *On > Behalf Of *Joel Aronson via CnC-List > *Sent:* Wednesday, April 01, 2015 6:14 AM > *To:* [email protected] > <javascript:_e(%7B%7D,'cvml','[email protected]');> > *Subject:* Stus-List Corrosion in winch drum > > > > All, > > > > Finally got the drum off the winch with lots of PB Blaster, force, heat, > and finally, my gear/prop puller. > > > > There is a lot of corrosion inside the aluminum drum where the bearing > rides (went too light on the grease?). Should I use 600 grit sandpaper to > smooth it? Other suggestions? > > > > I'll be buying the big tub of winch grease this weekend! > > > > -- > > Joel > 301 541 8551 > > _______________________________________________ Email address: > [email protected] > <javascript:_e(%7B%7D,'cvml','[email protected]');> To change your > list preferences, including unsubscribing -- go to the bottom of page at: > http://cnc-list.com/mailman/listinfo/cnc-list_cnc-list.com > -- Joel 301 541 8551
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