In today’s sailboat market, there is no shortage of lubricants, that is for sure! Sometimes it is easy to be confused on which ones to choose. Not to mention there are even more lubrication products becoming available on the market every day. I have been on many boats and usually I see mixture of WD-40 and some sort of dry lubricant or silicone spray. Rarely do I see grease of any kind unless it is for some sort of engine related use. Today I would like to talk about what lubricants pertain to your boat’s rigging, what you need to keep on board, and what can stay a-shore.
Spray Lubricants; Aero Kroil, Liquid Wrench, T-9 Boeshield or PB Blaster are exceptionally good penetrants. They can come in very handy if you need to lubricate in-between tight places like the threads of a seized screw for instance. These types of lubricants can typically be left at home. Usually you only need break screws free if you a working on something that has severely lacked maintenance, which is usually part of a bigger project like a mast and rigging refurbishment. Although it says on the can that WD-40 is a penetrant, it wouldn’t be my first choice for achieving lubrication or penetration over the aforementioned products. That is not say that WD-40 isn’t a GREAT product. It can definitely come in handy in various marine applications. Our shop will generally use WD-40 to clean, de-grease, and dissipate moisture. Namely in servicing a boats winches (you can read more on that here). Wd-40 can typically be left a-shore for the average club and buoy racer. Most people overuse these products and one should practice restraint when resorting to these spray lubricants. Most of these lubricants are petroleum based and leave an oily finish which can collect massive dirt and dust. T-9, however, from the Boeing Corporation is a special type of spray lubricant that when dry will leave a waxy finish, thus attracting less dirt and oil then these other lubricants. Originally developed for the aircraft industry, T-9 can come in handy in tight to reach places that would typically require Teflon grease or the like. Some of the applications that are ideal for Boeshield are plunger pins in aluminum spinnaker pole ends, aluminum blocks with metal bearings, or aluminum sheaves with stainless steel sheave pins that cannot be easily accessed.
Dry Lubricants; I would try and stay away from silicone spray all together. Yes, this does leave a slick finish but it also leaves behind a pretty thick film of non-marine grade silicone that is not easily removed and moreover is not designed for marine use. Non-marine silicone can cause certain plastics and rubbers to disintegrate or have a shortened life expectancy. When talking about dry lubrication on a boat the best choice is Team Mclube’s SailKote. Now just like anything else this is a wonderful product when used in the proper application. SailKote is to be used in just about every type of ‘sliding’ application imaginable, i.e. non ball bearing, sail tracks, jib lead tracks and even traveler tracks. Please note it is NOT be used in ball bearing applications, only where the hardware ‘slides’ across or through a track. Mclube’s Sailkote should always be on-board of any sailing vessel at all times.
Oils and Conditioners; The famous household 3 in 1 oil actually should have a home aboard a boat, and that home should be with the winch service supplies. This is a ‘one drop’ll do ya’ type of product and is mainly recommended for use on winch pawls and springs. For the club racer or the day sailor, this can stay in the garage. Team Mclube also has a new product for anything with composite ball bearings, it is called OneDrop. So this would be for any plastic, Torlon, non-metal ball bearing piece of hardware on your boat, i.e. Harken furler’s, Schaefer Furlers, Harken Batt Cars, and much more. This product can probably be kept at home as well, for I cannot think of one emergency that one might encounter where soap, water or any of the other above mentioned lubricants couldn’t handle the job, at least temporarily.
I want to just take a second to touch on the hydraulic oil subject, as I am asked about it regularly. Of course the best bet in this case is to see your local rigger. Just keep this in mind: Hydraulic oils vary based on the boats geographical location and use. Usually it will need to be a low viscosity grade that stands up to high temperatures. It also needs to be free of all detergents, which could cause gases to expand within the cylinders and cause seals to become compromised.
Finally, Grease; There a lot of greases, Furlex grease, Harken grease, Lanocote, Super Lube and the New Marlube just to name a few. Super Lube is an automotive product and I stand behind 100%. You can use it almost in any application requiring grease. All of these various grease manufacturers, in my opinion, provide a very similar product. Harken and Furlex grease come in a handy applicator, which is why I like them, because it makes less of a mess. Lanocote has unfortunately been surpassed (again, in my opinion) by these other synthetic/Teflon based lubricants. Mainly because Lanocote is very temperature sensitive and because it is based on lanolin which makes it not smell good and it can become rancid after a while. Marlube is Forespars newest lubricant that provides all of the latest and greatest in lubrication technology. To me, it is simply the marine industry’s Super Lube. All of these lubricants can be adequately used on any furling gears, metal ball bearings, or any hardware requiring a little grease. If needed T-9 can be used in place of these other spray lubricants but I wouldn’t use the other lubricants in place of T-9.
So if it were my boat, I would keep 1 tube of Harken gear grease, 1 big can off SailKote, 1 can of T-9 Boeshield, and a full roll of heavy duty paper towels on board. These three products should remedy any and all of your lubricating needs aboard your boat. I hope this helps you choose the right lubricant the next time you are in your local chandlery. Remember if you have a question that you would like to ask us, just leave us a comment and we will get back to you.
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