sailboat electric winch conversion kit

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Electric Winch Conversion

By Craig Blazer, Technical Services Specialist

In this article

• Converting manual winches to electric
• Energy efficiency and space optimization
• Electric winch safety facts
• How to choose the right electric winch for you
• Electric winches are becoming more popular because they make shorthanded sailing much easier, allowing crews to hoist and trim any size sail in all kinds of conditions, simply by pushing a button.

At first, conversion can seem a bit daunting. The prospect of drilling new holes in your boat, using more power, and taking up valuable space belowdeck can put people off. It doesn't need to. Modern winch conversions are making it easier than ever to shift from manual to electric operation. Below is a list of common questions and pitfalls of winch conversions ensuring, that when the time comes, you'll have all the information you need to make the process as smooth as possible. Can I convert my manual winches to electric? This will depend on the model and age of your winch. Harken has two main winch ranges: Radial (2009 - present), which can be converted from 35.2ST models upward, and Classic, which can be converted from size 44 and larger. Call for the latest availability on Classic conversions. Are some winches too old to convert? Yes. Depending on what type of winch you're looking to convert, the years can vary. Generally, you should be able to convert any winch from 1999 onward. Please check with Harken to be sure. Is a winch's service history important? Absolutely. Winches must be in good condition prior to conversion. It can be harder with electric winches to detect whether a winch drum is becoming stiff, or is not spinning as freely as it should. It is essential that the winch is in good working order prior to conversion, and serviced regularly thereafter. Why are electric winches so much better? In short, they make life easier, enabling any crew regardless of strength, size, or physical condition to perform the tasks required. This makes high-load jobs easier (such as hoisting the mainsail when sailing short-handed) as it allows the user to look up at the main while hoisting to make sure there are no snags or hold-ups. What does a conversion kit include? Each conversion kits includes: winch shaft, motor and gearbox, circuit breaker, switches, and dual-function control box.

Improved safety features

With new technology constantly evolving, you might be surprised to learn about one Harken winch feature that has been around for years: the disconnect rod. This simple, yet unassuming, part disconnects the motor from the bottom of the center shaft when a handle is inserted in the winch socket. In the event of a power failure, this allows you to use the winch in manual mode, without the added resistance of turning the motor and gearbox. This safety feature also stops a winch handle from spinning if the button is pressed accidentally. Additional design innovations throughout the Radial range have seen modern winches incorporate a stripper arm that completely covers the rotating winch top. This prevents fingers and clothing from catching in moving parts, a comforting thought when using automated winches. Other safety innovations include built-in load controllers to prevent overloading, protecting both the winch and its users.

Space optimization

With horizontal (left/right) or vertical configuration options available for most sizes (Diagram A), it's easier than ever to fit an electric winch, with minimal space sacrificed belowdeck. Need an example? Check out what we've done with the  UniPower  winch to reduce the space required. Diagram A:  Electric winches can be mounted horizontally (left/right), or vertically for optimal use of space.

Spacers are available if needed for use between the motor and the deck. Evolving technology has enabled the new Dual-Function Control Box to incorporate a built-in load controller, reducing wiring and simplifying the circuit. The simplified wiring also allows more flexibility in where the control buttons can be mounted.

Enhanced energy efficiency

Another nifty advantage. Harken electric motors are the lowest profile on the market. By connecting directly to the central drive shaft, the motor uses the gearing to fully power the winch. This makes the motor more efficient. Other manufacturers fit motors on the bias (see diagram B) and cannot fully utilize the gears. Therefore, when you need to go up a gear, the motor simply draws extra power, putting more strain on your batteries. Innovations such as these have revolutionized the way we look at electric winches and their efficiency. Diagram B:  Central vs biased drive shaft - central mount optimizes gear power, reducing battery usage.

What type of electric winch should I choose?

We've got handy online guides that walk you through the process of ordering winches. You'll need to specify both power type and motor configuration when ordering. Click the link below for further information, or give Harken a call and we can talk you through it. Click here for the how-to-choose winch guide Let's talk… If you'd like to talk about electric winches or anything else feel free to contact us: [email protected] 262-691-3320

If you would like to link to or reprint this article please contact  [email protected]

Related products

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900 Electric UniPower Self-Tailing Radial Aluminum Winch

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60 Electric Self-Tailing Radial Bronze Winch — 2 Speed

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Sailboat Winches - Conversion Kits

Copyright © 2024 MAURIPRO Sailing LLC.

Conversion kit - Electric winch SailForce™

Available in size 40, 45, 52, 57, 60 and 70. Discover the features in detail here .

• Essential Command
• Advanced Command
• Full Command

Get an exclusive discount for trading in your old winches!

Trade in the old winches installed on your sailboat for new electric winches and enjoy an exclusive discount.

All-Inclusive Offer

All necessary components for installation are included, no additional components to purchase.

Selection guide

Lithium battery to motor :

You have the option to install the battery within distances of less than 2.5, 5, or 8 meters from the motors :

• 2x2.5 meters, 6mm², Ø 5mm
• 2x5 meters, 10mm², Ø 6mm
• 2x8 meters, 16mm²

Note that these cables are significantly thinner and more flexible compared to those used for conventional electric winches, making installation much easier.

Motor to command unit(s) :

• Essential Command : 2 meters, Ø 5mm
• Advanced Command : 2 meters, Ø 5mm

If you choose to install the two control commands for your electric winch, two cables are provided :

• Full Command: 1x2 meters + 1x6 meters, Ø 5 mm

Service battery to Lithium battery

The SailForce™ lithium battery can charge from both 12V and 24V service batteries on the boat.

Length : 2 meters, Ø 6 mm.

All dimensions here

Discover all the features :

Command units

Safety : tension limiter

HUTTON winches

Power consumption

Variable speeds and performance

Electrical safety of the system

Dimensions and installation

3 Ways to Convert Your Winches to Self-Tailing

Self-tailing winches are a great upgrade - but expensive. Luckily, there are a couple of budget ways to create your own self-tailing winches.

How to convert your winches to self-tailing? There are three ways to do it. The simplest and most cost-effective way to convert your winches is by installing 'winchers'. These are simple rubbers that hold the rope for you. You could also use a winch conversion kit like Winchmate. Or you could replace the winches by self-tailing ones.

I prefer the first option. The winchers are easy to install. But make sure you get the right size because otherwise it won't work and the installation can get frustrating. The conversion kit is also a solid way to do it if you have the cash. The last option is A LOT more expensive, and I don't think it's worth the investment.

On this page:

Different ways to get self-tailing winches, pros and cons of barton winchers, how to get the right size, how to install, related questions.

What is a Self-Tailing Winch? Winches are used to haul in the lines. A self-tailing winch holds the line in place for you. This way, you don't have to hold the line when you're turning the winch. You also don't need an extra pair of hands for pulling the line. So self-tailing winches are the perfect solution for solo sailors.

A regular self-tailing winch has a feeder arm which 'feeds' the line to the top of the winch. The top drum has a sort of jaw. The line goes into the jaw, which holds the line for you.

There are basically three ways to convert your winches.

• Barton winchers (click to check the price on Amazon ) - this is your best buy and budget option
• Winchmate conversion kit (click to check their website ) - I really like this product, but it's a bit more expensive
• winch replacement (click to check the price on Amazon ) - this isn't really an option for me (too expensive)

Winchers are simple rubber conversion rings. You install them on your current winches, which means you don't have to do an expensive replacement. They're inexpensive. Installation can be a bit of a pain but shouldn't be too difficult. I'll explain more on this option and how to install them later on.

The Winchmate conversion kit can help you to properly convert your winches. This kit includes an entire new top drum, including the feeding arm. Converting your winch this way creates a true self-tailing winch, ensuring you are in control of your lines.

Replacement is the best way to get self-tailing winches, but also the most expensive. I think you didn't come here looking for the obvious, so I'll leave it at that. If you want to have a cheap alternative, read on.

Why I Chose for Barton Marine's Winchers

I like the Barton Marine winchers the most because it's the simplest and most universal way of converting. Their winchers fit most winches. It's the KISS (sweet and simple) method. I always go for the KISS way.

It's the cheapest by far and works well enough for me (I'm not doing any ocean passages any time soon).

However, if you want a lifetime solution, check out Winchmate. Their conversion kits are pretty neat as well. You get the entire top part of the winch, so installation is a piece of cake. I guess this is also a good option. Tech specs are better than rubber winchers:

• has a line lifter/feeder arm
• aluminum line jaws instead of rubber
• installation is (if possible) even easier - 20 - 30 minutes
• you get a true self-tailing winch

The only disadvantage I can think of is that the investment doesn't get you a new winch, which means the Winchmate will only last you as long as your winch.

There are a couple of things to consider here. First, let's take a look at the pros:

• It's cheap - a pair of winchers probably cost under a $100 (for both sides). A pair of new self-tailing winches (A-brand) will cost you about 20-30 times that amount!
• The conversion is pretty easy to do
• They work fine
• They last you long enough - roughly about at least 5-10 years

If you're thinking: how will a rubber disc ever hold up? They hold up just fine. I've even read some accounts of a 12-ton sloop that uses these, and mid-sized yachts with heavy sails. All without any trouble whatsoever.

The biggest disadvantage is that the entire winch must be stacked with line for self-tailing to work. The wincher grips the line with the rubber underside of the wincher. So if the line doesn't reach all the way up to the underside of the wincher, it doesn't work. In practice, this doesn't cause trouble.

Winches don't have a feeder arm which controls the line. So it's a bit less secure, and you have to make sure the rubber jaw grips the line properly. But in my opinion, this isn't a real problem. I don't know of anybody that had a problem with the jaws not holding the line.

I've heard of someone that had a problem with the fit of the wincher - it slipped on the winch. But for most people they fit just fine and don't slip at all - even with larger winches. I suggest dry fitting the rubbers before actually installing them - you can always return them and get a more expensive solution.

The Barton Marine winchers fit standard-sized winches - so most, but not all.

They come in four universal sizes: small, medium, large, and x-large.

To get the right size, check the technical specs of your winch and look for the drum diameter. Then, choose the right wincher size from the table below:

This info comes directly from the Barton Marine website.

The larger the drum diameter for that particular size, the tighter it will be. Which is a nuisance for installation, and a good thing for the grip.

For installation, you need a flat-headed screwdriver and a Philips screwdriver.

• Soak the wincher in hot water with washing up soap. This softens them up. You have to be able to stretch them just enough to put them over the top of the winch.
• Undo the top disc of the winch, and remove the screws. Then, take off the entire top drum.
• Slide over the wincher. It can be an incredibly tight fit. Like all rubber parts, you'll probably wonder whether you've ordered the right size. But hey, the tighter it is now, the firmer it will stay in place later.
• Replace the top drum. Then, flip the top rubber edge over the top of the drum by running a screwdriver around the edge (a bit like placing a bicycle tire).

If you are more of a visual person, here's a good video that shows you how it's done. The audio is a bit windy but it gets better later on.

What does a self-tailing winch do? A self-tailing winch holds the line in place by itself. This means you don't need to hold the line while you're turning the winch, or need an extra pair of hands for pulling the line. Because of this, a self-tailing winch allows you to sail short-handed (solo).

What's the top groove on a wincher for? The top groove on a rubber wincher is called the jaw, and it's simply used to cleat the line. You don't need to use it when you're hauling in line. You may also use your original cleats. However, some people find it handy to use this rubber cleat on top of the winch.

Lars Dahlberg

As you live in The Netherlands, did you ever see a solution for the Dutch Enkes winches?

Leave a comment

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2022 SAILBOAT HARDWARE CATALOGUE

ANDERSEN STAINLESS STEEL WINCHES ®

Enduring strength, everlasting finish.

Every Andersen winch is made with the care and craftsmanship that come from more than sixty years of experience. Andersen winches are built to last, to retain their exceptional finish and to deliver season after season of reliable performance and sailing pleasure to their owner through the years. 

Get a grip with ANDERSEN Winches ANDERSEN Winches are all about Design and Engineering. We believe in setting standards, as this is the only way we can ensure a lifetime of safe sailing for our customers and a future at sea for our products. To achieve this, we employ state-of-the-art manufacturing technology, and our staff is dedicated to continuous development. We remain at the cutting edge of winch development by working closely with yachtsmen and sailing professionals to create unique, practical and reliable features.

ANDERSEN POWER RIB™ Andersen winch drums incorporate the distinctive Power Rib™ which ensures a controlled grip on the line at all times, whether trimming or easing. The highly polished stainless steel surface minimises vertical friction and allows the loaded rope turns to slide easily upward as the drum rotates, without the shuddering and excessive rope wear seen on winches that rely on a rough surface finish for grip.

Stainless steel roller bearings and ball bearings carry the highest drum loads to the centre stem of the winch, minimising efficiency losses due to friction.

The self-tailing arm can be rotated through 360 degrees for optimum positioning (40ST and larger). Stainless steel self-tailing jaws adjust automatically to suit various rope sizes.

Andersen winches are designed for simple, straightforward installation and maintenance. Servicing is only required every two years or so under normal use.

Compact Motor™ Electric Winches

Andersen Compact Motor™ electric winches allow you to hoist and trim sails at the push of a button regardless of physical strength, so any crew member can easily and safely trim sails and control lines.

Ease of installation The Andersen Compact Motor™ electric winch is available in two formats for either Above Deck or Below Deck motor placement. Motor gearbox and controller are integrated into one compact unit with no extra control box necessary. Simplified electrical installation requires just the connection of positive and negative power cables to the motor terminals and the connection of the push button using the included output cable.

Efficient, variable speed The Andersen Compact Motor™ is a brushless DC motor carefully matched to a low profile planetary gearbox which requires less space for installation, and draws considerably less current than traditional motor/gearbox configurations. Available in 12 volt and 24 volt models, Compact Motor™ electric winches operate at variable speed in proportion to the pressure applied to the push button, for smooth and quiet operation.

Classic Winches 

Whether you have a smaller yacht, or are just looking for that traditional look, Andersen Classic Winches provide hallmark quality and performance in a simple non self-tailing configuration.

Single and two speed models, suiting conventional top mounted handles are available in sizes 10 to 46 providing a perfect economical solution for trailerable yachts and small keel boats where constant trimming is required.

Traditionally styled, low profile Classic Winches are single speed and available with included base-mounted or below-deck handle configurations. They are standard equipment on many popular classic sailboats of up to 2 ton displacement, including Dragons, H-boats and Folkboats where their beautifully polished finish complements that of the craft.

Electric Conversion Kits

Converting your winch from manual to electric motor-driven operation is easy using ANDERSEN's Electric Conversion Kits. Available in either E1 single speed, Electric Two Speed, or Compact Motor™ Variable Speed power units, our conversion kits can be fitted to most modern ANDERSEN Winches™ ranging from size 28ST to 110ST and are available in 12V or 24V.

Installation is straight forward with all kits including everything you need to do-it-yourself, or have your preferred yard do it for you. A comprehensive installation manual, templates, push button and cable terminals are provided in every kit. Our comprehensive network of Distributors and resellers are always available to answer any question regarding the right conversion kit and installation process for your specific ANDERSEN Winch™.

Special Finishes

Andersen Stainless Steel Winches are supplied standard with the world renowned hand polished surface finish for years of corrosion free performance, beautiful aesthetics and minimal line wear.

ZT Finish A surface finish for stainless steel obtained by hand polishing the surface, and then blasting the metal with a finishing media. The ZT finish is often described as “gun metal grey” or “titanium look”.

Contact your local Andersen Stainless Steel dealer or distributor for details.

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'76 O'Day 32 CC Modification List

• Thread starter Beyond_the_Arc
• Start date Jul 16, 2009
• Oday Owner Forums
• Bigger Boats

Beyond_the_Arc

Am delighted second-year owner of v. nice boat mentioned above. Only mod since commissioning (as far as I can discern) is the addition of the ProFurl on the genny. Am considering the following time-phased list of mods: 1)  

Hamfingering the keys created that little glitch . . . 1) Changing to split backstay to enable, 2) Transom rail access and aft corner seating, to facillitate, 3) Addition of swim platform (6' teak, most likely). 4) Move engine controls to steeering post (Edson provides v. good instructions) 5) Addition of lazy jacks 6) Relocating mast lines/halyards to cockpit (additional winches, etc.) 7) Remodel/upgrade galley (Fridge, AC, etc.) Any personal experiences, pictures, cautions, notes & warnings would be greatly appreciated. PS. I'll try to master this new digitial camera as we progress through this endeavor, but no promises, at my age, I'm digitially challenged in some of the smaller devices. Fair winds & following seas.  

One of the first items when I bought Free Spirit was to cut the aft rail for easy access to and from the boat (see picture), lazy jacks are a must cause you get the main right in your face when dousing, winch and halyard clutch for main led to cockpit (see picture) this is some of the many upgrades Free Spirit has gotten in the last 6 years  

Attachments

Some other mods that I've done that might interest you 1-galley shelf,microwave,oven/cook top 2-Main sheet traveler 3-Bow sprit and windlass 4-aft sink converted to nav desk  

Konstantin, I cut a hole through the the bottom of the anchor locker and the chain goes down below the V berth and there's a bulkhead with an access door to cover the chain in the vee berth and a partition in the space below to keep the chain and rode together here's a drawing from a friend who has the 37 which is a big sister twin to the 32  

Konstantin, Make sure you beef up the bottom of the anchor locker to support the load and I installed a switch right behind the helm in the aft cabin (its next to the radio mic) so I can deploy or retrieve the anchor from the helm  

Hi! RAD Thanks for advice! We are going to start our trip from Helsinki to Moscow tomorrow. See you later!  

Smooth sailing & calm seas  

RAD, you've really done some beautiful custom work. We had corresponded about a year ago as I also have a 32' CC. Do you find the traveler was a necessary mod? I've been OK with the stock arrangement. I'm thinking of moving the winches aft (probably get self-tailers) to make it easier to singlehand. The windlass is nice, as is your custom chain/rode locker. I don't think I can swing a windlass now, but it seems to be great for single-handed anchoring. I'm still at the point of repairing damage done by years of neglect by the PO. I also have one of the old ZipStop mains, and it's not set up for reefing; that's a definite for this season, but I think a new main is not in my budget for this year. The elderly PO had an electric winch installed for the CB, but it is a terrible installation. We snapped the cable off the pendant on our last sail last year, so a better installation of the winch, repair of the cable, and remoting control from inside the saloon to the helm position. Anyway, you've given me a lot of food for thought. I'm going down next week for the whole week to start getting her ready to put over the side in May  

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• Lewmar Sailboat Hardware
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Lewmar 48St 12V Electric Winch Conversion Kit

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Lewmar 48St 12V E Conv Kit

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Collection: conversion kits, 3000w 26" 27.5" 29" mtx rear wheel e-bike hub motor kit, 1500w 26" 27.5" 29" mtx rear wheel e-bike conversion kit, 1000w 26" 27.5" 29" rear wheel e-bike conversion kit - watertight plugs, 5000w 26" 27.5" 29" mtx rear wheel e-bike hub motor kit.

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Tuning NCM Moscow, NCM Moscow plus and other NCM models (48 volt models)

• Thread starter jokskot
• Start date Jun 22, 2020

There has been considerable correspondence on this site and elsewhere regarding tuning the above e-bikes. Some contributors have spent £100+ to improve performance, buying kits from the US and Australia. After considerable literature searching and experimentation, I have built an inexpensive prototype (particular credit to Vspadrva and marze6989 of the German Pedelecs forum) which daisy chains into the cable linking the controller and display and allows a slightly higher speed to be achieved by the motor and effectively irons out the flat spot that users have reported as the speed drops from 25+km/h to under 25km/h. I have found that the time for a journey which used to take an hour has reduced to 50 minutes, the average speed on that journey has risen by 5km/h and generally I ride one gear higher than formerly. I will be incorporating the device permanently into the wiring and it will be hidden in the downtube. The tuning device is easily turned on and off using the controls on the display. If anyone would like more details about the performance or wishes to borrow the prototype device to try on their bike, please PM me.  

WheezyRider

Esteemed pedelecer.

jokskot said: There has been considerable correspondence on this site and elsewhere regarding tuning the above e-bikes. Some contributors have spent £100+ to improve performance, buying kits from the US and Australia. After considerable literature searching and experimentation, I have built an inexpensive prototype (particular credit to Vspadrva and marze6989 of the German Pedelecs forum) which daisy chains into the cable linking the controller and display and allows a slightly higher speed to be achieved by the motor and effectively irons out the flat spot that users have reported as the speed drops from 25+km/h to under 25km/h. I have found that the time for a journey which used to take an hour has reduced to 50 minutes, the average speed on that journey has risen by 5km/h and generally I ride one gear higher than formerly. I will be incorporating the device permanently into the wiring and it will be hidden in the downtube. The tuning device is easily turned on and off using the controls on the display. If anyone would like more details about the performance or wishes to borrow the prototype device to try on their bike, please PM me. Click to expand...

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