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Resource > Windlass Tutorial >

Lewmar Windlass Guide




Windlasses F.A.Q's
 
 
 

Can a Gypsy Only Deck Unit be converted to Gypsy Capstan Unit?

Yes, it is possible to convert any of the H2/3, Concept / Ocean 1/2/3 and V2/3/4/5 range deck units to, or from a Gypsy Capstan. The deck unit will have to be removed from the deck in order to change the main drive shaft.

Can I change the size of the chain on my boat?

Yes, Lewmar make a range of different size gypsies that will handle a wide range of good quality, calibrated chain. Check the rope/chain chart in the windlass section of the catalogue or your windlass manual for the correct rope/chain and gypsy match.

Can I use a combination rope chain rode on my boat?

Yes, All of Lewmar’s High volume ranges of products take rope and chain in the gypsy. The gypsy’s are design to take a range of chains and ropes without the need to remove the rope or chain from the gypsy during recovery. This means you can use a spliced rode effortlessly, reducing both weight and cost of the rode. Check the rope/chain chart in the windlass section of the catalogue or your windlass manual for the correct rope/chain and gypsy match.

What type of rope can be used on a combined rope/chain anchor rode?

Lewmar recommends a premium quality, windlass grade, medium lay, 3-strand nylon rope or a premium multi-plait nylon anchor rode. There are many different rode applications based upon windlass, anchor size, rode length and the anchor locker's depth and volume. For a list of recommended rode choices for your Lewmar windlass please see "Choosing an Anchor Rode"

Why do I need a drum on my windlass?

Lewmar’s range of windlasses allows the drum to be operated separately from the gypsy (independent warping). Once the primary rode is secured, the clutch nut can be slackened off ½ a turn. Now when the windlass is operated, only the drum will turn. This means that you can use the drum when docking or for a secondary rope only rode.

Can I drop the anchor without having to power it down?

Yes, all Lewmar windlasses have a manual free fall function as standard. To free fall the anchor, you simply manually undo the top nut half a turn. This releases the gypsy allowing it to free wheel. You can control the speed or stop the descent by re-tightening the top nut. Some of the larger windlasses with brake bands fitted work slightly differently. Please consult the manual for free fall operation.

Can I get the anchor up if I lose power?

Most Lewmar windlasses have a manual recovery option however the method varies across the product ranges. Some Lewmar windlasses have built in manual recovery and others require an emergency manual recovery kit. Please consult your windlass manual for clarification.

Can I fit a chain counter to my windlass?

Yes. V700, V1/2/3/4 /5 & H2/3, come with magnet and sensor fitted as standard. In most cases older Lewmar windlasses are pre-drilled to take magnets and sensors. Lewmar have a range of chain counters for use with our windlasses, please see "Chain counters"

Can I fit a chain counter to my Pro-series?

It is not and easy job to fit an internal sensor to the Pro-Series / Fish windlass but it is easy enough to fit an external sensor up under the gypsy.

Can I use a wireless remote with my windlass?

Yes. Lewmar have recently added a 3 button windlass & 5 button windlass / thruster wireless remote to its range. These can be used on any windlass / thruster that is operated via a solenoid. The wireless remote is simply wired in parallel with the standard switch.

What if my windlass does not have a solenoid, can I still use a wireless remote?

Yes. But you would have to purchase and fit a solenoid & rocker switch. Some of the small Lewmar / Simpson & Lawrence products are supplier without a solenoid. These units have the windlass power switched directly through a high current toggle switch. The high current toggle switch should be removed and replaced with a solenoid & rocker switch. The wireless remote can then be wired to the solenoid in parallel with the rocker switch. We have created a kit that includes a solenoid (0052531), rocker switch (68000593) and instruction sheet. Kit part number is 66000652

Should I use a chain stopper when anchoring?

Yes. Lewmar recommends that when mooring, the rode is attached to a suitable strong point. If using a rope / chain rode then the rope should be tied off to a cleat or suitable strong point. If using a chain only rode then a chain stopper should be used. If the load is left on the windlass during mooring, shock loads could lead to damage of rode or the windlass. With rope rodes left under load in the gypsy the rope can get jammed into the gypsy causing damage to the stripper & rode when next operated. There is also a risk that the clutch nut could come loose causing the boat to slip its mooring. For our range of chain stoppers, please see "Chain stoppers"

Some of the Lewmar windlasses have fall-safe. How do I use it, why do I need it?

Fall safe is a safety feature we have added to our new products. It is used in two ways. When the anchor is stowed, Fall-safe should be engaged to stop accidental deployment of the anchor. For windlasses not fitted with Fall-safe, an anchor safety strap or similar should be used. Fall-safe pawl should also be engaged during manual recovery to act as a ratchet.



In order to select the proper windlass for your boat, three questions should be answered:
 


1. How long is my boat?

Use the selection guide to determine the general size of windlass to be used for your boat length and displacement.
For example, if you have a 33ft/ 10m boat, a 600lb/ 270kg pull windlass (Sprint 600) would typically be selected. Adjust the windlass size if necessary, based on your answers to questions two and three below.
 



2. How long is the anchor rode you wish to use and will it fit into your locker?

Begin by examining the depth of the anchor locker to determine the amount of 'fall' available. The fall is the vertical distance between the top of the anchor locker and the top of the anchor rode when it is completely stored inside the locker. This measurement is important in determining whether your boat will be best suited for a vertical or horizontal windlass.

Horizontal Windlass

 

The Horizontal windlass is a no-nonsense design widely used by boaters requiring optimum performance from their anchoring system. Boaters who frequently anchor, especially in deep water, require a no hassle self-tailing system. The horizontal windlass offers the best performance with small or unusual locker designs. As the anchor rode enters the gypsy it makes a 90º turn and feeds directly into the anchor locker. a minimum fall of 12"/ 30cm is recommended.


Vertical Windlass

 

Vertical windlasses provide aesthetic value and offer the added security of the anchor rode making a 180º wrap around the gypsy. The inherent design of the vertical windlass requires at least 12"/ 30cm of fall.
This is to allow gravity to properly self-tail the anchor rode through a 90º vertical turn into the anchor locker. Additionally, nylon line is lightweight and a short fall in a vertical windlass system might prevent the rode from feeding properly into the locker


 



3. How much pulling power should my windlass have?

Having selected the vertical or horizontal windlass sized for your boat length and displacement, the correct windlass pulling power for your needs must be determined using the following formula:

First determine the total weight of the ground tackle which comprises the anchor and rode.

For example;
 

  The weight of your anchor = 22lb/ 10kg
  The weight of your anchor rode comprises  
  15ft/ 4.58m of chain (at 0.74lb/ft or 1.09kg/m)   = 11lb/ 5kg
  200ft/ 61m of rope (at 0.06lb/ft or 0.09kg/m) = 12lb/ 5.5kg
  Total weight of ground tackle = 45lb/ 20.5kg


Second, take the total weight of the ground tackle and multiply by a factor of three to arrive at the required windlass pulling strength. The factor of three covers the effects of windage and the speed of tidal current and includes a safety margin for unknown circumstances.

In our example the required windlass pulling strength is 135lb/ 61.5kg (3 x 45lb/ 20.5kg).

Safety guidelines suggest that the required windlass pulling strength must not exceed 1/3 of the maximum pull capacity of the windlass. Therefore, our selection of a 600lbs/ 270kg pull windlass is correct as the 135lb/ 61.5kg required pulling strength is well below 1/3 the maximum windlass pull capacity.

 

Working Load

In a typical anchor recovery situation, the windlass will pass through a number of phases of operation as the boat approaches the anchor and finally breaks it out of the seabed. The load and speed will vary at each phase. For any anchor recovery, the windlass will operate longest in the 'working load' phase and it will experience a significant peak in load during anchor breakout.

 



 

Recovery
Begins
Recovery
Underway
Breakout


 

Retrieval Stowed


 



Electrical Circuit Protection

Any installation of electric powered windlasses must be protected with a circuit breaker. This ensures complete protection of the electric motor and installation cables if the windlass is overloaded.

Circuit breakers are normally rated on a 'continuous' basis. This is the load in Amps, under which they will retain electrical contact for an indefinite period. For example, a 70Amp circuit breaker will not trip unless the continuous current exceeds this figure. However, the maximum tolerated current draw may be as much as 250 Amps, but only for a short period of time. All our windlasses carry a recommendation on circuit breaker rating based on continuous operation.

Remember that motoring up to the anchor whilst using the windlass to retrieve the anchor rode and using the boat to "break out the anchor" is the proper anchor recovery procedure. Using the windlass to haul the boat to the anchor is not recommended and will result in damage to the windlass and motor.

 



Safety At Anchor

Windlasses are not designed to hold high loads while a boat is at anchor. When the windlass is not is use and the boat is at anchor, the anchor rode should be secured using a chain stopper or attached to a load bearing point such as a cleat.



 Horizontal Application
 




 Vertical Application
 



 




***The price is subject to change at anytime without any notice

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