Karver KPW Power Winch

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As low as £2,559.95 Regular Price £2,834.75


The Karver Power Winch gives you an automatic 4 speed winch for 2 times more power

Extra gears mean less work for you, with no extra buttons or complicated maneuvers, just by reversing the winch handle direction. The ease with which you can wind in a heavily loaded sheet is truly astonishing with the Power.

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Karver Power Winch has two additional low ratio gears which take the hard work out of handling and trimming sails.

The Power Winch is used at first in exactly the same way as a conventional 2-speed winch:- start winching in the highest gear, then reverse the rotation of the winch-handle to engage the lower gear. Keep going until the sail is trimmed, but getting in the last few inches of a genoa sheet can end up as a real struggle. However, if you are using a Power Winch, at this point the  Karver's patented clutch mechanism engages.  Changing the rotation of the winch handle again  automatically brings the two lowest ratios into use. This enables you to deal with heavy sheetloads with far less effort than is possible with conventional two-speed winches. Often, final trimming can be completed just using your fingertips. Sail trimming in a firm breeze is no longer restricted to the strongest on board, and during a passage crew fatigue is greatly reduced.

Many yacht owners are eventually  faced with the fact that their yacht’s sheet and halyard loads are exceeding the crew’s capacity to winch. Until now there have been three main options: only sail when there is a stronger, often younger crew available; fit expensive electric winches, with all the associated cabling, switching and battery capacity issues; or sell the boat and buy another which is within the crew’s capability. The Karver Power now provides a cost-effective and efficient alternative which is also easy to install.

  • Eliminates need to upgrade to an electric winch.
  • Mechanical advantage of additional gears allows more force to be hauled in easier reducing winching effort by 50%.
  • Automatic: extra power engages as soon as load is sensed on drum.
  • Depowering is a simple as reversing winch handle.
  • All winches are self-tailing.
  • Available in 3 sizes (40, 46, 52).
  • Black hard anodized aluminum.
  • Sized to retrofit most standard winches.
  • Corrosion-proof components.
  • Easy to maintain.
  • 5-year warranty.

Winch selection guide

Winch Specifications


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Where products are in stock you should expect delivery within 3 working days. For next day delivery the cut-off time is 2pm. Orders received after 2pm will be dispatched the following day for delivery the day after.
Delivery for Chart Art is 10 working days.
Returns during the Christmas period. We will accept the return of any product (excluding custom made products such as rope, rigging, sails or canvas work, or audio or video recordings or computer software which has been unsealed by you) up to January 31 2015. Please download our returns form (PDF).
If goods are not in stock and delivery is going to be longer than 30 days Storrar Marine Ltd will contact you to discuss options. Storrar Marine Ltd will not be liable for any loss or damage suffered by you through any reasonable or unavoidable delay in delivery. We charge strictly at cost for delivery, however for orders over £100, delivery is free to UK addresses.* Free delivery will be applied to the cart at the checkout payment stage (if applicable).
If delivery is to the UK mainland, excluding the Scottish Highlands, charges are
<1kg £4.99
>1 <2 £6.99
>2 <10 £7.99
>10 <20 £9.99
>20 <30 £15.99
>30 <40 £39.99
Oversize items £59.99
Flares £18.99
*Free UK delivery is restricted to England, Wales and Lowland Scotland. It does not include Northern Scotland, or Islands or Northern Ireland. Restricted to maximum 30kg and 1.5m in length, it does not apply to bulky products; dinghies, outboards, or hazardous products; liferafts, or pyrotechnics (Flares). Free delivery is for a single complete shipment of an order.
Extra charges apply for next day deliveries and Saturday deliveries, and deliveries to Highlands, Islands and Northern Ireland. If you are fortunate enough to be in the Channel Islands, please use Jersey or Guernsey as the country to get the ex-VAT figures.
Small, but valuable items such as Electronic Charts are charged at the £6.99 rate as we usually send by courier so they can be tracked. Rolled up Admiralty charts are £4.99, but Admiralty folios are packed flat and too large to go by post and are £6.99.
Delivery charges may be changed without notice. Any overcharge of delivery cost will be refunded.
We cannot predict the cost to ship hazardous materials outside of UK. If your purchase includes a gas inflating lifejacket we can send it overseas only by first removing the gas bottle. You will have to find a local source to replace this bottle for the lifejacket to function. We cannot send re-arm kits overseas.
We cannot send other hazardous goods including liferafts, paint and antifouling overseas without first getting a special delivery quotation. After all these hurdles we put up, please do not be alarmed - if you need a liferaft delivered to the Baltic, the Mediterranean, the Caribbean, simply contact us for a quote. You can be confident our delivered price will still be better than local sourcing.
For delivery outside the EC, you must observe and comply with all applicable regulations and legislation, including obtaining all necessary customs, import or other permits to purchase goods from our site. You will be responsible for payment of any import duties and taxes. The importation or exportation of certain types of goods to you may be prohibited by certain national laws. Storrar Marine Ltd make no representation and accept no liability in respect of the export or import of the goods you purchase.
The majority of our deliveries need to be signed for, therefore we would recommend using a delivery address where somebody will be around to do this during normal working hours. ie your office or place of work.
Karver KPW Power Winch