Sailforce Pty Ltd

A complete range with 5 different models is supplied in single, double and triple versions.

Line retrieval can be achieved with the lever closed, the line stops automatically in the new position with no slippage.
The line can be released under load without the use of a winch because the Antal mechanism guarantees easy opening even under heavy conditions.

Max loads of the lower table for each model and for different line diameters have been obtained from extensive tests.
Load values higher than the max load may damage the line cover, not the clutch.

All Antal clutches, except the small CAM611, are fitted with the ingenious “V-Grip” system: a “V” shaped cam that improves the holding strength, increases the bearing surface on the line and consequently gives higher working loads without cover damages.

*These models are fitted with the V-GRIP system that is internationally patented.

• Winch Power And Maximum Force

To calculate the maximum force (F), first use the tables to find winch power (P). Assuming the efficiency is 70% and the maximum force exerted on the handle is 30 kg, the maximum force obtainable will be:
F = 20xP (kg) i.e. twenty times the winch power.

For example, for a model with a winch power 50, the maximum force would be F = 20x50 = 1000 Kg

• Recovery Speed

The recovery speed (S) is the length of line recovered with one turn of the handle. It is the converse of the winch power (P), and can be calculated using the formula:
S = 1600/P (mm)

For example, a model with winch power 50 would have a recovery speed of S = 1600/50 = 32 mm for each 360° turn of the handle.

• Winch Mounting

Line drum lead angle: it is correct to provide an angle of between 2 and 10 degrees. It is advisable for the output gear of 2 speed models to be positioned with respect to pull direction F, as shown in the figure (90°)

• Spring-Loaded Self-Tailing

The new self-tailing winches with spring-loaded disks adapt automatically to even the thinnest lines. It is recommended the line being used have at least three wraps around the drum, otherwise excessive load on the selftailing plates could cause the line to slip

• I am a keen club racer, recently my results are not consistent. I do not know why but sometimes I just cannot get the boat pointing as high.

"Probably your rig set up needs a fresh look.

When was the last time you check your mast, alignment, is your shroud tension right, is your keel in line and fair.

As you know there are quite a few parameters that can affect your pointing abilities. What we will propose you is for a reasonable fee is, once go over the all boat including keel and rudder and then once a fortnight make sure your rig is well set and well as the rest of your racing gear in top condition.

From one week-end to the other we will discuss your performance and improve for the next regatta."

• I am new to sailing, can you help me rig my boat so it can be more "user friendly" ?

"We will certainly, prepare your boat for you, using all our knowledge and craftsmanship to make your sailing more pleasant."

• My wife and I have decided to do some offshore cruising. Is our boat safe enough.

"We will arrange survey your boat and give you a written report on the condition of the vessel and will comment on the safety issue. If applicable, we may recommend you some alteration and improvements."

• I am racing in a very competitive fleet, I need to get the best out of my rating.

"With your current rating certificate, we will look for penalties that your carrying and work at them to your advantage."

• My project is to built a 50 feet cruising catamaran, I have only sailed beach cat in the past.

"We will listen to your goals and address them in a way that we will be able to follow them throughout the realisation of your project. We will position ourselves between you and the suppliers so you only get and pet for what you need." 

We are looking for training of our crew. Can you help us ?

" Yes we can. We can go out sailing with you and give advise how to improve the handling of the boat and tactics with the crew."

I want to buy a sailing boat for racing on the river and the shore. Looking for buyer advice.

" With our expertise we can give you advise of the best boat to buy, looking at budget and actual use of your boat."