Mactra Marine Equipment - Aries Windvane Steering Gears - Measuring

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Aries Windvane Steering Gear

Measuring for your Aries windvane gear


All transoms are different. To give optimum performance on both sailing tacks it is essential the the vane is positioned on the centre of the transom. In the that 41 years over 11,000 Aries Windvanes have been produced. There is a good chance that Aries have the dimensions needed for your boat but we may need some pictures and general measurements from you. Sugarscoops and swim platforms can be catered for.

Height of the vane gear

The most important detail in the installation is to decide the height of the top pair tubes (we call them upper tubes) above the water. As a guide the gear should be at height so that approximately 100mm of the GRP servo rudder blade projects above the water. This is the optimum but it can be a little higher and considerably lower without ill effect.

Place the vane ear on the grass with the servo rudder mounted and measure the distance from the Main Frame to top of servo rudder.

We try to deliver the servo rudder length so that the Main Frame fit just below the aft deck or on smaller boats above the deck.

Marking

Mark the holes for the upper brackets. The brackets should be 390mm apart centre to centre, check and correct the markings. Now drill the holes. Use a 4mm drill first, otherwise the might move to one side. Then the final drill - 10mm. Now proceed to number 1 from the steps below or download the steps in this Aries Windvane Mounting Instructions (opens in new window) PDF Document, size is approximately 1.05 megabytes.


1.
Put some rubber sealants on the brackets.


2. Tighten the bolts on the brackets so much that the tubes can keep in position. Make the distance 390 mm between the tube ends.


3.
Fix a block somewhere above the transom.


4.
A line from the block is fixed to the gear like on the picture.


5. Two persons.
One holding the line, the other holding the gear.


6. Adjust the line until the gear is level.
(It will not affect the steering if the gear is not exactly 100% level).

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7. Mount the lower tubes on the gear.

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8. Put the tube against the hull. The lower tubes should straddle a bit, we suggest distance between lower tubes to be 400-500 mm at hull. Mark the holes.

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9. Drill the holes the same way as before.


10. Fix the lower mounting brackets to the transom (remember the sealant).


11.
Tighten all bolts on the mounting brackets.


12.
Tighten also the 4 grub screws (alan screws). Then remove the line holding the gear.


13.
Now remove the two forward grub screw.


14.
Drill a site for the screw. Don't worry about drilling too deep, the tube has 6 mm wall. Use 8 mm drill. This is to prevent the gear from being able to slide backwards. Mount the grub screw again, do the same procedure on the aft ones.


15.
Now time for placing the servo rudder.


16.
Hold the rudder out like this and release it.


17.
Press the rudder into place with the boathook.


18.
To remove the servo rudder, press with the boathook.


19a.
You can mount the tiller clamp top pointing forward.


19b.
... or pointing back ...


19c.
... or even under the tiller. The distance from tiller clamp to rudder stock should be 60-100 cm. Try sailing for best result.


21.
More blocks can be used, no problem.


22.
The job is done, time to go sailing.

NB: THE SAFETY LINE ON THE SERVO RUDDER IS ATTACHED TO THE VANE GEAR AT ALL TIMES!

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MACTRA MARINE EQUIPMENT
Unit 13, Worle Industrial Centre, Worle,
Weston-Super-Mare, North Somerset, England BS22 6BX
Tel: +44 (0) 1934 517288 Fax: +44 (0) 1934 520684
E-mail: info@mactrashop.co.uk
Facebook Mactra Marine Equipment on Twitter

Proud member of British Marine - leading the industry World Cruising Club Corporate Member
Please note all prices exclude VAT at 20%
Last update: 17th October 2017
© Mactra Marine Equipment


MACTRA MARINE
Unit 13, Worle Industrial Centre, Worle,
Weston-Super-Mare, North Somerset, England BS22 6BX
Tel: +44 (0) 1934 517288 Fax: +44 (0) 1934 520684
E-mail: info@mactrashop.co.uk
Facebook Mactra Marine Equipment on Twitter
Proud member of British Marine - leading the industry World Cruising Club Corporate Member

Please note all prices exclude VAT at 20%
Last update: 17th October 2017
© Mactra Marine Equipment