Vanaheim Technologies Ltd -- Custom Component Manufacturing - CNC Machining - Custom Fabrication - Yacht & Boat Repairs


Finn Mast Heel Bearing Cup

We have designed an alternative method the construct the mast heel bearing fitting. This fitting saves weight, is easier to install in new or old boats, sits perfectly no matter what the mast rake and is easily adjustable. The fittings consists of a carbon fibre slide, a mast heel bearing cup, an 8mm rigging screw, a mounting bracket and a 2mm alloy wear spacer (not shown). The cup features a curved base that enables the mast heel bearings to be at the correct (and non binding) angle. Manufactured from 6061 alluminium with a total weight of 350 grams. All four components total weight is only 500 grams (including carbon slide and bolts).

Heel Bearing Cup Set

Cup internal boss diameter 64mm depth 40mm.

Carbon fibre slide width internal 80mm, height 35mm length 250mm (inludes 2mm alluminium wear plate).

8mm joining bolts plus 6mm bracket mounting bolts included.

Price NZ$350.00 (exluding GST)

Cup Only NZ$250.00

Typical set up.

Slide fits onto a carbon fibre pad with vertical upstand from keel.

Remembering that the distance from the bottom of the keelband to the bottom face of the cup has to meet the rules (56mm).

Set pad, slide, wear spacer and cup up to meet the rules. Minor adjustments could be made by increasing the wear thickness plate or machining a spacer to fit inside the cup.

Finished set up.

Simple, Light and Easy

New

Suitable for all Mk2 and Mk 3 Marten Finns.

Direct replacement bottom mast heel bearing kit. At least 1/2 kilo lighter, fully adjustable, just glue in and go.

Price NZ$350.00 (exluding GST)

Mast Heel Bearing Cups can be made to custom diameters and lengths or alternative material and configurations, price on application.

Contact us directly using the details at the top.

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Web Designer -- Gerrit Bearda gerrit@vanaheim.co.nz