These systems are particularly suitable for the mainsheet control.
All sheaves are made of HRM resin with 2 races of ball bearings, for lines up to 12 mm.
They are all fitted with:
• 2 OPF blocks (sheaves Ø = 60/70 mm) to connect to the boom;
• 1 main block (sheave Ø = 75 mm) with “camcleat” and swivel coupling to the main car;
• finally, a double or triple swivelling OPF block, with 60/70 mm diameter sheave is
connected to the main block.
TWO SPEED MAINSHEET TACKLE : 4/8 AND 16/8
The particular configuration adopted permits the use of large diameter sheaves which
improve performance of the system; it also ensures maximum block orientation
capabilities and therefore the possibility to operate on both sides of the boat. Furthermore,
this reduces the necessary sheet length.
The two speeds are controlled by means of two independent lines.
Main sheaves (Ø = 65 mm) are made of HRM resin and fitted with a double ball bearing.
For rope Ø = 12 mm
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