Spreaders (Crew Weight of 93kg +)
Length: 385mm
Angle: 134mm N.B. Mast should have 5mm prebend
Above Deckband: 3100mm
Mast
Foot: 3050mm as back as it is legal Shroud from Transom: 2650mm (neutral)
Mast Rake measure from Top Band on Mount to inside Floor Transom.
2012 505 alto rig
| Wind Speed (Knots) | 0-4 | 4-8 | 8-10 | 10-12 | 12-14 | 14-17 | 17-22 | 22-Up |
|---|---|---|---|---|---|---|---|---|
| Mast Rake Metric | 7800 | 7820 | 7760 | 7730 | 7700 | 7675 | 7650 | 7565 |
| Rig Tension Shrouds: Loose Pro-guage | 32 | 30 | 32 | 33 | ||||
| Shroud Tracks | Forward 1 Hole | 2650 | Aft 1 Hole | Aft 2 Holes | ||||
| Kicker | No | A bit | Yes | Loads | ||||
| Reason | – | To stop boom skying when tacking or easing | To control twist | To control twist and bend mast | As much as you can handle | |||
| Cunningham | No | Yes | ||||||
| Jib Fairleads from C/line – C/L car | 400 | 450 | 520 | 530 | 570 | 570-610 | 610 | |
| Strut (from neutral-upright setting) | -6 – 10mm | 0 | +6 – 10mm | 12 – 15mm | 20 – 25mm | 25 – 30mm | ||
| Jib Luff Tension | No creases | See creases | Just a hint of creases | No creases | Tension – a little | |||
| Centreboard Position | 10° fwd in the gybe | 5° fwd in the gybe | Straight down in the gybe | Straight down or raise 1cm | Raise 2-6cm Choppy water raise more | Raise 7-10cm Choppy raise more | Raise 12cm – 16cm | |
| Outhaul | Tight | Ease 10mm | Tight | Very Tight | ||||