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22<br />
<strong>Mumm</strong> <strong>30</strong> <strong>Tuning</strong> <strong>Guide</strong><br />
ASYMMETRIC SPINNAKER TIPS<br />
BROACHING<br />
CONDITIONS<br />
The <strong>Mumm</strong> <strong>30</strong> is fast, responsive and<br />
accelerates quickly, especially on a<br />
reach. Keeping the boat balanced and<br />
maintaining speed is a delicate mix of<br />
knowing when to push the boat, and<br />
when to back-off to prevent a broach.<br />
When sailing in moderate breeze (12-16<br />
knots), if the boat begins to broach, the<br />
first rule is...don’t panic! Each member<br />
of the crew should stay in their position<br />
and follow-through the steps listed<br />
below to keep the boat on its feet and<br />
maintain speed, without surrendering<br />
precious real estate on the race course<br />
spinning out on a broach.<br />
1. Move crew weight aft and out.<br />
2. Ease mainsheet.<br />
3. Ease vang.<br />
4. Ease asymmetric spinnaker.<br />
5. Ease barberhauler.<br />
6. Sail a lower course.<br />
7. Change to a smaller sail.<br />
ASYMMETRIC<br />
SPINNAKER<br />
NOTES<br />
<strong>30</strong>/20 Asymmetric<br />
With 9 vt. the tested cross-over, this<br />
sail was proven before the fleet grew to<br />
34 boats. At a crowded mark, the<br />
asymmetric sail stays in the bag<br />
allowing the tactician time to position<br />
the boat downwind allowing more<br />
gibing options and choice of fast<br />
lanes.<br />
Cloth Weight: .6 Poly TWS: 16 knots AWS: 11.2 knots<br />
TWA: 135° AWA: 97.3°
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