Join Date: Jul 2000
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If you exceed the 'hull speed' of the kayak the kayak may become VERY unstable and instantly become a sea anchor.
Only way I know how to prevent this is to keep the kayak close to the stern and tie the painter 'high' (even up the backstay of the mother ship) to keep the kayak 'planing'.
Of course when going downwind in 'heavy' conditions you can expect the kayak to try to 'pass' you, roll up diagonally across a wave face ........ and become an instant sea anchor.
Best is to carry a lightweight kayak 'on deck'.