My boat has no blocks internal to the boom, and a loose footed main. I replaced the wire with all rope, and I use a winch to adjust the outhaul. Even with the winch it's hard to adjust the outhaul in heavy air. Extra purchase with internal blocks would help, but would make easing the outhaul in light air more difficult. Perhaps a compromise - 2:1 purchase would be worth trying. I might try that using external blocks first.
Alan Bergen C&C 35 Mk III Thirsty Rose City YC Portland, OR
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