Join Date: Jul 2003
Location: On the boat cruising
Thanked 103 Times in 98 Posts
Rep Power: 16
Re: Jack Lines
Sheesh, I've got Chef2Sail telling me I don't represent SN boaters in general, and you telling me I don't represent multihull cruisers. Some of us have multihulls for the comfort and space and livability, and not to buzz around at maximum speed in the bay on an nice day. 8-10kts is fast enough on a 6-day passage with 2 aboard. Slower and safer in crappy weather. We will never stuff a bow at 15kts cruising, and I bet you wouldn't either. That was just puffery.
Our cruising boats are reefed from the cockpit. Definitely no big deal, and much safer and easier. Why bring up the off-watch person from a valuable short sleep on a long passage to do something so fundamental and easy?
We don't have jacklines on our hardtop, and see no reason for that. Do monohulls have jacklines on their bimini's? Cabin top has nothing to access - the mast is accessed from the deck, and there is nothing on the boom necessary to access that isn't within inches of the gooseneck. Besides, sitting on the cabin top on a catamaran is relatively safe, and it would take tremendous force to move one there. The boat doesn't heel, doesn't generate high and long force vectors in any direction (lots of high, short vectors), and the cabin top is pretty much the center of rotation and pitch on a catamaran.
Why would I tie a 12' tether to a tree when I only use a 6' one on the boat? Why don't you actually do the math you claim for the conditions you claim? Anyone who has been on a boat will understand that a free drop fall on a 6' tether is not the same as a stumble or slide on a 6' tether - there is friction and counter rotation/inertia/momentum involved in those. You claim physics otherwise, so show your work.
Manta 40 Catamaran "Reach"
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