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Its that time of year. The Mark V will probably be hauled on Sunday. Our group at the OGYC manage our own storage in a town-owned parking lot. My jackstands (poppets) were for my C&C24 which drew 4 feet. They are rated for a max. height of 56 inches-the stand is 36 and the threaded rods extend about 20. Will they work ( and do I need 6 plus the bow stand)?
I am interested in your experience.copasetic
My yard uses 4 plus the one at the bow for my markV. Works fine. I think 56 inches will be too short, but that's a guess.
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Last edited by (2007-10-15 11:59:15)
size=3>I realize your question here is specifically directed at getting insight from other MK V owners regarding your C&C 24 jack stands working for your MK V, but there are many who use jack stands and this may be a good time and place to open the broader subject. There are as many differing opinions on this subject as there are marinas, boats and boat owners.n: yes"> </SPAN>And many people have done things differently than recommended below for years with no adverse effect.n: yes"> </SPAN>Your stands may work fine but I’m offering the following as advice from a highly respected and authoritative source, the insurers of the marinas and owners who end up paying claims every year from boats not blocked properly.n: yes"> </SPAN>Their investigations of the claims have provided insight as to best practices when it comes to preventing future accidents.n: yes"> </SPAN>In the most recent issue of Seaworthy magazine, The BOAT/U.S. Marine Insurance and Damage Avoidance Report (October 2007), there is a great article titled "Blocking Ashore." The Right Way and the Wrong Way. n: yes"> </SPAN>If you don’t subscribe to this magazine, you can order a free single issue online at <A href="http://www.boatus.com/seaworthy"> size=3>www.boatus.com/seaworthy</A> size=3>.n: yes"> </SPAN>In a nut shell, their recommendations for jack stands are:
size=3>Use pairs, port and starboard, for every 10 feet of a boats length (6 recommended for the 27) plus a bow support.n: yes"> </SPAN>(I realize many cradles have 4 supports plus the bow but jack stands are not cradles.)
size=3>Place the stands so the adjusting screw is as perpendicular to the hull as possible and they should be positioned outboard as far as possible.
size=3>Safety chains on all stands, tightly chaining pairs together from port to starboard.n: yes"> </SPAN>Rope is not suitable as it stretches.
size=3>Never tie the cover/tarp to the jack stands as strong winds can catch the cover and move the stand.
size=3>Plywood should be placed under the jack stand, even on asphalt & brick hard yard surfaces.n: yes"> </SPAN>If the stand sinks, even a fraction of an inch, it can begin the “wiggling effect.”
size=3>Never add blocking between the pad and the boat as it can slip out and never block beneath the jack stand in an effort to raise the stand as it can move and fail.
size=3>Check the blocking periodically.n: yes"> </SPAN>Check to see that the pads are not depressing the hull.
size=3>Hope this helps.Scott Schoeler, MKIII, "Scot-Free"
Scott Schoeler, Hull 858, "Scot-Free"
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thanks for the comments-I have taken the liberty of forwarding the general recommendations to our yacht club web manager, as i have seen some boats with the "asking for trouble" set-ups in the yard. For my mark v, the four foot stands extended with about a foot of the threaded shaft are fine. The 3 foot stands would not have worked.
copasetic-planning for some modifcations to the rigging(traveler) and cabintop (rebed/replace windows) before next season's sailing
Follow up - was back at the yard and the guys added a 3rd pair - now using 6 plus the bow. They did the same thing last year - started with 2 pair and added a third. -Gerry
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