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| mast rake http://www.hobie.com/au/en/forums/viewtopic.php?f=17&t=2492 |
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| Author: | italianhobie [ Sat Oct 01, 2005 2:59 pm ] |
| Post subject: | mast rake |
is a good thing to mast rake my h14 ? i always sail with other person and i notice that the aft of my cat drag a lot of water and seems to be slower.... it's normal? any advice? thanx a lot max |
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| Author: | mmiller [ Sat Oct 01, 2005 7:25 pm ] |
| Post subject: | Mast rake |
Mast rake and the sterns dragging do not have to be related. You should move forward on reaches and downwind and a little when going upwind in lighter air. Sitting at the aft crossbar will certainly sink the sterns. |
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| Author: | italianhobie [ Sun Oct 02, 2005 12:29 am ] |
| Post subject: | i'm sure |
that the weight is critical,but when u rake the mast u don't move the center of effort aft on the cat?this is why it have minus tendancy to pithcpole or not? maybe the mast rake is not good for the h14 with a crew of 2 because the sail have minus power.... anyway since i have rake the mast the cat seems to me more difficult to sail,and the aft part of the downwind hull really drag a lot of water..... thanx a lot and sorry my english... max |
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| Author: | JaimeZX [ Sun Oct 02, 2005 2:59 pm ] |
| Post subject: | |
Well the 14 doesn't do well with a crew of 2 in any event (unless it's 2 kids or something) but with the mast raked you are indeed moving the center of effort aft, putting less pressure on the bows (and therefore reducing the tendancy to pitchpole.) If you think now the transoms are dragging too much, I guess you could reduce the rake some; find what's best for you. Before you move the mast forward, though, make sure you're sitting far enough forward on the trampoline. I'm not an expert on the H14 or anything, but when you look at pictures of people on them they sit way forward on the tramp, not in the back. Good luck with that! |
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| Author: | Dan Berger [ Mon Oct 03, 2005 6:10 am ] |
| Post subject: | |
Mast rake on a 14 is a good thing. You want the rig raked so far back that the blocks will be block-to-block. With that said, the boat will be much faster and will not tend to pitch pole as much. It is more difficult to tack, but you can point much higher. You will have to move farther forward than you might be used to or comfortable with. Two people on a 14 makes for a diffucult time. There isn't a lot of room on the tramp and the boats are very weight sensative. You would be best to sail right next to each other so the weight is centralized. |
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| Author: | KiwiCat [ Tue Oct 18, 2005 6:13 pm ] |
| Post subject: | Mast Rake set up |
Mast rake is as follows: Hang a 2 kilo (5 pound) weight off the mainsail halyard. Level the cat fore and aft. Measure the distance from the mast cut-out to the halyard. For a large sailor this distance should be a minimum of 119 cm (47 inches), for a light sailor this should be no more than 139cm (55 inches). When adjusting the shrouds to accommodate the rake the following rule of thumb applies: if trapezing grab the shroud and you should twist it to approximately 45 degrees, if unarig then this twist should be around 120 degrees |
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| Author: | mnussbaum [ Sat Feb 25, 2006 10:18 pm ] |
| Post subject: | |
I am 14 and my dad bought me a hobie 14. this is a new term for me. So what is mast rake |
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| Author: | JaimeZX [ Sun Feb 26, 2006 10:52 am ] |
| Post subject: | |
Zero rake would be with the mast absolutely vertical; usually rake implies the mast angling back over the trampoline.
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| Author: | mnussbaum [ Sun Feb 26, 2006 10:55 am ] |
| Post subject: | |
thanks jim |
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