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New (cambered) sail for Footprints

  • 02 Mar 2012 12:42
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    Reply # 841691 on 829776
    Deleted user
    Mr Murphy means well, he only wants to teach lessons. Though they are sometimes expensive.
  • 02 Mar 2012 05:24
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    Reply # 841521 on 829776
    Anonymous member
    Seventh day of work on Footprints' and Tystie's sails:
    Professor Murphy was having his little joke this morning, and caused the batten pockets to be made too long, and the sewing machine's foot pedal to go faulty.
    But we recovered our poise and equanimity, and now we have five panels of Footprints' sail joined together, with batten pockets in place.
  • 29 Feb 2012 05:35
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    Reply # 838994 on 829776
    Anonymous member
    This afternoon, we were cutting and preparing the first of the batten pockets, with a fender made from 8mm x 20mm closed cell foam, under 50mm webbing, on the forward half of the pocket. That worked out well.
    Then we made the seam between panel one and panel two, building in the pockets in the new way I've devised to be more suitable for rectangular section battens, yet still to be sewn without passing a roll of cloth through the machine. That worked out well, too.
  • 28 Feb 2012 04:11
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    Reply # 837745 on 829776
    Anonymous member
    David's second day of sewing today, and he's going like a good 'un, with long, fast, straight seams. Tomorrow I might even allow him to thread the needle :-)
  • 22 Feb 2012 02:06
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    Reply # 831961 on 829776
    Deleted user
    Well the sail cloth is now sitting in a carton on the floor of my lounge so the boat ain't going to go very fast with that hoisted up the mast. Big week of sail making with David Tyler next week but I can see the pressure is already on to have the new sail fully functioning by the 23rd of next month. I have never actually thought of Footprints as a 'Pocket Rocket' but it's nice to play with the idea for just a little while.
  • 22 Feb 2012 01:23
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    Reply # 831917 on 831008
    Anonymous member
    David Thatcher wrote:I like that 'Pocket Rocket' description 

    Ahem.  Excuse me, but the 26ft Fantail has already claimed that title :-)  She told me I'd better point it out, 'cos she intends to show that Footprint her paces when they meet up.  (Fantail knows that I really, really coveted Footprint and finds it hard to forgive; but as is so often the case, my reach somewhat exceeded my financial grasp.)
  • 21 Feb 2012 09:18
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    Reply # 831168 on 830684
    Deleted user
    David Tyler wrote:Peter,
    My grey matter is not what it used to be. You expect me to remember a number from -what was it, 8 or 9 years ago? 
    How near are you to rigging the sail? Then you'll be able to check for yourself.
    David, 
    My grey matter has been suspect for some time as you know but if the question is not asked you will never find out if the answer is known. I hope to step the mast in March when the new boom should also be ready. In process of getting shopping list of ropes and blocks together. The excitement is building.
  • 21 Feb 2012 05:51
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    Reply # 831008 on 829776
    Deleted user
    I like that 'Pocket Rocket' description - Go Footprints. Footprints does seem to track upwind pretty well when the breeze comes up even with the current sail. I have noticed the flat fwd section of the hull pounding a little sometimes - but then I have noticed the same thing in some very expensive European yachts I have delivered. Off the wind Footprints can track along very well with the fastest speed under sail, not surfing, being 10.5 knots. I think this is largely due to her flat bottom. If I can achieve that extra knot or so to windward in the conditions where the current sail does not perform well, and especially equal boat speed on both tacks, and achieve some weight savings over the current sail I shall be happy and feel that I have a good cruising rig. We shall see how it all pans out.
  • 21 Feb 2012 02:17
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    Reply # 830831 on 829776
    Anonymous member
    Drawings for the sail are now in the Box online file storage, drawings/Footprints new sail 2012.

    You will see that the 92cm cloth is to be laid, as is usual, parallel to the leech. This allows the camber to be put in by broad-seaming the forward four seams, outside of the quadrilateral shape, on the five lower panels. There will be no need for broad-seaming on the minimally cambered upper panels.
    Last modified: 21 Feb 2012 02:28 | Anonymous member
  • 21 Feb 2012 00:44
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    Reply # 830704 on 829776
    Anonymous member
    David Tyler wrote:Can we get it finished for the NZ rally? Watch this space...

    I've no doubt you can, there are two of you, you have a lot of experience and it's only one sail. In fact I'd be astonished if you could not do it.

    Should turn Footprints into the proverbial "pocket rocket" and she will no doubt be able to give Tystie a good run for the money. At least in smooth water. With a chop or a sea running, her shape may be against her (and she is a smaller boat but not much in the water ....) and Tystie will probably be able to see her off.
       " ...there is nothing - absolutely nothing - half so much worth doing as simply messing about in junk-rigged boats" 
                                                               - the Chinese Water Rat

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