Author Topic: Gunter Rig  (Read 4682 times)

David Bone

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Re: Gunter Rig
« Reply #15 on: June 27, 2017, 04:21:55 PM »
High Peaked Gaff Mainsail.

My boat came with the standard Low Peaked Gaff Mainsail & Topsail, which, with minor modifications, have served me well for 7 years but I rather fancied the High Peaked Mainsail, offered as an option with original build.

From Arun Sails, successors to the original makers, I tried without success, to get a dimensioned drawing of the HP sail.
In the end, Mike Seller (WB 95) supplied me with a measured drawing of his original HP sail.
From this as a basis, Goacher Sails of Bowness, made me a good new sail at a reasonable price.

Longer spars were required, so first class spar timber was obtained from Robbins, again at a reasonable price.
(Spruce for the gaff and Douglas Fir for the boom.)
Jaws, in the original style, I fashioned from Ash for the boom and laminated Ash/Iroko for the gaff.

Finally completed this winter, the new arrangement has been put to the test and I am well pleased.
The sail is easy to hoist and lower, the boat feels better balanced, with weather helm reduced.
I am sure she sails better to windward, than with low peaked gaff alone and I am less bothered by gusts than when the topsail was set.
At an area of 115 ft2,( Less than main+topsail but more than main  alone.) and more of the sail near the foot, I feel confident in a moderate wind.
I haven't yet been out in a wind strong enough to require a reef and will be interested to see at what force this is needed.
Following my original sail, reefing points were placed at 700mm & 1,400mm above the foot. I am not sure this is the best placement and think perhaps, 500mm & 1,000mm might be better. Experience will tell and I will amend if necessary.

Two recently added photographs in the 'Gallery'show the boat under sail.




David Bone

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Re: Gunter Rig
« Reply #16 on: June 27, 2017, 04:37:40 PM »
High Peaked Mainsail: