... From: Paul J. Thompson <la-chica@...> To: <junkrig@yahoogroups.com> Sent: Sunday, June 01, 2003 5:13 AM Subject: [junkrig] RE: [junk rig] Combining...
there are at least two more: 1) sliding battens and 2) the option to bend battens temporary the way we did it as young boys with our self made kites: a fixed...
Hi Bernard, In your comment below, are you saying that you would give up the fanned battens or that you would use Reddish's construction method? Do you still...
It occurs to me that the camber returns to 0 at each batten. We have, I assume, been using the maximum camber of each panel. Should we be using the average...
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junkrig@yahoogroups.com
Jun 1, 2003 7:05 pm
Hello, This email message is a notification to let you know that a file has been uploaded to the Files area of the junkrig group. File : /FOILQUIL.JPG ...
Hi Stephen, Fanned battens and the Reddish construction method are two different things. I would certainly use the Reddish (or rather chinese) method, to get...
Joddy Chapman tested models with both quilted panels and jointed battens in his research for JRA. His thesis resides at the JRA. I haven't read it, and...
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junkrig@yahoogroups.com
Jun 2, 2003 10:24 am
Hello, This email message is a notification to let you know that a file has been uploaded to the Files area of the junkrig group. File :...
I made a new version of the camping junk. Although I like the Pelican very much, I rather prefer a longer and narrower easily driven hull shape. It is loosely...
Does anyone have a suggestion of a way to improve acceleration of a junk rig? I was out at the weekend on the river Crouch and found that downwind I could ...
sorry, Don. The link is www.marycampbell.org/boat Let me know if you have any problems this time. -mary On Sat, 31 May 2003 16:07:48 -0000 "Don Taylor"...
John, you should tell us more about your rig and hull, and also the same about the boat you were sailing against. Tim Dunn Where the river was wider, I was...
The thing that immediately comes to mind is that the ultimate speed is in general governed by the ratio of sail area to wetted surface, but what matters for...
You are not wrong, I do have the heavier boat, The boat I was sailing with was a Ply sailing canoe weing about 50/55 pounds and the sailor was lighter than me...
Does your sail have any camber, or is it flat? ... From: John Tompkins To: junkrig@yahoogroups.com Sent: Monday, June 02, 2003 9:28 AM Subject: [junkrig] Re:...
Hi group, I"ve just joined this group after visiting my much neglected Cal -20. I haven't tended my boat for an embarrasingly long time, I"d taken down the...
... Do you think that Southern California has fewer non-Bermudan rigs than anywhere else? Here in San Diego, people are always looking at by balanced-lug...
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Tim Anderson
tim@...
Jun 3, 2003 7:22 am
I live and sail in So Cal and have seen several junks, there is a nice steel junk on fairly traditional lines in Newport Bay close to the Rhine Canal. So Cal...
... No camber, I have always preferred flat because I dont think of the originals as having camber but I do realise that the old Junks probably didnt look for...
Hi, John I don't know if camber makes for faster acceleration, but you should be able to point higher if you had some camber, which would certainly get you...
Hi Bernard, How much spooning would you recommend? I have gathered that 4.5% is about right for the leach But what should it be on the luff? I've got the ...
Hi Paul, My wind tunnel tests gave the best results for 4-4.5% (of chord) for a leech spoon. From the pictures of traditional junks I get the impression the...
Tim, Great pictures of Batwing. I'm green with envy. Perry Perry Phillips C-Type WWP #44 "Bobber" Port Arthur, Texas http://home.gt.rr.com/bobberslog/ ...
... photo at Ron and Diane Shmidts' website: http://www.geocities.com/batwingsy/we_were_sailing_one_saturday_in_.ht ml gives a clear view of the amount of...
Hi, Perry Just to make sure there is no misunderstanding, I didn't take the photos, and I no longer own Batwing. In fact, when I owned Batwing she had white...
Hi, Don I am not saying that those sails have twist induced camber. I am commenting on the effect of the Hasler six-part purchase sheeting on sail twist,...
Horizontal, parallel battens do not prohibit twist induced camber. The amount of twist induced camber depends on the amount of twist per panel. The more...
