Search the web
Sign In
New User? Sign Up
proa_file · Proa File International
? Already a member? Sign in to Yahoo!

Yahoo! Groups Tips

Did you know...
Show off your group to the world. Share a photo of your group with us.

Best of Y! Groups

   Check them out and nominate your group.

Messages

  Messages Help
Advanced
Messages 4575 - 4604 of 21719   Oldest  |  < Older  |  Newer >  |  Newest
Messages: Simplify | Expand   (Group by Topic) Author Sort by Date ^
4575
Well, you'll have convinced me to be open minded and at least try out the Pacific proa concept. Can I use any of these surplus parts to get started; Sunfish...
Grona Jr, Robert J.
ppl_rjg
Offline Send Email
Jun 1, 2002
3:53 pm
4576
Ask and ye shall find that someone fully as nutty as yourself already thought of it, and worked out some of the bugs: ...
k_s_oneill
Offline Send Email
Jun 1, 2002
8:17 pm
4577
... Welcome to the fold! You could indeed use your scrap boats to build a Pac proa. And if you are only doing it to see if it works, and get some experience ...
Rob Denney
proaharry
Offline Send Email
Jun 2, 2002
5:28 am
4578
... Oh, I didn't know that it is so old! However, I realise that the idea is well-known. I mentioned Wolf because he was the first I heard about and his boat...
Krzysztof Mnich
mysiryjek
Offline Send Email
Jun 4, 2002
11:01 am
4579
... discussing ... me. ... of shunt, ... knowledgeable ... want to ... I havn't checked in for awhile and I just saw this. I have a dragonfly 15. I am...
meckerberg
Offline Send Email
Jun 4, 2002
7:58 pm
4580
Marks Musings Ply versus strip planking debate. I saw an article on an interesting development of ply construction, it was in the Junk rig journal and...
Mark Thomasson
laburnumho
Offline Send Email
Jun 4, 2002
9:02 pm
4581
Rob, likr the ideas for racing Harry, looking forward to the photos. Your boats are getting a lot more photogenic, gues this one will be even better, shoild...
Mark Thomasson
laburnumho
Offline Send Email
Jun 4, 2002
9:02 pm
4582
... From: "Mark Thomasson" <laburnumho@...> To: "proa" <proa_file@yahoogroups.com> Sent: Tuesday, June 04, 2002 1:39 PM Subject: [proa_file] Ply...
Gary Lepak
gnjlepak
Offline Send Email
Jun 5, 2002
2:07 am
4583
... I have spent many an hour musing on the best way to form rounded corners. Me, too. My favourite idea (I haven't tried it)is to put 5 - 10 cm foam on the...
batsondbelfrey
Offline Send Email
Jun 5, 2002
1:10 pm
4584
- Hi Mark. Multi chine bottom might get close to the efficiency of round. I made-up a simple prototype long ago, and radiused the chines a bit. More chines,...
rolyatad
Offline Send Email
Jun 5, 2002
2:03 pm
4585
Hey Doug, That's quite a site. I'm surprised I haven't come across it before. How well did the variable-geometry steering work? I can see it functioning on up-...
Greg Blanchette
odubiousone
Offline Send Email
Jun 5, 2002
8:09 pm
4586
... How well ... on up- and ... force and the ... your main page! ... round. I ... bit. More ... chine logs, ... under "Formless ... sketching, and ... ...
rolyatad
Offline Send Email
Jun 5, 2002
9:27 pm
4587
-Something made my last message disappear. Oops. That was a 1977 haircut. I'm old and fat, now. As I recall, the proa wanted to go upwind with the ama...
rolyatad
Offline Send Email
Jun 5, 2002
9:38 pm
4588
... G'day Doug, I see that your original hull was symmetrical about its longitudinal centreline and I wondered had you considered the "tortured plywood" method...
Peter Raymond
pramsec
Offline Send Email
Jun 6, 2002
1:34 am
4589
Hi, ... I always liked this method. My proa was built of even more tortured ;-) plywood. It was something like a traditional technology of Indian canoes. I...
Krzysztof Mnich
mysiryjek
Offline Send Email
Jun 6, 2002
9:43 am
4590
Oops, sorry, I sent unfinishef message... ... I always liked this method. My proa was built of even more tortured ;-) plywood. It was something like a...
Krzysztof Mnich
mysiryjek
Offline Send Email
Jun 6, 2002
9:54 am
4591
Hello, ... I like the idea of aerodynamically controled rigs, too. I made some experiments with scaled models, and they were successful. Notice that my...
Krzysztof Mnich
mysiryjek
Offline Send Email
Jun 6, 2002
10:40 am
4592
... does not lose all that much in surface area, though the sharp edges are probably the worse culprit in poor performance over a perfect half circle. The...
terhohalme
Offline Send Email
Jun 6, 2002
2:36 pm
4593
I had an idea a while ago for building a tortured hull that had built in assymetry. I don't really have a use for such a hull, but it occured to me that if a ...
thomas dalzell
proaconstrictor
Offline Send Email
Jun 6, 2002
4:24 pm
4594
... hull of ... resistance ... are ... I am not very familiar with the inside workings of Michelet. The program will not run on a mac, even in emulation...
kiteship
Offline Send Email
Jun 6, 2002
6:25 pm
4595
... simply ... great ... traction ... Thanks for the kudos. This is an interesting question who's answer may surprise you. The very first kiteboat I...
kiteship
Offline Send Email
Jun 6, 2002
8:09 pm
4596
... I ... sketching, ... surface ... This is exactly how I built my proa last year. It's 21' loa, 12" max beam at the wl, out of selected 1/8" doorskin ply...
k_s_oneill
Offline Send Email
Jun 7, 2002
3:36 am
4597
Fulgencio, The drawing http://groups.yahoo.com/group/proa_file/files/Mal%20Smith/wingsail.jpg shows a self trimming wing rig I designed, It uses a trim tab to ...
Malcolm Smith
mal_smith_au
Offline Send Email
Jun 7, 2002
11:57 am
4598
... Very elegant solution. It works as a kind of 'active stability'. The aerodynamical parameters of the two parts together seem to be much better than for a...
Krzysztof Mnich
mysiryjek
Offline Send Email
Jun 7, 2002
12:43 pm
4599
It was just a lot more trouble and time to build than I thought <BR> it would be.<BR> I used inferior epoxy on my first stressed hull, it looked great, and it...
thomas dalzell
proaconstrictor
Offline Send Email
Jun 8, 2002
5:53 am
4600
... <snip> . The first hull took ... Interesting insight Thomas, There was a publication on the 'Liberty' ships built during WWII where the first ship in many...
Peter Raymond
pramsec
Offline Send Email
Jun 9, 2002
1:29 am
4601
Krzys, I have not tested this design as shown with the trim tab controlling the forward element. I have however tested a soft sail ballestron rig (model)...
Malcolm Smith
mal_smith_au
Offline Send Email
Jun 9, 2002
9:45 am
4602
&quot;seek &amp; find&quot; and &quot;thinking time&quot;?&nbsp;&nbsp; I'm sure it will help everybody.<BR> The amount of time spent on those catagories is...
thomas dalzell
proaconstrictor
Offline Send Email
Jun 10, 2002
5:17 am
4603
... wrote: <HR> <html><body> <tt> ... &lt;ycarle2002@y...&gt; wrote:<BR> &gt; Has anyone got more <BR> &gt; information on the above subject?&nbsp; e.g.&nbsp;...
yves carle
ycarle2002
Offline Send Email
Jun 10, 2002
11:29 am
4604
Hello I've finished the article for http://www.sail-ho.pl I wish I could put many interesting images there, but there is not enough space for all of them. I...
Krzysztof Mnich
mysiryjek
Offline Send Email
Jun 11, 2002
11:16 am
Messages 4575 - 4604 of 21719   Oldest  |  < Older  |  Newer >  |  Newest
Advanced
Add to My Yahoo!      XML What's This?

Copyright © 2007 Yahoo! Inc. All rights reserved.
Privacy Policy - Terms of Service - Guidelines - Help