OK by me Peter ... From: daveculp@... To: proa_file@yahoogroups.com Sent: Monday, April 01, 2002 8:04 AM Subject: RE: RE: [proa_file] RE: Polish...
Brian Southwood
briansou@...
Apr 1, 2002 2:24 pm
4356
... First some (very) rough calculations based on very ordinary parameters: sail LD 5:1 gives aero drag angle of ~11deg when vertical, canted 45deg aero drag ...
Gary Carlos
gary.carlos@...
Apr 2, 2002 1:44 am
4357
... Too little information--or too broad a generalization. The boat sails "at 45 deg to true wind:" At what boat speed? What is the hydro drag angle? What is...
Hello everybody, thanks for the interestment, and especially thanks to Michael Schacht, who invited me here. Dave, do you remember? I wrote to you in Spring....
Krzysztof Mnich
Krzysztof.Mnich@...
Apr 2, 2002 12:03 pm
4360
Hi everybody. I am Chris Luomanen, an old member that has been out of touch for a while. I thought I would share some pictures (but I filled my file with just ...
Most of the emails I have been reading seem to be from "purists" discussing kite rigs, etc. which is very interesting, but too technical for me. For those of...
I found a boat at this link : http://www.sailrocket.fsnet.co.uk/ Which seems to be very related to the paraglider/Bernard Smith canted rig discussion. The...
... Snip ... I actually did that with a 5'long (8' wingspan) fliptacker model on a too windy day and some 8" waves. The craft would start to move forward and ...
... just ... since ... Nice project! Re pic size, that was huge, 450kb or so. I copied it and cut the metadata and shrunk it a bit, so it's 'only' 150kb or so...
... Hobie ... lever ... the ... I try for 360 degrees--that way I don't get caught aback. The leward struts do try to keep the rig up, but since I re-tension...
Hello Is anyone else having trouble connecting to Michael's website http://www.schachtdesign.com/proafile ? Is it temporarily down or was it disbanded? There...
Hi all, I am moving www.schachtdesign.com (and the proa file) to a new server, and of course have the attendant DNS problems. Hope to have the glitches figured...
Hi Krzysztof, Welcome to the list! Glad you found it. As you can see, there are several people here with an interest in canting rigs, kites, etc. Michael...
Hi, of course I have read Marchaj's book (I even met Czeslaw Marchaj last year) and know about his works of Crab Clow as a delta wing. According to his...
Krzysztof Mnich
Krzysztof.Mnich@...
Apr 4, 2002 9:31 am
4370
"I try for 360 degrees--that way I don't get caught aback. The leward ... I like your design. It looks like fun. If it wasn't for the severe shortage of...
Hello, I have an over the top crabclaw rig on a West Wight Potter 15. Do you mean that up wind the tack should high and down wind it should be brought to the...
... I donąt think the air is flowing backwards over the sail if you are on a broad reach. The motion of the boat would move the apparent wind forward so it...
... Use light telltales with fluffy ends near the trailing edge. If any of 'em go above horizontal, you have vortex lift (I think). If not, you may not be ...
... Yes, I was being a bit vauge, with some broad assumptions not listed, namely horizontal force not reduced but maintained by increasing total sail area so ...
Gary Carlos
gary.carlos@...
Apr 5, 2002 12:59 am
4375
... Some time ago on this list we discussed the possibility of using heel sensing devices connected to the sheeting system to control heel angle. I then...
Hello, This email message is a notification to let you know that a file has been uploaded to the Files area of the proa_file group. File : /cheers /la...
proa_file@yahoogroups...
Apr 8, 2002 10:21 am
4377
Hello, This email message is a notification to let you know that a file has been uploaded to the Files area of the proa_file group. File : /cheers /le...
proa_file@yahoogroups...
Apr 8, 2002 10:22 am
4378
Harmen has produced some specifications and explanations which I have added to the Toroa website. http://homepages.paradise.net.nz/garyd/toroa.html Gary...
Gary Dierking
garyd@...
Apr 11, 2002 8:37 am
4379
... Thanks Gary/Harmen, most of my questions have been answered, and I think, somewhere in the future the other answers will be known. I think it's a good omen...
Hi, My name is Dave Riley. I live by the shores of Moreton Bay in Brisbane Queensland Australia. With no sailing background (long distance surf skiing - yes)I...
Well, I am no expert but I'll put in my two cents (3 cents Australian! What a bargain!). Length: is the whole purpose of a proa. For the same amount of...
... Thanks Marcus. It does indeed. I will consider the advice you offer with much intensity. I have been sculpting a model of a proa and using a Barbie doll as...
To give my answers to the questions below. First the boat is a 16ft proa with a 50sqft sailboard sail rigged as a crabclaw, although it was designed for a...
