http://groups.yahoo.com/group/nativeflutewoodworking/ Native Flute Woodworking - Native Flute Sun, 26 May 2013 05:09:29 GMT cpcygan http://groups.yahoo.com/group/nativeflutewoodworking/message/55428 http://groups.yahoo.com/group/nativeflutewoodworking/message/55428 I have made a 3/4" E that sounds and plays effortlessly. Back pressure is not an issue at all. If you like I can send the specific measurements (I'm not at Sun, 26 May 2013 04:48:41 GMT Joe Mulrooney http://groups.yahoo.com/group/nativeflutewoodworking/message/55427 http://groups.yahoo.com/group/nativeflutewoodworking/message/55427 i would love the measurements also Love you. Take care. Put Yeshua first in all you do. ________________________________ From: kingwindjammer Sun, 26 May 2013 02:54:29 GMT Mike http://groups.yahoo.com/group/nativeflutewoodworking/message/55426 http://groups.yahoo.com/group/nativeflutewoodworking/message/55426 By the way, if you like equations and charts, I have a short article in the Files section on back pressure: Files/moosewinds_mike files/Back Pressure.pdf Mike Sun, 26 May 2013 02:49:03 GMT Mike http://groups.yahoo.com/group/nativeflutewoodworking/message/55425 http://groups.yahoo.com/group/nativeflutewoodworking/message/55425 Jim, I'm a little confused about the requirement for your asthmatic friend. I have no experience with asthma, but I gather that it results in shallow Sun, 26 May 2013 01:44:52 GMT Brent Adams http://groups.yahoo.com/group/nativeflutewoodworking/message/55424 http://groups.yahoo.com/group/nativeflutewoodworking/message/55424 There are also many that really don't have one. Just a hole straight from the breath hole..constant diameter, the exit hole drilled at an angle to meet it. I Sun, 26 May 2013 01:10:31 GMT jaimemaroon43 http://groups.yahoo.com/group/nativeflutewoodworking/message/55423 http://groups.yahoo.com/group/nativeflutewoodworking/message/55423 I have seen compression chambers of just about everything from 3-7 inches. Is there a rule of length of chamber/ key note? Jim B. Sat, 25 May 2013 22:20:52 GMT Bradd Yahoo http://groups.yahoo.com/group/nativeflutewoodworking/message/55422 http://groups.yahoo.com/group/nativeflutewoodworking/message/55422 Flutes take a lot of air pressure because the measurements have been exaggerated...one too many file swipes, 1/32 too deep a channel, stupid ramp in the SAC Sat, 25 May 2013 19:37:27 GMT kingwindjammer http://groups.yahoo.com/group/nativeflutewoodworking/message/55421 http://groups.yahoo.com/group/nativeflutewoodworking/message/55421 I would love measurements. I don't have a lot of air to spare too! :0) Sat, 25 May 2013 18:57:58 GMT John Hnath http://groups.yahoo.com/group/nativeflutewoodworking/message/55420 http://groups.yahoo.com/group/nativeflutewoodworking/message/55420 I do not know the answer, however I have a branch flute made from white pine with a 5/8 x 3/4 inch bore key of A that takes about half the breath of all my Sat, 25 May 2013 11:11:08 GMT Anthony Beaudry http://groups.yahoo.com/group/nativeflutewoodworking/message/55419 http://groups.yahoo.com/group/nativeflutewoodworking/message/55419 Jim,   Just a thought - I made a couple flutes with mouthpieces-like ends that were truned to be round and more pointed, forcing me to make a smaller hole Sat, 25 May 2013 02:29:48 GMT Mike Jones http://groups.yahoo.com/group/nativeflutewoodworking/message/55418 http://groups.yahoo.com/group/nativeflutewoodworking/message/55418 Longer thinner bores will probably cause you other issues (like overblow).Trust me, when you play a flute you are not filling the bore and pushing a bunch of Sat, 25 May 2013 01:47:59 GMT Kerrye Raven http://groups.yahoo.com/group/nativeflutewoodworking/message/55417 http://groups.yahoo.com/group/nativeflutewoodworking/message/55417 Washta, Wow, this is a sensitive subject. I'm about half native, but I still deeply respect and honor tribal traditions and belief even though our world is ran Fri, 24 May 2013 19:52:53 GMT Jim http://groups.yahoo.com/group/nativeflutewoodworking/message/55416 http://groups.yahoo.com/group/nativeflutewoodworking/message/55416 Greetings; this question also was posted on the basic making list. I wish to make a flute for a friend suffering from asthma, making it difficult or impossible Fri, 24 May 2013 00:31:10 GMT Wayne Greenway http://groups.yahoo.com/group/nativeflutewoodworking/message/55415 http://groups.yahoo.com/group/nativeflutewoodworking/message/55415 Thank you all for the respectful enlightening dialog. I continue to learn much from this group. Wayne Sent from my iPhone ... [Non-text portions of this Thu, 23 May 2013 23:43:29 GMT Winans http://groups.yahoo.com/group/nativeflutewoodworking/message/55414 http://groups.yahoo.com/group/nativeflutewoodworking/message/55414 Please remove me from your email list. Thank you ... [Non-text portions of this message have been removed]