DIYAPASON-L Digest #151E - Tuesday, September 26, 2000
 
Kadak - Direct Action (tm) Pallet Valve Action
  by "John Haskey" <johnh@powerinter.net>
Re: [Residence Organs]  Kadak - Direct Action (tm) Pallet Valve Action
  by "VEAGUE" <dutchorgan@svs.net>
Pyramidon (was Re: MTS organ Project)
  by <Ed_Stauff@avid.com>
Re: [Residence Organs]  Pyramidon (was Re: MTS organ Project)
  by "Eric Sagmuller" <ess4@psu.edu>
Re: [Residence Organs]  Pyramidon (was Re: MTS organ Project)
  by "Bob Loesch" <rrloesch@jps.net>
RE: [Residence Organs]  Pyramidon (was Re: MTS organ Project)
  by <mblackwell@wallace.com>
lenght vs volume
  by "Mac Hayes" <mach37@ptw.com>
Re: [Residence Organs]  lenght vs volume
  by "Jon" <sparky@chesco.com>
volume vs. length
  by "Mac Hayes" <mach37@ptw.com>
 

(back) Subject: Kadak - Direct Action (tm) Pallet Valve Action From: "John Haskey" <johnh@powerinter.net> Date: Mon, 25 Sep 2000 22:44:30 -0700   Hi, Does anyone have experience (good or bad) with Kadak magnets? I'm at the stage where I need to think about purchasing a bunch of them and am wondering which brand is 'the best' for the 'lowest price' realizing that 'you get what you pay for'. Reisner? Peterson 'Super Valves'?   ---john.   ps. Kadak has a website at www.kadak-inc.com that describes their product.  
(back) Subject: Re: [Residence Organs] Kadak - Direct Action (tm) Pallet Valve Action From: "VEAGUE" <dutchorgan@svs.net> Date: Tue, 26 Sep 2000 07:58:16 -0500   These look like some valves I have on a top board downstairs. I'll check = to see if they're angled like and open like Kadaks. Can't verify them, as I haven't used them yet, but will check.   Remind me if I forget: Wandering mind, you know.   Rick in Indiana.      
(back) Subject: Pyramidon (was Re: MTS organ Project) From: <Ed_Stauff@avid.com> Date: Tue, 26 Sep 2000 09:17:40 -0400       >http://www.mewsic.com/stops/p/Pyramidon.html >I visited the link, and the definition is interesting, >but does anyone have pictures of diagrams of this stop? I'd love >to be able to see how they can get 16' pitch from a pipe 2.5' long.   Tonight I'll try to finish up that entry in the Encyclopedia. I'm sure there's more information in my sources than currently appears there. I don't think any of my sources include pictures, but if they do, I'll scan them and include them.   My understanding is that the Pyramidon took up a TON of chest space (horizontal space), in return for saving a lot of height. I imagine it must be stopped, but I don't remember. I'll find out tonight.   -- Ed   #=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D#=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D#=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D# | Ed Stauff, principal software eng. | I don't speak | "Specialization | | Avid Technology, Tewksbury MA, USA | for Avid, nor | is for insects." | | "ed_stauff#@#avid.com" (remove #'s) | vice versa. | -- Lazarus Long | #=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D#=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D= =3D=3D=3D=3D#=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D=3D#      
(back) Subject: Re: [Residence Organs] Pyramidon (was Re: MTS organ Project) From: "Eric Sagmuller" <ess4@psu.edu> Date: Tue, 26 Sep 2000 09:47:35 -0400   > I'd love > >to be able to see how they can get 16' pitch from a pipe 2.5' long. >   I would envision that the pipe wraps around inside the pyramid, and is actually the length of a straight pipe if stretched out. I've built some "transmission line" speakers that were constructed this way but actually were more the shape of a box.   Maybe I'm all wet though about my assumption.   Eric    
(back) Subject: Re: [Residence Organs] Pyramidon (was Re: MTS organ Project) From: "Bob Loesch" <rrloesch@jps.net> Date: Tue, 26 Sep 2000 06:55:21 -0700   At 09:47 09/26/2000 -0400, Eric Sagmuller wrote: >I would envision that the pipe wraps around inside the pyramid, and >is actually the length of a straight pipe if stretched out. I've >built some "transmission line" speakers that were constructed this >way but actually were more the shape of a box. > >Maybe I'm all wet though about my assumption.     I once built a set of Klipschhorn speakers which had a very long resonance tube built into a corner-mounted speaker cabinet. I'm sure the Pyramidon uses some such construction, but I'd just like to see how it fits it together. John Compton built a 32' stop using a large partitioned box, = but it could only play one note at a time.   Regards, Bob, in beautiful Lake County, California, USA NAWCC 140818 http://www.jps.net/rrloesch alternate mailto:cuckoobob@eudoramail.com    
(back) Subject: RE: [Residence Organs] Pyramidon (was Re: MTS organ Project) From: <mblackwell@wallace.com> Date: Tue, 26 Sep 2000 13:05:59 -0500   Perhaps it works more like an ocherina, or blowing across the top of a bottle, where the pitch is dependent on volume enclosed and the size of = the mouth opening.   Just a thought.   Mike  
(back) Subject: lenght vs volume From: "Mac Hayes" <mach37@ptw.com> Date: Tue, 26 Sep 2000 18:34:27 -0700   The Stevens Irwin "Directory of Pipe Organ Stops" has comparative drawings of pipes claiming that squat, short pipes can have the same pitch as long, skinny pipes. I believe Irwin borrowed his drawings from Audsley.   Mac Hayes  
(back) Subject: Re: [Residence Organs] lenght vs volume From: "Jon" <sparky@chesco.com> Date: Tue, 26 Sep 2000 21:39:34 -0400   Does anyone have a physics explaination of why that is?   ~Jon   >The Stevens Irwin "Directory of Pipe Organ Stops" has comparative >drawings of pipes claiming that squat, short pipes can have the same >pitch as long, skinny pipes. I believe Irwin borrowed his drawings from >Audsley. > >Mac Hayes > >DIYAPASON-L: a Discussion list for owners and builders of their own >Residence Pipe Organs. >HOMEPAGE : http://www.diyapason.pipechat.org >List: mailto:DIYAPASON-L@pipechat.org >Administration: mailto:owner-DIYAPASON@pipechat.org        
(back) Subject: volume vs. length From: "Mac Hayes" <mach37@ptw.com> Date: Tue, 26 Sep 2000 18:47:29 -0700   <<The Stevens Irwin "Directory of Pipe Organ Stops" has comparative>>   Sorry, I meant to write "Dictionary" instead of "Directory" as the title - it seems obvious from that comparison/ explanation that pitch is based on internal volume of the pipe rather than just the length of the pipe. But I'm only jumping at that conclusion.   Mac Hayes