DIYAPASON-L Digest #903 - Monday, October 20, 2003
 
Wind line size
  by "Robert W. Taylor" <rtaylor@socket.net>
Re: [Residence Organs]  Wind line size
  by "Nelson Denton" <ndenton@cogeco.ca>
Re: [Residence Organs]  Wind line size
  by "Gary Black" <gblack@ocslink.com>
 

(back) Subject: Wind line size From: "Robert W. Taylor" <rtaylor@socket.net> Date: Mon, 20 Oct 2003 21:35:15 -0500   Here is a question for the group.   I am just now ready to attach the wind lines to my 8' Great open Diapason. It is on a unit chest with no other pipes. What size wind line should I use?   The organ is on 4 inches, the Diapason chest has it's own reservoir and trem, and the pipes are scale 44. I plan on using a 4 inch line to the chest from the reservoir. Should I use a 4 inch line also to the reservoir? The trunk to the reservoir will 6 inches until within two feet of the reservoir, then it is planned to reduced to 4 inches. (That is = where it goes through the floor) It that OK?   Bob Taylor      
(back) Subject: Re: [Residence Organs] Wind line size From: "Nelson Denton" <ndenton@cogeco.ca> Date: Mon, 20 Oct 2003 23:36:13 -0400   Your main concern is the distance between the chest and the reservoir. = What comes in the section between the reservoir and the blower is of less concern. Your 4" pipe should do OK for a single rank of pipes as long as = it is not too long. The longer the pipe the more chance you will get a = bouncing effect when you play heavy chords. A unified chest draws more wind simply because it has more pipes playing at the same time than most straight = ranks.   A 6" pipe would be best but if you are using plastic sewer pipe it gets pricey in larger sizes. You can also try building your own pipe trunks = out of MDF or plywood. They are not hard to make. The 4" should do in most cases up to 6' long. If the bounce becomes too noticable you can try = adding a second 4" line in parallel if space in the walls is small or a = rectangular one made of plywood to fit.   You can use the lighter weight plastic pipe in most cases as organ wind pressures are no where near that of water pipes. Check your local fire/building codes if you are going through fireproof walls/floors etc. Insurance companies are getting fussier all the time .     Nelson Denton R. A. Denton and Son Pipe Organ Builders.     --- Outgoing mail is certified Virus Free. Checked by AVG anti-virus system (http://www.grisoft.com). Version: 6.0.528 / Virus Database: 324 - Release Date: 16-Oct-03    
(back) Subject: Re: [Residence Organs] Wind line size From: "Gary Black" <gblack@ocslink.com> Date: Mon, 20 Oct 2003 22:43:36 -0500   Hi Robert, Good for you ! The organ is playing at last!. Here is a word for the wise. NEVER have a windline that is LARGER than the windline = coming from the blower to the reservior.(or static wind from the blower to the reservoir). So, if you had a 3" inch line coming from the the blower to = the reservior and then did a 4" or larger from the pressure side( after the curtain valve) to the chest, troubles will arise. Unsteady wind etc will happen. Have fun. Gary ----- Original Message ----- From: "Robert W. Taylor" <rtaylor@socket.net> To: <DIYAPASON-L@pipechat.org> Sent: Monday, October 20, 2003 9:35 PM Subject: [Residence Organs] Wind line size     > Here is a question for the group. > > I am just now ready to attach the wind lines to my 8' Great open = Diapason. > It is on a unit chest with no other pipes. What size wind line should I > use? > > The organ is on 4 inches, the Diapason chest has it's own reservoir and > trem, and the pipes are scale 44. I plan on using a 4 inch line to the > chest from the reservoir. Should I use a 4 inch line also to the > reservoir? The trunk to the reservoir will 6 inches until within two = feet > of the reservoir, then it is planned to reduced to 4 inches. (That is where > it goes through the floor) It that OK? > > Bob Taylor > > > 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 > >