Search found 25 matches: TWCALC

Searched query: twcalc

by Daniel_Bingamon
Tue Oct 18, 2005 9:41 pm
Forum: The Chiff and Fipple Whistle Forum
Topic: Conical bore whistle design program?
Replies: 15
Views: 4833

I ran the numbers from the website you mentioned with TWCalc and here are the results: From Bottom to Top Hole 1 6mm dia. position 57.6 mm Hole 2 8mm dia. position 90.6 mm Hole 3 6mm dia. position 109.3 mm Hole 4 6.5mm dia. position 142.9 mm Hole 5 ...
by Daniel_Bingamon
Tue Oct 18, 2005 9:06 pm
Forum: The Chiff and Fipple Whistle Forum
Topic: Conical bore whistle design program?
Replies: 15
Views: 4833

but I cannot get TWCalc to function on my WinXP machine TWCalc is compiled under the Win 16-Bit API. But so is Regedit, command.com and large number of other windows functions. There is some spyware (malware) or virus that disable ...
by Daniel_Bingamon
Thu Oct 06, 2005 7:10 pm
Forum: The Chiff and Fipple Whistle Forum
Topic: Conical bore whistle design program?
Replies: 15
Views: 4833

I have considered putting tapered pipe capability in TWCalc. I suppose anyone who would make a taper would be be from top to bottom. Then there is the tuning joint, which is not tapered. So, The question is how to convey the taper and straight section ...
by Daniel_Bingamon
Sat Jul 30, 2005 7:51 pm
Forum: The Chiff and Fipple Whistle Forum
Topic: Another Low D (with a bit of WTT)
Replies: 2
Views: 1601

Are you using the bottom of whistle to center of hole with TWCalc?

BTW - Are the ears brazed, soldered or glued to you whistle? It has a clean appearance.
by Daniel_Bingamon
Thu Jun 09, 2005 9:16 pm
Forum: The Chiff and Fipple Poststructural Pub
Topic: Consulting the Geek Oracle - Linux
Replies: 5
Views: 1010

... to TiMidity, but at least I can now play my Midi files. Chiff Linux for whistle players, that would be nice. I'll have to write a linux version of TWCalc (Tin Whistle Calculator for Toneholes).
by Daniel_Bingamon
Thu Apr 07, 2005 9:10 pm
Forum: The Chiff and Fipple Whistle Forum
Topic: Whistle smithing (knowledge to share)
Replies: 11
Views: 2699

If you take the Inner width of the square tube times 1.12838, it will give you the equivalent round diameter for running Twcalc, Flutomat or any of the tonehole position calculators.

Special Shapes sells telecoping brass tubing and could make pretty good whistle.
by Daniel_Bingamon
Tue Jun 29, 2004 9:24 pm
Forum: The Chiff and Fipple Whistle Forum
Topic: Do you use TWCALC?
Replies: 13
Views: 2622

TWCalc is written in good old fashioned Visual C (no stinkin ++). If you want a copy of the source, send me a personal email (click on email button below). I'm designing TWCalc with the goal of monitoring Local Cutoff frequency ...
by Daniel_Bingamon
Tue May 18, 2004 11:01 pm
Forum: The Chiff and Fipple Whistle Forum
Topic: WTT - Hoekje Tone Hole Spreadsheet Questions
Replies: 4
Views: 1075

... (cutoff ratio = localcuttoff / frequency) Or, send me a message I'll send you my modified version of Hoekje's spreadsheet. Also, a new revision of TWCALC (Tin Whistle Calculator) is available on my website.
by Daniel_Bingamon
Thu May 06, 2004 8:21 pm
Forum: The Chiff and Fipple Whistle Forum
Topic: I need a C# cheapie
Replies: 18
Views: 2751

... one of my books if you want to build your own. Also, a freebee, go to http://jubileeinstruments.messianic-webhosting.com/experiem.htm and run my TWCALC (Tin Whistle Calculator) program. You can enter the bore diameter and wall thickness for a brass tube. First get a cheap whistle, remove the ...
by Daniel_Bingamon
Sun Apr 11, 2004 8:24 pm
Forum: The Chiff and Fipple Whistle Forum
Topic: Whistle building question
Replies: 6
Views: 3561

... sharp edge on the inside diameter and the whole whistle will sound louder and more stable. BTW - I have a new tin whistle design program called TWCALC. A Windows Executable. It is on my experimenters section of my website at: http://jubileeinstruments.messianic-webhosting.com/experiem.htm In ...