R.A. Colby, Inc.
PO Box 4058
Johnson City, TN 37602
ph: 423-282-4473
info@racolby.com
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RA Colby Organbuilder


Ears: 1-24
Ear Depth: 1/3
Skiving: Top
Material: Zinc 1-7 / Spotted Metal 8-61
Compass: 1-61

Pipe# C1 C2 C3 C4 C5 C6 C7
Scale 66 72 78 87 100 8mm  
Mouth Width Ratio 3/4 3/4 3/4 3/4 5/7 3/4  
Mouth Width 45mm 33mm 26mm 17mm 10mm 6mm  
Cut Up 14mm 9mm 9mm 5mm 2mm 1.5mm  
Cut Up Ratio 1/4 1/4 1/4 1/4 1/4 1/4  
# nicks in languid 27 20 20 15 12 10  
Tuned Length" 46.75 22.25 23.5 11.25 5.25 2.5  
Total Pipe Height" 55.5 30 30.5 18.25 12 8.75  
Toe Hole Dia" .21 .17 .16 .11 .08 .06  
Roller Beard Dia"              
Wind Way .5mm .5mm .5mm .5mm .5mm .5mm  
Metal Thickness" .038 .028 .039 .026 .023 .018  
Hook Heights"              



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Copyright 2016, R.A. Colby, Inc.. All rights reserved.
 
 

4' Harmonic Flute
• 66 scale
• 1-61

• $1350 + shipping/handling

• KA04-11-96