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MMD > Archives > Authors > Paul Rumpf


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Digest NrSubject
2025.09.13.02 Autopiano Action Pneumatic Span
2024.07.22.01 Recordo Pump and Expression Action Restoration
2022.04.21.01 Light-weight Pneumatic Cloth Design Guidelines
2021.08.10.02 Recordo "A" Expression System Design Paper
2021.05.25.01 Recordo Player Piano Expression System
2021.03.02.03 "Midnight Rose" QRS Recordo R4098
2020.12.05.03 Force Versus Distance of a Pneumatic
2020.07.20.02 Playing the English Steck Half-Duo-Art
2019.10.28.05 Constant Torque vs. Constant Speed Roll Drive
2019.10.04.01 Unknown Player Action in Steger Piano
2019.05.26.01 Seek Ampico A Expression Mechanisms
2019.05.09.02 Motor For Gulbransen Recordo in New Zealand
2019.03.15.02 Unknown QRS Artecho Roll Played By Artur Schnabel
2018.12.18.03 Thin Rubberized Cloth For Pneumatics
2018.08.25.04 Calculating the Dimensions of Pneumatic Cloth
2018.03.16.02 Music Roll Repair Techniques
2017.12.13.08 Unknown Expression System On German Piano Rolls
2017.10.02.02 QRS Artecho Roll Played By Artur Schnabel?
2017.09.26.03 Apollo Red X & QRS Automatic Roll Recutting
2017.09.18.05 FS: Solo Carola Rolls In Australia
2017.08.29.01 FS: Artecho Bits In Australia
2017.06.15.02 Artrio-Angelus Offset Perforations
2017.05.31.03 Artrio-Angelus Tracker Bar Ports
2016.12.05.05 Testing an Air-tight Reservoir
2015.08.11.01 Extended "O" Roll Scale for Extra Instruments
2015.07.28.03 Estey Player Piano With Amphion Action
2015.07.28.02 Seek Recordo System Information
2015.07.02.05 Artrio Angelus Roll Found in Melbourne
2014.04.05.04 Suction Losses in a Player Piano
2014.03.31.02 Suction Losses in a Player Piano
2013.11.10.01 Rewind Pneumatic in Steck Upright Duo-Art
2013.09.12.04 Player Piano Motor Case Temperature
2013.07.28.01 Tuning Standards
2013.07.25.05 Pouch Return Spring Force Calculation
2013.06.14.02 Aeolian Primary Valves Have No Bleeds
2013.05.27.07 Player Piano Valve Design Parameters
2013.05.24.08 Player Piano Valve Design Parameters
2013.05.01.02 Rebuilding Rotary Box Pump Valves
2013.03.07.04 Ampico A Crescendo Problem
2013.02.07.05 My E-mail Contacts List Was Hacked
2012.12.16.02 Roll Number of Universal "Moonlight Sonata"
2012.12.06.04 Roll Number of Universal "Moonlight Sonata"
2012.10.10.04 Connecting Straps for Welte Licensee Pump
2012.05.19.06 Replicating "Standard" Fancy "S" Pedal Mats
2012.04.13.03 Traditional Wood Finishes
2012.01.15.02 Testing a Key Striking Pneumatic
2011.12.30.06 Rebuilding a Player Piano Air Motor System
2011.08.02.06 Edge Damage on Piano Rolls
2011.07.22.06 Mastertouch Piano Roll Co. & "Tea for Two"
2011.07.04.02 Recordo Pianos, Rolls and Expression Systems
2010.09.11.05 Hide Glue Joints Softened by Alcohol
2010.05.03.04 Transposing Duo-Art Pianos in Australia
2010.02.10.10 Replacing Lead Tracker Bar Tubing
2010.02.06.03 Replacing Lead Tracker Bar Tubing
2009.06.02.04 Liquid Rubber Sealant
2009.05.21.08 Ampico Intensity Scales
2009.05.16.12 Ampico Intensity Scales
2009.05.14.05 98-hole Tracker Bar
2009.04.29.07 Ampico B Intensity Bleed Sizes
2009.04.15.02 FS: Welte Licensee Piano Rolls in Melbourne
2009.03.20.07 Nickelodeon Motor Lubrication
2009.01.26.05 Repairing Old Piano Rolls
2009.01.23.02 FS: 65-note Piano Rolls
2009.01.20.03 Vader and his "Iron Tuning System"
2009.01.06.04 Mastertouch & QRS Music Rolls in Australia
2008.12.15.06 Force Development in Pneumatic Motors
2008.09.20.04 FS: Triphonola and Other Reproducing Rolls
2008.08.20.01 Unusual Aeolian Themodist Tracker Bar
2008.08.12.10 Strange Cable Tracker Bar is Solo Carola
2008.08.05.05 Rebuilding H. C. Bay Player Piano
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