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 Click on the topic below to see further details. These are arranged in chronological order. Most of the pages contain a video viewer. If you are unable to use this to view the video clips, click on the direct video links just below the viewer to upload the .mpg file to your computer and view on whatever video platform your computer uses.

ASTRONOMICAL SKELETON CLOCK PROJECT, INDEX

Date

2003

Date

2015

  Pre-construction design work 01/15 Calendar, begin reversible, third-order perpetual calendar calculator complication  module
10-12/03 My early concept designs page 1 02/15 Calendar, complete the calendar calculator module
  2004-2006 03/15 Calendar remontoire and demonstration overdrive safety clutch
5/04 - 4/05 My early concept designs page 2 04/15 Calendar readout control levers, begin digital year indicator
4/04, 1/06 Buchanan's early concept designs 05/15 Calendar readout control levers and digital year indicator
  2006 06/15 Calendar, skeletonize calendar frames, other misc. items
Creation of working component models and first generation mockup 07/15 Calendar, completion. Begin tellurion module, design & wheel blanks
3/06 Working mockups in plastic - going barrel and planisphere 08/15 Tellurion assembly, frame blanks, spoke wheels
4/06 Working mockups in plastic - escapement and remontoire 09/14 Sidereal, equation of time and calendar function drives
5/06 Fabricator's design drawings page 1 10/14 Finish last month's work. Begin mockup for the perpetual calendar module
5/06 Fabricator's design drawings page 2 11/14 Sidereal, equation drives, kidney cam, equation of time system complete
01-06/06 Fabrication of full scale mockup 12/14 Calendar, begin mockup for calendar remontoire, begin fabrication
7/06 Full scale mockup page 1 08/15 Tellurion assembly, frame blanks, spoke wheels
7/06 Full scale mockup page 2 09/15 Tellurion assembly, spoke and plant wheels
7/06 Orrery mockup detail 10/15 Tellurion assembly, skeletonized frames

2007

11/15 Tellurion assembly, begin solar and lunar eclipse demo functions
  Fabrication Begins 12/15 No work
07-9/07 Main wheels, barrels & maintaining power systems   2016
10-12/07 Time train, Wagner dual remontoire, wheels, differential drive 01/16 Tellurion assembly, sidereal, synodic month; solar, lunar horizons
02/16 Tellurion assembly complete. Complete sidereal dual dials
2008 03/16 Pendulum spring regulator assemblies
01/08 Time train Wagner dual remontoire, output, cage, chaton assemblies 04/16 Pendulum spring, attachment parts
02/08 Planisphere design work 05/16 Escapement, start final finishing. Begin preparations for rating the clock
03/08 Time train, continue wheel work 06-07/16 Escapement, final finishing, begin balance springs testing
04/08 Time train, bevel wheels, fly design, columns, screws 08/16 Escapement, completion. Begin balance springs testing
05/08 Time train, Wagner remontoire fly fabrication - rough out 09/16 Tellurion Earth globe, complete balance springs testing
06/08 Time train, Wagner remontoire fly fabrication - finish work 10/16 No work, My visit to the firm of Buchanan
07/08 Time train, assembly of fly to remontoire 11/16 Sun / Moon rise/ set module, dial design and development of first & second-order moon anomaly functions
08/08 Escapement, antifriction wheel assembly, and main wheel clicks 12/16 No work.
09/08 Escapement, antifriction wheel assembly, escapement wheels   2017
10/08 Pendulum balance assemblies - arbors 01/17 Sun / Moon rise/ set, begin Great Anomaly & Projection variable differentials
11/08 Pendulum balance assemblies - antifriction wheels and their plates, complete arbors 02/17 Sun / Moon rise/ set, complete variable differentials
03/17 Thermometer, analog
11/08 Pendulum balance assemblies - begin balances 04/17 Sun / Moon rise/ set, begin dial output drive assemblies
12/08 Pendulum balance assemblies - complete balances 05/17 Sun / Moon rise/ set, dial output drive assemblies and differential frame
  2009 06/17 Sun / Moon rise/ set, dial output drive assemblies, module frames, shutter cam rollers, differential setting & dials
01/09 Escapement pallets, grasshopper assemblies 07/17 Sun / Moon rise/ set dial output drive assemblies, sun drive center sector dials
02/09 Escapement pallets, grasshopper assemblies redesign 08/17 Sun / Moon rise/ set, sun hand, glass dial work, redo center dial and bezel
03/09 Frames-entire compliment, complete redesign 09/17 Sun / Moon rise/ set, finish sun hand, glass dial frame, shutter setting dial
Remontoire fly fan decoration; time train clutch 10/17 Sun/Moon rise/set; horizon shutter cams, movable dial plaques, mechanically complete
04/09 Remontoire components, refine. Seconds drive, begin celestial train 11/17 Sun/Moon rise/ set assembly, misc. work complete
05/09 Equation of time differential wheels, fly fan decoration, begin Robin remontoire 12/17 No work.
06/09 Celestial train, continue Robin remontoire
2018
07/09 Celestial train, continue Robin remontoire 01/18 Planisphere module mockup, miscellaneous projects
08/09 Celestial train, continue Robin remontoire 02/18 Planisphere module, begin module
09/09 Celestial train, finish Robin remontoire, Begin lower movement frame 03/18 Planisphere module, continuation
10/09 Frame-lower movement, completion. Bell strike hammer lift cams 04/18 No work
11/09 Bells; preparation for Horological Journal cover, Jan. 2010 05/18 Planisphere module, completion
12/09 Frame-upper movement, begin   Project to date photos
Project to date video page 06/18 Orrery, begin preconstruction planning and design
  2010 07/18 Orrery, central support pillar, dial support bracket, begin Saturn gearbox
01/10 Frames/plates-upper movement roughs, stop work and power reserve indicators 08/18 Orrery, finish Saturn gearbox, begin Saturn armature drive wheel set
02/10 Stop work, cable hooks, begin power reserve indicators 09/18 Orrery, finish Saturn armature drive wheel set, begin Jupiter gearbox
03/10 Power reserve indicators, barrel clicks, redesign 10/18 Orrery, finish Jupiter gearbox, revise main orrery enamel dial ring
04/10 Power reserve indicators, complete; prep work upper frames 11/18 Orrery, complete Jupiter armature drive wheel set
05/10 Frames-upper main, continue rough out, some finish & trim work 12/18 Orrery, begin inner planets gearbox
06/10 Frames-upper main, rough out complete, some finish & trim work   2019
07/10 Frames, going, celestial, equation trains and pendulum support fabricated 01/19 January work combined into December installment
08/10 Demonstration clutch parts, project to date photos; films 02/19 Orrery, continue inner planets gearbox
09/10 Pendulum balance diagonals; poising weights, strike train rear frame 03/19 Orrery, continue inner planets gearbox
10/10 Strike train snail transfer train 04/19 Orrery, complete inner planets gearbox, orrery mechanically complete
11/10 Strike train Fasoldt epicyclical fly fans, begin 05/19 No work
12/10 Strike train fly fans. Begin strike/ repeat control assemblies 06/19 Orrery and other detail work
  2011 07/19 Orrery, completion
01/11 Strike and repeat control assemblies, schematics; rack mockups,   Project photos and video to date
02/11 Strike and repeat control assemblies, main strike fly fan detents 08/19 No work
03/11 Strike and repeat control assemblies, initiators 09/19 No work
04/11 Strike and repeat control assemblies, complete initiators 10/19 Spring drive from weight drive conversion, begin. Begin clock disassembly for final finishing of all components
05/11 Strike and repeat control assemblies, continue main strike fly detents 11/19 Spring drive conversion complete, begin misc. fabrications, refining and finishing of all components for final reassembly
06/11 Strike and repeat control assemblies, rack pawls; rack let down flies 12/19 Base frame, strike flies, fabricate demo drive speed selector
07/11 Strike and repeat control assemblies, quarter and hour racks   2020
  Project to date photos and video page 01/20 Time train finished, main frame wheel works and sidereal time complication
  2012 02/20 Equation and time transfer trains, tripartite drive, escape wheel assembly, rack let-down flies, orrery drive, fabricate dial support latches
8/11-9/12 Fourteen month hiatus for restoration of the Pouvillon clock 03/20 Thermometer, demo drive crank and transfer wheels, begin strike train
10/12 Movement stand, inner steel structure 04/20 Strike train, continue; begin celestial train
11/12-5/13 Seven month hiatus for manufacturing facility relocation 05/20 Celestial train, finish; finish strike train control lever work
                                                                            2013 06/20
07/20
Calendar module debugging and finishing, begin dial bezel work                                   
  Fabrication of enamel dial work, compilation, Feb. 2008 - May 2013 08/20 Calendar module finished
  Dial work -  Feb. 2008 to Jan. 2012, planisphere, main time dial 09/20 Tellurion finished, continue dial bezel work
06/13 Dial work - Mar. 2012 - Aug. 2012, orrery, redo main time dial 10/20 Planisphere mask, finish dial bezels, and misc. demonstration mechanics
  Dial work - Mar. 2012 - Aug. 2012, orrery, redo main time dial 11/20 Planisphere finished, begin Sun and Moon module, misc. setting dials
  Dial work - Dec. 2012 - May 2013, redo orrery, complete remaining dials 12/20 Sun and Moon module and orrery finished, enamel dial work installed
07/13 Main frame pillars, replacements   2021
08/13 Main frame pillars, replacements 01/21 Clock frame, structural support sub base redesign, finish most dial hands
09/13 Demonstration drive, celestial train, the orrery dual speed transmission 02/21 Dial hands finished, sedan chair carry frame constructed, debugging begins
10/13 Demonstration drive transmission, begin orrery output gearing 03/21 Debugging continues, demonstration selector retrofit - finished
11/13 Demonstration drive and orrery output gearing, completion 04/21 Debugging continues, correction for seconds hand, design issue
12/13 No work 05/21 Debugging continues, correction for seconds hand finished, world time dial corrected and finished, fabrication of case is finished
Date 2014 06/21 Debugging continues, sub-base surround built, dedication plate, winding key reviewed
01/14 Strike snails and begin strike hammer linkages 07/21 Debugging continues, various small chores addressed, timing trials begin
02/14 Strike hammer linkage, continue 08/21 Debugging continues, various small chores addressed, timing trials continue
03/14 Strike hammer linkages, completion 09/21 Debugging continues, case arrives, keyways fabricated, custom table ordered
04/14 Strike hammers 10/21 Debugging completed, wood sub base surround finished, final photography and videography finished, NAWCC Zoom presentation
05/14 No work    
06/14 No work    
07/14 Strike and repeat selection levers, misc. parts, complete strike control system    
08/14 No work    
09/14 Sidereal, equation of time and calendar function drives    
10/14 Finish last month's work. Begin mockup for the perpetual calendar module    
11/14 Sidereal, equation drives, kidney cam, equation of time system complete    
12/14 Calendar, begin mockup for calendar remontoire, begin fabrication    
       
       
       

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