Jim's GT clock

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Revision as of 10:16, 18 March 2012 by Jim (talk | contribs)
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GT.01.jpg GT.18.png GT.19.png GT.20.png

Tech Tower is the inspiration for the clock case. Early 2D and 3D modeling efforts are shown. Note that the pendulum and the full height of the clock case are not yet included.

GT.23.png

GT.02.jpg Jim and Larry at the Royal Observatory in Greenwich, England in October 2006

GT.03.png Early 2D work on the regulator gear train (click on image to enlarge view)

GT.04.png Front view of the early regulator gear train and frame development

GT.05.png Early side view of the regulator gear train and frame

GT.06.png Early isometric view of the regulator gear train and frame

GT.07.png Early isometric view of the regulator gear train with front frame pieces removed

GT.16.png Close-up of the escape wheel area

GT.17.png Close-up of the great wheel area

GT.08.png The GT seal, planned to be used on the clock dial (face)

GT.09.png Escape wheel laser cut profile (approx. 6" diameter)

GT.10.png 72 tooth 10 DP gear laser cut profile (7.2" pitch diameter)

GT.11.png "Rambling Wreck" chime timing chart

1st Qtr = "I'm a rambling wreck"

2nd Qtr = "I'm a rambling wreck from Ga. Tech"

3rd Qtr = "I'm a rambling wreck from Ga. Tech and a hell of an engineer"

4th Qtr = "Rambling, gambling hell of an engineer" GONG, GONG, GONG, ...

GT.12.png An initial gear train layout (milled gears)

GT.13.jpg Prototype milled gears and escape wheel (for high-end clock)

GT.14.jpg Laser cut acrylic gear (low-end development work)

GT.15.jpg Early gear mesh prototype (masking tape holds frame together)

YouTube linke to an animation http://www.youtube.com/watch?v=itsAtmS8PZA&feature=youtu.be

GT.21.png GT.22.png

Early investigations into the chiming and gonging linkages