Jim's GT clock

Tech Tower, inspiration for the clock case

Jim and Larry at the Royal Observatory in Greenwich, England in October 2006

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

Early view of the regulator gear train and frame

Early side view of the regulator gear train and frame

Early isometric view of the regulator gear train and frame

Early isometric view of the regulator gear train with front frame pieces removed

The GT seal, used on the clock dial (face)

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

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

"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, ...

An initial gear train layout (milled gears)

Prototype milled gears and escape wheel (for high-end clock)

Laser cut acrylic gear (low-end development version)

Early gear mesh prototype (masking tape holds frame together)