established · Water Fuel Cell · computed
Circumference surface points determined from cylindrical diameter using pi
Circumference surface points (E9a - E9n) are determined from the diameter cross section (D) of the cylindrical surface using the mathematical constant (x) = 3.1416 (pi), per Figure 7-11 (720).
Basis
- Confidence
- 0.80
- Published
- 19 Aug 2026
- Device
- Water Fuel Cell
- Component
- cavity
- Source Ref
- The Birth Of New Technology — Taper Resonant Capacitor (ERt)
- Notebook Id
- 435
- Recorded At
- 2026-07-03T06:53:04.901Z
- Source Page Id
- 339
formula diameter circumference