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E-Tesla 6.11 strange prediction



Original poster: "by way of Terry Fritz <twftesla-at-qwest-dot-net>" <Mddeming-at-aol-dot-com>

Hi Terry, All! 
While waiting for the rain to stop (4 days now) I tried doing some "what-ifs" 
with the E-Tesla 6.11 program in which I raised and lowered the primary coil, 
keeping all else the same. There is a discontinuity at 19.75" that I cannot 
explain. Is this a critical point in reality, or is it a computational 
anomaly caused by the finite math of the CPU? 
        It will take a few days after the rain stops for the Lab (garage) 
floor to dry out before I can take measurements. 
Primary Cap.Calc Fres Calc 
in.         pF                     kHz 
16.50 22.23451 287.737 
17.50 22.32667 287.143 
18.50 22.43735 286.434 
19.50 22.55733 285.669 
19.70 22.55771 285.669 
19.75 22.55710 285.669 
19.80 24.25782 275.477 
19.90 24.25782 275.477 
20.00 24.25782 275.477 
20.50 24.29766 275.251 
21.50 24.66628 273.186 
22.50 24.79134 272.496 
23.50 24.96715 271.535 
24.50 25.26754 269.916 
25.50 25.60428 268.136 
26.50 25.96334 266.275 
Here is the other data from one run: 
E-TESLA  V6.11C  November 21, 2000 
  
Grid Size = 200.000000 
Scale Multiplier = 1.000000 
Terminated Coil 
Ceiling Distance = 96.000000 
Wall Distance = 48.000000 
Primary Height (Inner Turn) = 16.500000 
Primary Inner Diameter = 6.375000 
Primary Outer Diameter = 24.375000 
Primary Height (Outer Turn) = 16.500000 
Strike Rail Height = 25.000000 
Strike Rail Diameter = 30.000000 
Secondary Base Height = 25.000000 
Secondary Diameter = 4.280000 
Secondary Length = 21.160000 
Secondary Inductance (mH) = 13.760000 
Terminal-1 Height (center) = 51.799999 
Terminal-1 Cord Diameter = 3.250000 
Terminal-1 C-C Diameter (toroid only)= 8.000000 
Terminal-2 Height (center) = 55.400002 
Terminal-2 Cord Diameter = 4.250000 
Terminal-2 C-C Diameter (toroid only)= 13.750000 
Top Voltage = 360.000000 

Thanks, 
Matt D.