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Coil parameters
- To: tesla@xxxxxxxxxx
- Subject: Coil parameters
- From: "Tesla list" <tesla@xxxxxxxxxx>
- Date: Fri, 18 Nov 2005 20:29:10 -0700
- Delivered-to: testla@pupman.com
- Delivered-to: tesla@pupman.com
- Old-return-path: <vardin@twfpowerelectronics.com>
- Resent-date: Fri, 18 Nov 2005 20:33:16 -0700 (MST)
- Resent-from: tesla@xxxxxxxxxx
- Resent-message-id: <z9GTmB.A.qNC.5zpfDB@poodle>
- Resent-sender: tesla-request@xxxxxxxxxx
Original poster: Michael Brooks <screaminfleadesigns@xxxxxxxxx>
Hello all, it me again,
I am resending the coil parameters because the
last post didn't appear very readable.
Again I am hoping for some comments on the design
to help me understand why it does what it does.
<?xml:namespace prefix = o ns = "urn:schemas-microsoft-com:office:office" />
POWER SUPPLY
Allanson Luminous Tube Transformer
120v input
15kv output
30ma
450VA
General Electric Volt-Pac Variable Transformer
120v input
120 ? 140v output
7.5A
SECONDARY COIL
Outer Diameter 3.5 inches
Coil Length 14 inches
Aspect Ratio 1:4
Turns 651.1628N
Windings #24 Gauge Magnet Wire
Wire Length 596.3566 feet
Resonant Frequency 680.287 KHz
RF Resistance 249.6812 Ohms
XL @ Resonance 35618.78 Ohms
Max Unloaded Q @ Resonance 142.657
Inductance 8.337334mH
Distributed / Stray Capacitance 6.572969pF
Approximate Loaded Q 50.94893
Terminal Capacity 6.572969pF
Resonant Frequency Drop to 480.963 KHz
TRANSFORMER / CAPACITOR MATCHING
Max Primary Capacitance .0038 microfarads
Minimum Voltage Rating 37500 Volts
SPARK GAP
Ty pe Static
Number of Gaps 8
Gap Spacing .010 - .020 inches
TANK CAPACITOR
Type Rolled
Plate Thickness Aluminum Roof Flashing
Dielectric .040 Inches (40 mils) Low Density Polypropylene
Plate Length 60 Inches
Plate Width 14 Inches
Capacitance per Roll .019 microfarads
Voltage per Roll 8000v
Rolls Required (Series Connected) 5
Final Capacitance .0038 microfarads
Maximum Transformer Capacitance .0038 microfarads
Final Voltage Value 40kV
PRIMARY COIL
Inductance Needed for Resonance 14.4microhenries
Type Flat Spiral
Conductor .24? (1/4?) copper tube ? .3725? (5/16?) OD
Number of Turns 8N
Spiral OD 14.75? (14-3/4")
Spiral ID 5.375? (5-3/8?)
Turns Spacing .3125? (5/16?)
Approximate Tap Point Turn 7-8
TOPLOAD (TOROID)
TOROID 1
Torus Size 1? X 6?
Torus Capacitance 5.10 pF ? This to match secondary terminal capacity
Suggested Diameter 2? - 4?
Suggested Power Level 200W ? 400W
TOROID 2
Torus Size 2? X 8?
Torus Capacitance 6.80 pF ? This to match secondary terminal capacity
Suggested Diameter 3? - 5?
Suggested Power Level 400W ? 800W
Thanks for the input,
'Flea
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