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RE: [TCML] Tesla Coil Tuning
Use JavaTc** http://www.classictesla.com/java/javatc.html to work things
out, as this program will give you a much better idea of how much per cent
charge your cap is achieving with that #excessive# break rate. Most likely
it's only getting a 15% - 20% charge if you're lucky!
If you use high bps you need a high current source to charge it up and 23ma
is way, way too small. I would also argue that 1100 bps is also not needed
either, others may disagree.
** In JavaTc click the 'Load Demo Coil' to get the basic settings and then
alter the respective ones to your own. Things like ground plane radius and
ceiling height you can most likely leave at the default settings for your
needs.
Regards
Phil Tuck
www.hvtesla.com
-----Original Message-----
From: tesla-bounces@xxxxxxxxxx [mailto:tesla-bounces@xxxxxxxxxx] On Behalf
Of Cole Awesome-Jordan
Sent: 15 June 2011 21:09
To: Tesla Coil Mailing List
Subject: [TCML] Tesla Coil Tuning
Recently i installed an asynchronous rotating spark gap on my coil and its
breaks rate is 1,100 bps (and it does fire continuously it stops and goes).
And i and puzzled as to why the performance of the coil has not increased,
it seems the same as when i used a static spark gap.
I am tapped into the primary at 8.23 turns, because its where i find the
streams are the best. However that being said the longest i can get is a 8".
Here are the specs for the coil, i used TeslaMap5. Any insight would be
appreciated.
TeslaMap Coil Summary
6/15/2011
---------- Power Supply ----------
NST V Out 10 kV
NST I Out 23 mA
NST Input V 120 V
NST Input F 60 Hz
NST VA 230.0
NST Watts 239.1 W
NST Impedance 435 Kohms
Max Arc Length 26.3 in
NST PFC Cap 42.4 uF
---------- Primary Capacitor ----------
Your Cap 18.75 nF
Resonate Cap 6.1 nF
LTR Static Cap 8.5 nF
LTR Sync Cap 11.6 nF
---------- Secondary Coil ----------
Single build magnet wire
26 AWG
Wire Length 968.7 ft
Wire Weight 0.74 lbs
Wire Resistance 39.7 ohms
Coil Height 18 in
Coil Diameter 3.5 in
Coil H/W Ratio 5.1 : 1
Coil Turns 1,057.8
Inductance 17.50 mH
Capacitance 7.00 pF
---------- Top Load ----------
Overall Diameter (1) 16 in
Ring Diameter (1) 4 in
Overall Diameter (2) (optional) in
Ring Diameter (2) (optional) in
Sphere Diameter (optional) in
Top Load Adjustment 95 %
Top Load Capacitance 19.01 pF
---------- Top Load + Secondary ----------
Resonate F 235.87 kHz
---------- Primary ----------
Wire Diameter .25 in
Wire Spacing .75 in
Hole Diameter 5.5 in
Coil Angle 0 degrees
Coil Adjust 95 %
Needed primary inductance with:
Your Cap 15.26 uH
Resonate Cap 46.89 uH
LTR Static Cap 33.49 uH
LTR Sync Cap 24.68 uH
Turn 1 0.3 uH
Turn 2 1.0 uH
Turn 3 2.3 uH
Turn 4 4.2 uH
Turn 5 6.7 uH
Turn 6 10.0 uH
Turn 7 14.2 uH
Turn 8 19.3 uH
Turn 9 25.5 uH
Turn 10 32.8 uH
Turn 11 41.4 uH
Turn 12 51.3 uH
Turn 13 62.7 uH
Turn 14 75.6 uH
Turn 15 90.1 uH
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