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SITE URL 01: www.VoltsAmps.com
SITE URL 02: www.SVBxLABS.com
SITE URL 03: www.HERF.tk

"This site is powered by a single transistor."

.:: Air Gap Breakdown Information ::.

Source: Jim Lux, 1998



Symmetrical Sphere Gaps

This data applies to gaps where neither sphere is grounded, or, where the gap is so far from the surroundings that the fields relative to ground have no influence.

All voltages in kiloVolts with air at 20deg C, 760 torr, either polarity impulse, AC, DC spacings <0.5D Accuracy +/- 3% ; spacings >=0.5D accuracy +/- 5% (shown in italics)

 

Sphere Diameter (cm)

gap (cm)

5

10

15

25

50

100

150

200

0.5

17.5

16.9

16.5

 

 

 

 

 

1

32.2

31.6

31.3

31

 

 

 

 

1.5

46.1

45.8

45.5

45

 

 

 

 

2

58.3

59.3

59.2

59

 

 

 

 

2.5

69.4

72.4

72.9

73

 

 

 

 

3

79.3

84.9

85.8

86

 

 

 

 

4

 

107

111

113

112

 

 

 

5

 

128

134

138

138

137

137

137

8

 

177

194

207

214

 

 

 

10

 

 

 

248

263

266

267

267

12

 

 

 

286

309

 

 

 

14

 

 

 

320

353

 

 

 

16

 

 

 

352

394

 

 

 

18

 

 

 

 

452

 

 

 

20

 

 

 

 

495

504

511

511

25

 

 

 

 

558

613

628

632

30

 

 

 

 

 

744

741

746

35

 

 

 

 

 

812

848

860

40

 

 

 

 

 

902

950

972

50

 

 

 

 

 

1070

1140

1180

60

 

 

 

 

 

1210

1320

1380

70

 

 

 

 

 

 

1490

1560

80

 

 

 

 

 

 

1640

1730

90

 

 

 

 

 

 

 

1900

100

 

 

 

 

 

 

 

2050


© Copyright Rostislav Persion 2004