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CG-35ABE / APS-20
Modulator / Spark Gap |
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General
Electric. Brand new in the crates! CG-35ABE Modulator. Includes Rotary
Spark Gap, GE 8378385GR1, driven by 1/6 hp 115 vac 60 Hz motor.
High inductance, high voltage transformer, GE Cat.# 83118065, 11,200v (22.8kv
peak). Motorized (with GE 115 vac 60 Hz drive motor) voltage regulator / variac,
115 vac (±30.4%), 60 Hz, 16.2 amps, 132 pounds. 24" deep
x 28" wide x 59" high. F16-M-40951-2491.
Crated weight 1,460 pounds. APS-20 radar systems were the heart
of WWII surveillance, used in the Boeing B-17 Flying Fortress
and P2V-2S Neptune. |
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Attention Tesla Builders! Here is the Cadillac of all building blocks.
Rotary Spark Gap Generator |
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(EQP) 8378385GR1
Rotary spark gap generator removed from new General Electric radar modulator. Manufactured in 1950's. Complete modulator with power supply also available to the left or purchase supporting components ala carte on this page. Spark Gap experimentation continues and thrives today. Take advantage of fantastic savings by reutilizing US Government sponsored parts worth 50 times our sale price.
Drive motor is 115 vac 60Hz 1/6 HP. 4" x 6" observation window. Overall dimensions: 23" x 17" x 15". Notice direct drive rotor with 2 stainless steel posts that rotate by 2 stationary posts that feed thru end panel. (See close up pictures). Approximately 1/16" spark gap. Mounted on shock base. |
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Induction Voltage Regulator
115 vac - 16.2 amps Max |
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(TV) 7379484
General Electric induction voltage regulator. 115 vac, ±30.4%, 60 Hz, 16.2 amps max. Can adjust manually with knob or electrically with 115 volt drive motor. 115 vac. Removed from rotary spark gap. 9" x 10" x 23" high. Weighs 132 pounds. |
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Cabinet Carcass from
WWII CG35 Modulator |
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(ENC) SPARK
Cabinet carcass from WWII CG35 modulator - rotary spark gap generator. Parts have been removed. Heavy steel cabinet with 3 solid sides & front-hinged double door. Top drop-down panel. 24" x 28" x 54" high. Very heavy. New!! |
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High Reactance Transformer
22.8 kv |
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(TP) 7384160
High reactance transformer. 2.18 kva, 60 Hz. Input: 11,200 volts, 135 Henries. Output peak: 22.8 kv. General Electric type Y-3502-A, catalog #8318065G-1. 11-1/4" x 21" x 25" high. Weighs around 500 lbs. Removed from new rotary spark gap. |
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Oil Capacitor
0.05 µF - 25 kv |
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(CFO) 0000R05025.A
General Electric 14F129 oil capacitor. 0.05 µF, 25 kv. Removed from rotary spark gap. Likely contains PCB. Overall dimensions: 5-1/2" x 13-1/2" x 17-1/2" high. |
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Blower |
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(FAN) SUS
American Blower Corporation blower fits rotary spark gap. Motor is 115 vac, 1/12 HP. |
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