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Overunity Machines Forum



user TURBO?s replication of Steven Mark?s TPU ?

Started by turbo, November 29, 2006, 04:13:49 PM

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Jdo300

#1235
January 06, 2007, 07:38:59 PM
Hi GK,

Quickie question for you. How did you connect your transistors to your 555 IC's? I just made a trip to the electronics store and a grabbed a bunch of supplies to build the control circuit, including 4 IRF840's that Otto used for his tests. Are there any diagrams I could grab quickly for the pulse circuit?

God Bless,
Jason O

AhuraMazda

#1236
January 06, 2007, 07:50:53 PM
Well, "lamp wire" could be anything. There are lamp wires made of Nickel plated strands. Of course Nickel is ferro-magnetic.

@GK,
Yes you should start a new thread.

AM

giantkiller

#1237
January 06, 2007, 08:32:56 PM
Quote from: Jdo300 on January 06, 2007, 07:38:59 PM
Hi GK,

Quickie question for you. How did you connect your transistors to your 555 IC's? I just made a trip to the electronics store and a grabbed a bunch of supplies to build the control circuit, including 4 IRF840's that Otto used for his tests. Are there any diagrams I could grab quickly for the pulse circuit?

God Bless,
Jason O
555 output to 100 ohms to the tip41b base, emitter to ground, then the collector to one of the coil freq connections.  Otto put 12ohms but I use 2 parallel 10ohm-10 watt for 5 ohms on the collectors.
Simple?
--giantkiller. Sorry about latency.

AhuraMazda

#1238
January 06, 2007, 08:43:00 PM
@GK,
In one of his German posts Otto removed the (collector) resistors all together. Can a Geman speaker/Otto please verify.

AM

Jdo300

#1239
January 06, 2007, 09:37:36 PM
Quote555 output to 100 ohms to the tip41b base, emitter to ground, then the collector to one of the coil freq connections.  Otto put 12ohms but I use 2 parallel 10ohm-10 watt for 5 ohms on the collectors.
Simple?
--giantkiller. Sorry about latency.

No Problem. Thanks for the clarification. So then I'm assuing that the + marked on Otto's diagram is where the feedback coil connects to the positive side of the DC supply?

God Bless,
Jason O
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