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Old 6th October 2007, 06:03 AM   #1
Tyimo is offline Tyimo  Hungary
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Default DIY Variac

Hi!

Would it be possible to build a home made Variac?
I would need a 300VA type to testing inductors and circuits.


Greets:

Tyimo
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Old 6th October 2007, 08:57 AM   #2
AndrewT is offline AndrewT  Scotland
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Hi,
If you were capable of making all the mechanical components to allow the mains to be tapped off the main winding, you would have a big problem sourcing all the materials suitable for reliable operation.

I doubt this could ever be a sensible and economic DIY proposition.

Try to buy one secondhand.
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regards Andrew T.
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Old 6th October 2007, 09:45 AM   #3
Tyimo is offline Tyimo  Hungary
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Thanks!

BTW: What is inside a Variac?? How is it looking? I have never seen any.

Tyimo
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Old 6th October 2007, 09:55 AM   #4
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Default All about variacs

look here
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Old 6th October 2007, 11:18 AM   #5
Tyimo is offline Tyimo  Hungary
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Thanks Cliff!

Very good site!


Tyimo
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