Joule Thief

[TheNOP]

Do they make 80" tubes?

there are 8 feet commercial tube.

and if i remember right, they don't have heating filaments at their ends...

[xee2]

@ jeanna

Can you compare your 3" toroid results with stprue's 3" toroid results. It seems to me that you are using the same toroid and transistor but he is getting over 800 volts out and is able to easily light two tubes but you are only getting about 400 volts out and have difficulty lightling one tube. Why do you think the results are so different? Thanks.

PS - I bought some 3" toroids and I am trying to decide what to do with them. They sure are big.

[jeanna]

@ jeanna

Can you compare your 3" toroid results with stprue's 3" toroid results.
...
PS - I bought some 3" toroids and I am trying to decide what to do with them. They sure are big.

And heavy too. Cool, I am glad you have these too. That's 3 of us.
edit:
I found it.
I must have been asleep. I even responded.

...

I will put together some contrasts.

The first big one is about 2 inches of windings. His is filled up and mine has lots of room.. well maybe not that much but over an inch..

He uses Hazens design primary as do I
I used 24 gauge newbie wire and he filled his up with 30 gauge. mmm that is most likely it.

He also uses the wall for power so it would be nice to see how long a AA lasts with this biggo with someone else's set up.

jeanna

[Mk1]

@jadaro

Tell me did you try top rap the coils in aluminum foil?

Mark

[electricme]

@TheNOP

yes.
AC and DC can share the same wire and still be considered separate components.

there is also a particularity with AC.
you can have a lots of different signals in the same wire and still be able to separate them.

Thankyou.
jim