Joule Thief

[jeanna]

and i get to thinking lol ...      how bout ....   mk2 style ....  hv 1 side low v high current the other lol lol 

ist!

Cool idea,
Did you try it yet?

@MK1
When you get those high numbers on your rectified voltage, do your lights go dim ever?

I just popped a bunch of ones I made before, (so I don't repeat them) and I see again that some that should have gotten better got worse and I am still surprised.

Do you get reversals in amount of light too?

Also, MK1, when you put together your secondaries in series, did you get a better result than if you had just continued with a single longer secondary?
I am afraid I do not understand the reason for many secondaries connected in series. Could you please explain?

thank you,


jeanna

[Pardon]

Hello all please correct me if i am wrong but the transistor used 2n2222 or 2n3904 makes a big difference in length of wire going to the base or collector. in my testing i have found that if the same length wire is not used. the shorter wire has to go to the base on a 3904 and on the 2222 it has to go to the collector.

this may or may not help getting JT's to work the first time

just trying to help and thanks to all for the great information

[TheNOP]

Hello all please correct me if i am wrong but the transistor used 2n2222 or 2n3904 makes a big difference in length of wire going to the base or collector. in my testing i have found that if the same length wire is not used. the shorter wire has to go to the base on a 3904 and on the 2222 it has to go to the collector.

this may or may not help getting JT's to work the first time

just trying to help and thanks to all for the great information

2N3904 can only switch one-third the current of the 2N2222 , but otherwise has similar characteristics.

what do you mean by the shorter to the base and longer to the collector ?
i don't see why one would need a shorter wire on the base and the other on the collector.
you have a picture of what you meant ?

[resonanceman]

Hello all please correct me if i am wrong but the transistor used 2n2222 or 2n3904 makes a big difference in length of wire going to the base or collector. in my testing i have found that if the same length wire is not used. the shorter wire has to go to the base on a 3904 and on the 2222 it has to go to the collector.

this may or may not help getting JT's to work the first time

just trying to help and thanks to all for the great information

hello Pardon

From what I have seen  the   wires can be equil  or  different ......it doesn't seem to matter  that much ......at least not  if you  are looking for  maximum  voltage from a secondary 


gary 

[innovation_station]

@jeanna no

i did not try it yet i dont think i need to lol ...  i has to work ... lol 

i did manage to wind up my first pickup coil .. 

30 strands 22 ga 12 '  when i finished TWISTING IT   i have 8'4"

so 60 ends ..  30 outputs .... 1 wire     lol

looks like 15x15 up and back ...   

trying 5 turn primaries ...  lol as the speck sheet test of the cores ... used 5 turn 

and i like the out of 5 

ist!