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coil info



Original poster: "david baehr" <dfb25@xxxxxxxxxxx>


1.Ballast Target was for a range of 6 to 15 amps at 240 v

2. 150 turns on the ballast , 4" by 2" CORE

3. I used an 'E' and 'I' core center winding section 4" by 2" , 2" windows and outer legs are 2" by 2" . the movable 'I' is 2" by 1.75"

4. Not sure of current when failed , maybe 12-13 amps

5. Variac was at about 160v

6. cap is APPROX .019mfd

7.Homemade , TCBOR ,rolled poly in oil

8. -----------

9. Safty gap set at 3/4"

10. Yes, SRSG wa sadjusted at low variac settings

11. dont know inductance ,, 1/4" tubing , inside is about 6.25" dia. taped at the 8th turn, which was about 16" dia at that point. I have 12 turns available , spacing between turns about 3/8" or so.

12. No idea

13. No , no scope , or even the knowlage on how to use one

thanks for your time and input Gerry! I am more of a rule of thumb, seat of my pants coiler with little electrical knowlage , thanks again ,dave