John Popelish wrote:
In such a large beast, at the intended frequency of operation,
unintended parasitic effects may be as big as the intended inductive
effect. These are the problems that make designing good (as in, "act
as lumps of inductance") coils interesting.

Actual time delay of current through 100 turn 10tpi 2 inch diameter ten
inch long inductor:

http://www.w8ji.com/inductor_current_time_delay.htm

73 Tom