If the different coils have a different number of windings and a different gauge of wire used then I can't see
the same module working as well on all coils.
It was found that for each gauge of primary wire
thickness, a particular number of turns produced a mini
mum number of revolutions required to produce the
specified secondary voltage. Increasing or decreasing
the number of primary turns away from this specified
number of turns in both cases increased the R.P.M.
required to produce the specified secondary voltage.
For example, for a primary winding wire of thickness
0.040 inches both 120 and 140 primary turns produced a
secondary voltage of 10 kV at 400 R.P.M. However,
the specified reference voltage of 10 kV was produced
at 350 R.P.M. for 130 primary turns. Similarly for pri
mary winding wire having a thickness of0.025 inches, a
primary winding having 130 turns required 450R.P.M.
to produce the desired 10 kV, a primary winding having
150 turns required 350R.P.M. to produce the secondary
reference voltage of 10 kV, but a primary winding hav
ing 140 turns only required 310 R.P.M. to produce the
same secondary reference voltage of 10 kV.
The number of turns in the primary winding of
the coils below.
Victa 195
Wico 190
McCulloch (Phelon) 200
Cheers
Max.
