[TCML] Baffles Gary Lau`s investigation

["Fritz W. Egli" <fritz@xxxxxxxxxxxxxx>]

Dear Gary,

My experiances with internal flashover on secondaries, (Your investigation).
Only 2 coils made so far. (Iam still in the starting grid). I give you all
parameters I believe that coud be of importance for your evaluation.

No.1 coil:  6/30 NST feed;   No wire ends inside coilform;   No laquer cover
on coilform before winding;   No laquer inside coilform;   Coilform inside
(and outside) carefully cleaned, degreased before fitting endplugs; No
vapors from cleaning remained inside coilform when endplugs fitted;   Coil
outside protected with 4 (or 5) coats Acryl spray;   Coil aspect 3,31
(short..);   Spark performance: aprox. 135% of coil length (40cm sparks);
No internal baffles;  Never internal flashover.

No.2 coil:   13,2/50 NST feed;   No wire ends inside coilform;   No laquer
cover on coilform before winding;   No laquer inside coilform;   Coilform in
(and out) side carefully degreesed before endplugs fitted;   No vapors from
cleaner left inside coilform before endplug fitting;   Coiloutside
reinforced with 5 coats of acryl laquer;   Coil aspect: 4,63;   Spark
performance aprox. 180% of coil length (90cm sparks);   No internal baffles;
No internal flashover.

Regards from the Swiss alps,
Fritz




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