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Re: [TCML] finishing a secondary - would insulating foam be a good idea?

The baffles you already have inside the form will be fine to prevent
arcing.  Expanding foam might be useful if you intend to use the coil
for a secondary purpose such as an emergency flotation device.

>> I am finishing my 4 inches/10 cm diameter secondary, fitting a few PPE disks
>> inside to prevent arcing and a couple at the ends to help fitting with
>> primary base and the topload respectively
>> Would it be a good idea to fill the secondary tube with insulating foam to
>> further prevent internal arcing? The foam is the one that come in canisters
>> and expands and harden once sprayed. Polymer is either polyurethane or
>> polystyrene.
>> Many thanks for your comments,
>> Thomas
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