For a electrically secure project, glue vinyl counter top plastic material
to the plywood,,,,May as well make it professional looking too
Jimbo..Jim..K7RDX..
On Thu, Oct 24, 2019 at 6:14 AM Chris Wilson <chris@chriswilson.tv> wrote:
> Hello Jim,
>
> Could you not mount it on 4 round Teflon insulator posts internally
> threaded to divorce top and bottom mounting bolts from tying the choke
> electrically to the plywood?
>
> Tuesday, October 22, 2019
>
>
>
>
> Best regards,
> Chris 2E0ILY mailto:chris@chriswilson.tv
>
>
> JT> I'm going to stack 2 x identical sheets of 3/4" plywood
> JT> together in the new 24" rack.
>
> JT> The 127 lb Dahl 4H choke will sit dead center on the
> plywood. Is run of the mill
>
> JT> paint in a spray bomb conductive ? Or should I be using
> JT> indoor latex, outdoor latex... or something else, like BBQ
> JT> repair high temp paint ? Or perhaps fire resistant paint ?
>
>
>
>
> JT> 2x2 angle aluminum down each side of rack, with plywood on
> JT> top of em. Entire mess will be up off the bottom just
> JT> enough so I can get my hands underneath to tighten up the
> JT> 1/4-20 nuts. 1/4-20 is max size that will fit the 4 x
> JT> slotted holes in the 2 x angle steel's, at base of choke.
>
>
>
>
> JT> I don't trust the insulation breakdown..... which is just a
> JT> single sheet of....'fishtape' at bottom of each side of
> JT> choke. Fishtape partially torn on one side. Each sheet is
> 21 x 22.75
>
>
>
>
> JT> Only the top sheet and front and rear edges to be
> JT> painted. Its just for aesthetics. The choke is part of a
> JT> C-L-C experiment I am playing with these days..for a B+
> JT> supply. Choke has a 25 kv-65 A spst-nc kilovac ceramic relay
> JT> across it.... plus an adjustable spark gap. Spark gap is
> JT> just a pair of 1/4-20 silver plated brass screws..with 1/4-20
> JT> acorn nuts facing each other.
>
>
>
>
> JT> Jim VE7RF
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>
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