[HBR] modifying the 262kHz K-Tran IFs to 100kHz

[Edward Swynar]

Hi All,

Would it not make sense to have mounted these capacitors OUTSIDE of the IF
can, directly to the appropriate terminals and in parallel with each
winding, that way...?

~73~ Eddy VE3CUI - VE3XZ


*******************************************

----- Original Message -----
From: "Tim Shoppa" <tshoppa at wmata.com>
To: <HBR at mailman.qth.net>
Sent: Monday, March 16, 2009 8:18 AM
Subject: Re: [HBR] modifying the 262kHz K-Tran IFs to 100kHz


> KC9KEP writes:
>
> > While I was trying to slide
> > the coil, I suddenly realized that the plastic coil form
> > was starting
> > to bubble up for the heat & was turning to mush!
>
> The heat from the heat gun will heat up the lowest-density
> lowest-heat-capacity materials first... and this means the
> coil form unfortunately.
>
> For a lot of purposes working with wax, the double
> boiler in the kitchen comes in handy.
>
> But... with these god-dang polystyrene coil forms, the coil form
> may begin to turn gooey below the melting point of water.
>
> I hate polystyrene coil forms (all so popular from the HBR era)
> with a vengeance. Melted way too many of them when I was
> a kid.
>
> Tim.
>
>
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