[R-390] Last question of the day: The "X marks the spot" hold down thingy

[Thomas Chirhart]

Likely built to spec considering the rocking and rolling of ships and the constant vibration from the propeller shafts and generators onboard ship- speaking from experience as a Tin Can Radioman…
73 Tom K4NCG RM2/USN back in the R-390 days..

Sent from my iPhone

> On Jul 8, 2021, at 5:25 PM, Doug Hensley <w5jv at hotmail.com> wrote:
> 
> Over the octal crystal plug-in, some R390A's have a light aluminum X-shaped hold down
> bracket which hooks to springs on its sides.
> 
> Okay, common sense tells me this not only is not necessary but is probably a pain in the
> patuit to remove & replace.   But, I want to ask anyway:  has anyone tried something like
> a capacitor hold down cap or ???
> 
> Thanks to all for the info & great banter here.  I'll try to behave tomorrow and let you
> guys get some rest 🙂 ....
> 
> Cheers,
> 
> Doug W5JV
> 
> 
> 
> 
> Visit https://www.qrz.com/db/W5JV for some great vacuum tube finds.
> 
> 
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