[HBR] HBR-17 On Youtube

[Peter Bertini]

Sweet to see the original Bill McKay HBR in operation! That
is the Holy Grail of HBR's in my opinion. A real
treasure, and a treat to see that it still exists and is being
used!  Wow, I am envious!

Pete
On 6/4/11, George N2APB <n2apb at verizon.net> wrote:
> What nice video of your newfound treasure in operation Scott!  I don¹t
> recall seeing other videos of the HBRs in action ... Quite a motivation for
> moving onward to complete my own Œ16, also with an Eddystone dial and an
> (outboard) Q-multiplier.
>
> Thanks for posting.
>
> 73, George N2APB
>
>
>
> From: <whitebear1122 at comcast.net>
> Reply-To: HBR Receiver List <hbr at mailman.qth.net>
> Date: Thu, 26 May 2011 03:29:55 +0000 (UTC)
> To: HBR Receiver List <hbr at mailman.qth.net>
> Subject: [HBR] HBR-17 On Youtube
>
>
> Out of the blue I was recently given an HBR receiver that the OT called an
> HBR-17. He said it's Bill McKay's variation of the HBR-16 with the addition
> of a Q-Multiplier and some other improvements. He also built it with the
> rare Eddystone dial. In fact the receiver came with the Eddystone receipt as
> well. Gosh those Eddystone dials are just fabulous albeit kind of a
> mechanical pain in the butt to implement.
>
> He had been looking for just the right ham to give the HBR to, one who knew
> what it was and appreciated it. A mutual friend introduced us. When we met I
> was sort of grilled about radios and the talk turned to the homemade radios.
> Lucky for me I knew alot about the history of the HBR's and a little about
> TC. The OT must have been satisfied because he decided to give it to me.
>
> The OT's family had told him that his stuff would go into the trash when the
> time came so the OT wasn't taking any chances.
>
> It hasn't been used since 1973 and kind of looks like it too. It had been
> sitting on the floor next to his operating bench all that time. I didn't
> clean it all for the video so you're seeing it in all it's glory. The
> receiver is coiled up for 20m in the video. I must say the Eddystone is
> still smooth after all these unused years. It came with a complete set of
> coils from 10m through 80m. I will mention that the coil box was marked
> "Precious" and irreplaceable coils for the HBR receiver.
>
> The youtube video is located at:
> http://www.youtube.com/watch?v=kqRSI99g1x8
>
> To power it after 38 years of being powered down, I brought it up over
> several minutes in a variac. I wasn't trying to reform the capacitors, but
> instead I wanted to avoid the sudden inrush currents that might occur from
> just plugging it in and turning it on.
>
> The receiver worked right off the bat and I found it to be completely
> stable, very sensitive, good audio although the AGC audio was a bit low in
> amplitude. I'm still learning how to use it.
>
> So as I now own a Bill McKay HBR-17, I can hardly wait to build my own
> receivers. I think I've finally nailed down the plan. I want to build an
> HBR-11 first and then an HBR-13.
>
> I'm still looking for a few of the unobtainium HBR parts. Looking for three
> Miller 1709 or 1710 ( I have one so far), 100 KC IF, and two 1730 1800 kc
> IF.
>
> 73, Scott WA9WFA
>
>
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