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#1
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Hi all,
Has anyone got detailed and correct info on aligning a Hammarlund HQ100? The admittedly poor copy I have seems to advise tuning the RF input transformer T1 at 6 mHz, which is impossible... it's the BC band. Maybe a decimal disappeared on this print? Hopefully, Nelson |
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#2
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Hi,
Possibly 0.6 MHz, or 600KHz. Tuneup for most any RX is the same.... twiddle the coil at the low end of the scale, cap for the high. At least so I was taught. Cheers, __ Gregg |
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#3
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0.6 Mhz. I recently aligned a HQ145 and the frequency for the BC band is 0.6 Mhz.
/s/ DD, W1MCE Nelson Gietz wrote: Hi all, Has anyone got detailed and correct info on aligning a Hammarlund HQ100? The admittedly poor copy I have seems to advise tuning the RF input transformer T1 at 6 mHz, which is impossible... it's the BC band. Maybe a decimal disappeared on this print? Hopefully, Nelson |
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#4
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On 9/11/07 9:37 PM, in article , "Nelson
Gietz" wrote: Hi all, Has anyone got detailed and correct info on aligning a Hammarlund HQ100? The admittedly poor copy I have seems to advise tuning the RF input transformer T1 at 6 mHz, which is impossible... it's the BC band. Maybe a decimal disappeared on this print? Hopefully, Nelson you can download the manual from BAMA. 6 mHz is correct for one part of the alignment. It doesn't matter what the band is used for. http://bama.edebris.com/manuals/ |
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#5
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"Don Bowey" wrote in message ... On 9/11/07 9:37 PM, in article , "Nelson Gietz" wrote: Hi all, Has anyone got detailed and correct info on aligning a Hammarlund HQ100? The admittedly poor copy I have seems to advise tuning the RF input transformer T1 at 6 mHz, which is impossible... it's the BC band. Maybe a decimal disappeared on this print? Hopefully, Nelson you can download the manual from BAMA. 6 mHz is correct for one part of the alignment. It doesn't matter what the band is used for. http://bama.edebris.com/manuals/ Thanks geek, Deek, and Don; I'm using the BAMA manual. Still think a decimal is not showing up on at least part of this copy. Will try to psych it out. Cheers, Nelson |
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#6
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Nelson Gietz wrote:
Hi all, Has anyone got detailed and correct info on aligning a Hammarlund HQ100? The admittedly poor copy I have seems to advise tuning the RF input transformer T1 at 6 mHz, which is impossible... it's the BC band. Maybe a decimal disappeared on this print? Hopefully, Nelson Nelson, I'm looking at an original HQ-100 book. There us no reference in the book for an adjustment at 6 MHz. As I read the alignment pictorial (Figure 7), the left rear-most can (T-1 antenna) is adjusted at .6 MHz. The right, front-most can (L-3 oscillator)is adjusted as follows: top slug is adjusted at .6 MHz, the bottom slug at 1.65 MHz. Does this help? |
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#7
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On Wed, 12 Sep 2007 09:59:59 -0500, Nelson Gietz wrote:
"Don Bowey" wrote in message ... On 9/11/07 9:37 PM, in article , "Nelson Gietz" wrote: Hi all, Has anyone got detailed and correct info on aligning a Hammarlund HQ100? The admittedly poor copy I have seems to advise tuning the RF input transformer T1 at 6 mHz, which is impossible... it's the BC band. Maybe a decimal disappeared on this print? Hopefully, Nelson you can download the manual from BAMA. 6 mHz is correct for one part of the alignment. It doesn't matter what the band is used for. http://bama.edebris.com/manuals/ Thanks geek, Deek, and Don; I'm using the BAMA manual. Still think a decimal is not showing up on at least part of this copy. Will try to psych it out. Cheers, Nelson Cheers! Good luck with the old girl :-) __ Gregg |
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#8
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"K3HVG" wrote in message ... Nelson Gietz wrote: Hi all, Has anyone got detailed and correct info on aligning a Hammarlund HQ100? The admittedly poor copy I have seems to advise tuning the RF input transformer T1 at 6 mHz, which is impossible... it's the BC band. Maybe a decimal disappeared on this print? Hopefully, Nelson Nelson, I'm looking at an original HQ-100 book. There us no reference in the book for an adjustment at 6 MHz. As I read the alignment pictorial (Figure 7), the left rear-most can (T-1 antenna) is adjusted at .6 MHz. The right, front-most can (L-3 oscillator)is adjusted as follows: top slug is adjusted at .6 MHz, the bottom slug at 1.65 MHz. Does this help? Yes, very much... that's exactly what I was hoping for. The BAMA Djvu and .pdf files are okay, but one does not show a decimal, and the other shows only a vestige... not much more than a pixel. If you blow it up enough on a graphics program, it's visible. That's a hazard with using scans, I guess. Along with some other things, it seems the primary on T1 got cooked at some time, and the rewind job was simply hand-spinning some enameled solid on there. It's in very good hands now, getting what I expect will be an excellent rewind... although we're still working out turn count and wire gauge for it. Nelson |
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#9
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If you're so inclined, and the re-wind isn't successful, give me the p/n
on the can and I'll see if I have one, here. I've had to scrap several beyond-all-hope Hammarlunds and maybe I have the correct can. de K3HVG |
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#10
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"K3HVG" wrote in message . .. If you're so inclined, and the re-wind isn't successful, give me the p/n on the can and I'll see if I have one, here. I've had to scrap several beyond-all-hope Hammarlunds and maybe I have the correct can. de K3HVG Thanks for the offer... I'll keep it in mind. After I sent the one off for rewind I was thinking maybe I should have looked inside the other three first. Continuity was good on all of them... but this one had been "rewound". Cheers, Nelson |
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