Re: [Boatanchors] meter shunt

[Wilson Lamb]

What, is there someone who doesn't have experience with 150 Amp measurements! 
See: 150 amp meter shunt - Bing 
Most are impressively heavy chunks of conductor, mostly brass looking. 
You are right aboout calculating the value, except the shunt has to be very 
comfortable at the rated current and have enough mass to not get warm enough to 
change value. 
I'm sure real shunts have some design effort to maintain near zero tempco. 
I have some meter/shunt sets I sell for $20. 
If I have an extra shunt, you can have it for $10. 
There are 50mV shunts for most any current you want. 
The really tricky thing is that you can file the shunt to reduce its corss 
sectional area and trim its sensitivity, but only upward. 
You can use flat iron or brass bar stock to make one. 
You have to drill and tap or drill through holes for attaching the wire with 
husky bolts. 
You aren't dealing with much resistance, so you want to be sure there's no 
chance for the terminals to change their connection quality. 
WL 
    

-Original Message-

From: WA5VGO 
To: w2iy 
Cc: boatanchors 
Date: Sunday, 27 June 2021 8:05 PM EDT
Subject: Re: [Boatanchors] meter shunt

https://skycraftsurplus.com/products/dc-ammeter-shunt-150-amp-for-50-mv-movement.html

> On Jun 27, 2021, at 6:50 PM, Michael Tortorella via Boatanchors 
>  wrote:
> 
> Folks, I am holding a 150-amp DC meter whose native full scale is 50
> millivolts. If I have done my Ohm's Law correctly, the required shunt is
> 0.00033 ohms. Not in the Mouser catalog :-) :-) Is this just like 8 inches
> of #18 wire or something? Advice welcome. aTdHvAaNnKcSe and 73, Mike W2IY
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[Boatanchors] MFJ 989C Tuner Repair

[Wilson Lamb]

I have one of these with a classic MFJ booboo inside.
The brass runner on the roller coil was not machined correctly and will not 
stay engaged with the coil.
I'm planning to machine one, but wonder if anyone has a junker from which I 
might get a runner, or  even a whole coil?
Taking the coil apart is a real PITA, but it's either that or part out/sell off 
the unit
Wilson
W4BOH
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[Boatanchors] MFJ 984 Tuner

[Wilson Lamb]

Does anyone have a manual for the MFJ 984 tuner, or know where to find it 
online?
Thanks,
Wilson
w4BOH
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[Boatanchors] Boatanchors Used on Boats

[Wilson Lamb]

I just read the incredible bio of Elizebeth Friedman, a pioneer cryptanalyst.
Aside from crucial contributions to WWI AND WWII crypto work, she ran the Coast 
Guard's 
crypto shop that chased rum runners during Prohibition.
Does anyone have info on this work, the radios or people involved? 
I'm guessing there were a couple of radio wizards to whom the bootleggers 
turned for their designs/installations, given the necessity for discretion...
The book is "The Woman who Smashed Codes" and it's in some libraries or pretty 
cheaply on Ebay.
Her husband, William, was also a crypto pioneer who gave heroic service, at the 
expense of his health.
Wilson
W4BOH
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[Boatanchors] RCA 1496 Byrd Antarctic RX

[Wilson Lamb]

It's been a while since I asked...
Does anyone have one, experience with one, or know where one is?
Or any original documentation?
It was the main RX for the 1928 first Antarctic expedition.
OSU has extensive Byrd material, but surprisingly little is technical.  Let me 
know if you want to talk about this.
I bought one book, The Radio Manual, by Sterling, that has a couple of pages.
These were VERY expensive, in the 20s, and many were used commercially, by 
airlines, for example, to communicate with planes and among their route 
stations.
But few survive and I've never seen a single article about them, except in 
Sterling.
Their secret weapon was the 22 tetrode RF amplifier, which provides 
considerable gain and isolates the 24 regen detector from outside influences, 
like frequency shift caused by antenna swinging..
73,
Wilson
W4BOH
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Re: [Boatanchors] Article on changing from 2 to 3 wire power cords

[Wilson Lamb]

BIZARRE!  
If you left the ground disconnected or, if the ground were poor, you'd have a 
real pile of hot stuff!
WL
- Hy Chantz  wrote:
> When I was a mere boy : )CQ Magazine had an article called "The 22 Watt 
> Monster".  It was a low-power CW transmitter, whose schematic featured a 
> grounded chassis and a one-wire plug.  It took me a LONG time after pondering 
> it to understand how it worked  
> 
> 73 
> 
> W2HY
> 
> - Original Message -
> From: "Wilson Lamb" 
> To: donro...@hiwaay.net
> Cc: boatanchors@puck.nether.net
> Sent: Thursday, August 8, 2019 2:20:34 PM
> Subject: Re: [Boatanchors] Article on changing from 2 to 3 wire power cords
> 
> And I thought I'd seen everything!!!
> That's a new one.
> WL
> - donro...@hiwaay.net wrote:
> > I recall listening to my uncle's shortwave radio and there was a  
> > ground wire going outside and to the metal plumbing pipe.   The AC  
> > cord only had one blade on the plug.  I think I was a teenager before  
> > I understood how that worked.
> > Don W4DNR
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Re: [Boatanchors] Article on changing from 2 to 3 wire power cords

[Wilson Lamb]

And I thought I'd seen everything!!!
That's a new one.
WL
- donro...@hiwaay.net wrote:
> I recall listening to my uncle's shortwave radio and there was a  
> ground wire going outside and to the metal plumbing pipe.   The AC  
> cord only had one blade on the plug.  I think I was a teenager before  
> I understood how that worked.
> Don W4DNR
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[Boatanchors] R.M. Hadley Transformer Catalog FOUND

[Wilson Lamb]

R.M. Hadley started making transformers and chokes in 1929, eventually evolving 
into a specialized maker of superquality iron for aerospace/military 
applications.
Their website has a brief history, including an archive of designs back to 
1933!!  https://www.rmhco.com/spec-drawings.php
I grew up playing with transformers and chokes, but had never been aware of 
Hadley until I found some in some vintage hardware I'm preparing to sell.
WL
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[Boatanchors] Hadley Transformers

[Wilson Lamb]

Does anyone have a catalog or link for data on vintage R.M. Hadley transformers?
Wilson
W4BOH
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[Boatanchors] AC Receptacle

[Wilson Lamb]

I'm looking for a flange mount AC outlet to repair a benchtop Variac, the blue 
grey one in metal housing.
Modest searching has failed to find one.
Any ideas?
Thanks,
Wilson
W4BOH
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Re: [Boatanchors] Crystal Grinding

[Wilson Lamb]

I found a set of plates and an old xtal.
Available if wanted.
WL

- Original Message -
> From: "infomet" 
> To: "Boatanchors" 
> Sent: Tuesday, January 1, 2019 5:34:33 PM
> Subject: [Boatanchors] Crystal Grinding

> I ground many FT-243 surplus xtals into the 80 and 40 novice bands when I was 
> a
> kid.
> Dad had a small balance weight, maybe 5-10gm, that was used for test.
> One just laid the xtal on the xmtr chassis, sat the weight on it, and read the
> freq. from a RX.  No need for a holder.
> One could, of course, use another xtal as a reference point.
> I bought xtals for a dime and sold them for 50 cents...but it took some time 
> and
> a little skill.
> Dad brought home two grades of carborundum dust, fine and finer...
> Your blanks are much larger, so I can imagine getting up to 25-20gm weights.  
> A
> few trials will tell.
> I doubt you have balance weights, so solder up a stack of coins, maybe 
> quarters.
> 
> Add one at a time, until you get good performance.
> Grind the bottom flat before the first try.
> I've thrown away quite a few loose plates from old large xtals.
> They would be good as the bottom surface.
> 
> Wilson
> W4BOH
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[Boatanchors] Crystal Grinding

[Wilson Lamb]

I ground many FT-243 surplus xtals into the 80 and 40 novice bands when I was a 
kid.
Dad had a small balance weight, maybe 5-10gm, that was used for test.
One just laid the xtal on the xmtr chassis, sat the weight on it, and read the 
freq. from a RX.  No need for a holder.
One could, of course, use another xtal as a reference point.
I bought xtals for a dime and sold them for 50 cents...but it took some time 
and a little skill.
Dad brought home two grades of carborundum dust, fine and finer...
Your blanks are much larger, so I can imagine getting up to 25-20gm weights.  A 
few trials will tell.
I doubt you have balance weights, so solder up a stack of coins, maybe quarters.

Add one at a time, until you get good performance.
Grind the bottom flat before the first try.
I've thrown away quite a few loose plates from old large xtals.
They would be good as the bottom surface.

Wilson
W4BOH
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[Boatanchors] 2C39 Tubes

[Wilson Lamb]

Does anyone need some 2C39?
I have no idea if they are worth anything.
Wilson
W4BOH
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Re: [Boatanchors] Canon Connectors

[Wilson Lamb]

I've put these on Ebay.
If you ask before they get a bid, I'll take them off for you.
WL
- On Oct 14, 2018, at 4:35 PM, infomet info...@embarqmail.com wrote:

> I have two Cannon bulkhead connectors to pass on.
> Male, six pins, WK-6-32S-A95, 15/16" square flange.
> I can send picture if needed.
> Wilson
> W4BOH
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[Boatanchors] Canon Connectors

[Wilson Lamb]

I have two Cannon bulkhead connectors to pass on.
Male, six pins, WK-6-32S-A95, 15/16" square flange.
I can send picture if needed. 
Wilson
W4BOH
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[Boatanchors] TCS Audio Transformer on Ebay

[Wilson Lamb]

Just listed NIB T201 audio output xfmr on Ebay, (Item ID: 113268003679)
Wilson
W4BOH




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Re: [Boatanchors] Old IC

[Wilson Lamb]

14 pin ceramic pkg with gold top and pins.
I wish someone needed some...there's one on Ebay for $35 or so!
Thanks,
WL


- On Sep 5, 2018, at 11:40 PM, MICHAEL TALLENT mwtall...@comcast.net wrote:

> What kind of package, how many pins?  Is it installed in something?
> 
> The 900 series was Diode-Transistor logic, the 950 was R-S flip-flop, 14 pin
> DIP or 10 pin Metal can.
> 
> Mike T  W6MXV
> 
> -Original Message-
> From: Wilson Lamb
> Sent: Wednesday, September 05, 2018 11:15 PM
> To: boatanchors
> Subject: [Boatanchors] Old IC
> 
> Can anyone identify an RD950D??
> Wilson
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[Boatanchors] Signal Shifters

[Wilson Lamb]

A few years ago, I got the bug to become a Signal Shifter collector and now I 
have five.
But it's time to start thinning, to avoid burdening others with a cleanup, so 
I'm testing the waters re selling them on to other caretakers.
I have the 1938, 1940, 1942, and military versions.  They look different, but 
are virtually identical, circuit wise.
I believe there was an early Shifter with one, or no, VR tube, but I haven't 
been able to find one.
They all work, with varying degrees of chirp and drift, but when warmed up can 
be decent, for casual use.
SO, is anyone interested in shifters?  I have several sets of coils and the 
military model has a full drawer of coils.
The '38, the oldest, is the one I'd sell last, but if someone were desperate we 
could talk.
I've enjoyed the Shifters and putting them in CX, but One is more than enough!
If you think you might be wanting a Shifter this is a good opportunity.  I'm 
not giving away, but not looking to get rich either.
Just let me know.  I really don't want to use Ebay, but will if necessary.
73,
Wilson
W4BOH
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Re: [Boatanchors] HT-41

[Wilson Lamb]

Forgot signature.
Wilson
W4BOH

- On Jul 2, 2018, at 2:20 AM, infomet info...@embarqmail.com wrote:

> A true BA.  Large boat at that.
> I have one that has been modified to use 4-125A tubes.  I think this included 
> a
> new filament xfmr, 5V, 15A.
> It works well, but the tetrodes just don't do much as GG triodes at the B+
> available.
> I want to either pass it on or make it more usable.
> One way to make it "better" is to convert the power supply to a bridge
> rectifier, which would get B+ up near 3500V, which the tetrodes would like.
> Does anyone have any idea whether or not the pwr xfmr center tap insulation
> could stand this?
> If someone has access to some 7094 tubes, I think it would be a snap to 
> convert
> back to them and have a stock HT-41.
> This amp is not pristine, of course, but it's quite presentable and would be a
> great unit for a Halli station, or anyone else.
> I'm 76 and have to start shortening my project list, oer I'd tear into it.
> It has a pair of solid state 866 replacements.
> I'd sell  it as is for $300, for pickup only in central NC.
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[Boatanchors] BC-610

[Wilson Lamb]

Can anyone tell me the TU number for the 1.5-2MC tuning unit?
I have one on Ebay and would like to have the correct TU number.
See 113045204915
Wilson
W4BOH
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[Boatanchors] Transformer ID

[Wilson Lamb]

I have a Sola pwr xfmr from a Motorola repeater, 80s vintage.
It has a heavy winding of about 20VCT, with 10 ga wire, a 6V winding and a 400V 
winding, low current.
The Sola number is 22-1251.
The Motorola number is 25D84516G01.
I can send a picture if anyone wants.
Thanks,
Wilson
W4BOH
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[Boatanchors] Window Line Matchbox

[Wilson Lamb]

My son uses a 135' OCFD and small MB with great results.
The OCF moderates the Z swings of the center fed flat top.
Have you changed line width to improve the situation?
WL
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[Boatanchors] Clipperton L Update

[Wilson Lamb]

OK, I got some useful inputs.
As it seemed, there was a metering problem.
I love radio forensics and got to use them here.
I won't give the gory details, but the PO had put a 1K resistor in series with 
the meter.
It was not a factor reading B+, since the meter is fed from a 100K source.
It was a BIG factor reading plate current, however, which is done by reading 
the voltage across a 0.05 Ohm resistor.
Nominally that's 50mV at one amp and the 20 Ohm meter would need about 40 Ohms 
to bring it in.
So why the 1K?  The PO was an accomplished engineer, experienced ham, etc, now 
SK, unfortunately, so I can't ask him.
I don't know what he did with the amp.  Maybe it was hacked by someone else.
Anyhow, I now have idling current as reported by people here, but I have not 
applied any RF.
The tubes, likely original (Cetron), are likely fine, since Ip is about 100mA 
in CW and 140mA in SSB.
SO there you go.  A dead stock Clipperton L in working condition.  
Trouble is, I have other amps and don't want to work on this one and it seems 
silly not to replace the filter caps, and maybe even the diodes.
Of course the Harbach board does it all for $100.
I'll report when I try some drive.
Meanwhile, if anyone wants it and can pick it up in central NC, let me know.
Wilson
W4BOH
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[Boatanchors] Clipperton L

[Wilson Lamb]

Any Clipperton users/experts out there.
I remember when they were the cat's meow, but I don't want to say how long it 
was.
I just got an unmodified one, dusty but seems OK.
Funny thing is, it shows almost no idle current on the meter.
IN CW position, it draws 1.5A from the line in stby and goes up to 3.5A in 
operate!
Thats over 200VA that doesn't show on the meter!
Not a bad meter, because the B+ reads fine.
Plate current is read as voltage across a 0.05 Ohm resistor, which I havent 
measured.
If I can find it, I'll put some current through it and measure the resulting 
voltage.
Meanwhile, I'd appreciate advice re updates, most common failure modes, etc.
Amazingly, the op manual says nothing about the operating parameters!
I'd like to sell it, but no bites on QTH.  
BTW, it has four original Cetron tubes, condition as yet unknown.
Thanks,
Wilson
W4BOH
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Re: [Boatanchors] Anyone know a source for replacement Hallicrafters FPM-300 bandswitch plastic toothed gear wheel?

[Wilson Lamb]

Amazon has gobbled up some of the small outfits, like Dan's Small Parts.
Here's some stuff: 
https://www.amazon.com/s/ref=nb_sb_noss_2?url=search-alias%3Daps=toothed+belt+pulleys=i%3Aaps%2Ck%3Atoothed+belt+pulleys
WL
- Mike Langner  wrote:
> Hello everyone !
> 
> I’m trying to bring an FPM-300 back to life.
> 
> Thanks to Greg Trook I have a correct replacement toothed belt for the
> bandswitch shafts that must turn together, but the transceiver I got from
> EBay some years back is missing one of the little nylon or plastic toothed
> gear wheels – the unit, of course, needs two of them – one on each of the
> two shafts that must turn together.
> 
> Might anyone know where I could obtain another one?
> 
> Nothing I’ve found (yet) at McMaster Carr comes close --
> 
> If none are available, I’ll look for someone with a 3D printer and see what
> it would cost to duplicate this one.
> 
> It’s not clear to me that a 3D scanner and printer could/would duplicate
> both the outer features (flanges and teeth) and also duplicate the unusual
> almost-oval hole for the shaft.  In order to make the little toothed belt
> gear wheel not slip on the control shaft, the control shafts are ¼ inch with
> two opposing flat sides, so drilling a round hold won’t work. 
> 
> Many thanks in advance for any guidance you can offer !
> 
> Mike/
> K5MGR
> ___
> 
>  
> 
> Mike Langner
> 929 Alameda Road NW
> Albuquerque, NM 87114-1901
> 
> 
> 
> (505) 898-3212 home/home office
> (505) 238-8810 cell
> mlang...@swcp.com
> 
>  
> 
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Re: [Boatanchors] Anyone know a source for replacement Hallicrafters FPM-300 bandswitch plastic toothed gear wheel?

[Wilson Lamb]

Biedler's Belts is incredible for belts and they have pulleys.  You don't need 
exact replacements, if you have the ratio right.  http://www.biedlers-belts.com/
For the hole, make a couple of shims to fill out the shaft.  If the setscrew 
isn't enough hold, make a dimple for it.
WL

- Mike Langner  wrote:
> Hello everyone !
> 
> I’m trying to bring an FPM-300 back to life.
> 
> Thanks to Greg Trook I have a correct replacement toothed belt for the
> bandswitch shafts that must turn together, but the transceiver I got from
> EBay some years back is missing one of the little nylon or plastic toothed
> gear wheels – the unit, of course, needs two of them – one on each of the
> two shafts that must turn together.
> 
> Might anyone know where I could obtain another one?
> 
> Nothing I’ve found (yet) at McMaster Carr comes close --
> 
> If none are available, I’ll look for someone with a 3D printer and see what
> it would cost to duplicate this one.
> 
> It’s not clear to me that a 3D scanner and printer could/would duplicate
> both the outer features (flanges and teeth) and also duplicate the unusual
> almost-oval hole for the shaft.  In order to make the little toothed belt
> gear wheel not slip on the control shaft, the control shafts are ¼ inch with
> two opposing flat sides, so drilling a round hold won’t work. 
> 
> Many thanks in advance for any guidance you can offer !
> 
> Mike/
> K5MGR
> ___
> 
>  
> 
> Mike Langner
> 929 Alameda Road NW
> Albuquerque, NM 87114-1901
> 
> 
> 
> (505) 898-3212 home/home office
> (505) 238-8810 cell
> mlang...@swcp.com
> 
>  
> 
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[Boatanchors] Navy Transformer

[Wilson Lamb]

This is going to be recycled if no one claims it.
I think it is from a shipboard PA system.
Not a Beachmaster.
I hope the link works.  If not, I'll fix later.
Wilson
W4BOH

https://www.dropbox.com/sh/w2byb7qntt8cuaa/AAClUsxPFE5l6q3RTB8_p8JBa?dl=0
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Re: [Boatanchors] 6L6-813 Homebrew CW Transmitter for Sale

[Wilson Lamb]

Sorry, I wrote my reply before seeing your description.
It's early for me!
WL
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Re: [Boatanchors] 6L6-813 Homebrew CW Transmitter for Sale

[Wilson Lamb]

Soon we won't be able to get rid of any of this stuff, so mentioning ebay is a 
good thing!
We need every possible method of locating people who might be attracted to BA 
stuff!
It looks like it might have been headed for 80m, but not finished?
Is there a plate cap?  I see some braid that might have one attached.
The neutralizing cap is VERY close, way too much for an 813, unless it's in 
some sort of bridge setup.
Even so, it's close for a normal 813 B+.
There's no link, so how could it be series fed?  
Is there a loading cap for a pi network output under the chassis?
Almost looks like something never finished, but why would the B+ be hooked up?
Maybe it was supposed to get a plate choke for parallel feed?

I was given a nicely built pair of 813 a few yr ago.
It was old and dirty, but one would think it had been in service at some time.
Not so!  The filaments were wired in series! and there were no parasitic chokes 
from the plate choke to the tubes.
It took under an hour to have it on the air, so someone got close but didn't 
get their reward!

Someone could strip the tank components and make something usable out of yours 
pretty easily.
Good luck,
Wilson
W4BOH

> I hesitated about mentioning an eBay listing, but it is a fixed price 
> buy-now, so I'm just getting more exposure for a pick-up item.
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[Boatanchors] Lysco VFO

[Wilson Lamb]

I still have this.

As if the Signal Shifter were not enough to eat all my radio time, I have 
recently been blessed by the arrival of an apparently quite early Lysco VFO. 
The case is grey, 6.5"W X 2.25"H X 4.75"D.  There is a twinlead output line 
and a grommet for power input and a small sliderule dial calibrated for 
80/40/20/10m.  There ia one slide switch on the panel, unser the dial and a 
knob for frequency setting.

There is a label, but the model number is faded.  My best guess on the 
number is 320.

I have googled and found the 321, but it's nothing like the one I have.

Anyone in BA land have any info on this??

Wilson
W4BOH 
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Re: [Boatanchors] Modern Hamming

[Wilson Lamb]

No, but I think she's shopping for a tray.  She doesn't like for me to have the 
silver stuff in my shack.
I once used a silver tray as electrode  to plate a tank coil...

WL

- Frank Barnes <fbw4...@gmail.com> wrote:
>Does Mrs. Lamb have a comment about this?Frank, W4NPN
On Fri, Sep 15, 2017 at 5:02 PM, Wilson Lamb <info...@embarqmail.com> wrote:
Now here's the way to really enjoy radio!!

>WL
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-- 
Frank Barnes
>W4NPN
>Chapel Hill, NC
>Grid Square FM05
>Cell 919.260.7955
>
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[Boatanchors] RCA AR-1496-B

[Wilson Lamb]

Does anyone have info on this RX?
Used by Byrd in 1928.
Wilson
W4BOH
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[Boatanchors] Admiral Byrd

[Wilson Lamb]

I'm interested in the radio equipment used by Adm, Byrd, for both Arctic and 
Antarctic expeditions. 
There were fixed and portable stations, including for airplanes and dog sleds.
There are many mentions of radio comms in books and reports, but of course no 
details like brands or circuitry.
Does anyone have citations to relevant information?
I am aware of the Polar Times.
Thanks,
Wilson
W4BOH
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[Boatanchors] Audio XFMR

[Wilson Lamb]

Family lore has it that this xfmr is from a "Battle Announcing Amplifier".
I doubt it was the portable Beachmaster, because there is a matching pwr xfmr 
that weighs more than 50 lbs!
Maybe a ship's PA system?
I'll try to post links to it.

https://www.dropbox.com/s/b4idxvtlqz48qlr/Audio%20Xfmr%20%281%29.JPG?dl=0

https://www.dropbox.com/s/b4idxvtlqz48qlr/Audio%20Xfmr%20%281%29.JPG?dl=0

The primary is labeled S,M,F.  Maybe start, middle, finish?  Never seen before.
Secondary is labeled with what look like a series of low impedances, speaker 
system?

The pwr xfmr is 2900VCT, about a foot square and 8" tall.  Would make at least 
a KW.

Info appreciated.  
Wilson
W4BOH

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[Boatanchors] Fwd: Re: NEW estate list - more coming I'm sure

[Wilson Lamb]

- Forwarded Message -
From: Wilson Lamb <info...@embarqmail.com>
To: RAY FRIESS <rayfr...@msn.com>
Sent: Wed, 16 Aug 2017 20:53:13 -0400 (EDT)
Subject: Re: [Boatanchors] NEW estate list -  more coming I'm sure

Yet another warning to us all to clean up the stuff while we can!
I'm fighting myself daily to weed out.  It's hard to admit that almost no one 
wants the big transformers or obsolete tubes I've taken care of for decades!
IMHO, if she can get 50% of current value from someone who will haul it ALL 
away she's doing OK.
Lots of it heavy and much of it has a very limited market.  How many hams do 
you know who know how to, want to, and have the time to nurse a Valiant into 
service?
Fun, sure, if you want it, recycling material if you don't.
The RS RXs are good SWL material, Grundigs too.  Good Ebay stuff, if someone 
has the energy to list it.
Perhaps advertising widely in the region and having an open house would shake 
out buyers?
I wish her well; you too,
Wilson
W4BOH

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Re: [Boatanchors] Loudenboomer II

[Wilson Lamb]

I have my Loudenboomer running, but the efficiency is not what I think it 
should be, getting about 50% max, at about 800W in, CW.
Does anyone have measurements of theirs?
The PS was a mess, with terminal strip cut out, but simple to fix.
Amp seems bulletproof and well made.
The B+ wants to run very high.  90V gives me 3KV at idle, even with the bleeder 
changed to 50K!
The cap is 3KV, so I don’t dare run w/o the Variac!
Next will be to try class C, with an appropriate grid leak.
73,
Wilson
W4BOH
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[Boatanchors] Fw: Coil Forms

[Wilson Lamb]

These sold immediately, so I ordered a dozen more sockets.
They take a while, but come in in fine shape, nicely packed!
So now I have a dozen sets available...six pin Meissner forms with new sockets.
Same terms, $5/set, plus post.
Help me clear out, please!
Wilson
W4BOH

From: Wilson Lamb 
Sent: Thursday, January 12, 2017 11:31 AM
To: BOATANCHORS 
Subject: Coil Forms

OK, guys, I have cleared out most of the trove of Signal Shifter coils and 
forms recently acquired.
It’s no surprise, however, that almost no one wanted any of the six pin 
forms/coils.
Since I don’t want them either, I have bought some of the Chinese six pins 
sockets on Ebay, for about $2 each.
I got six sockets, so am offering six sets of six pin forms and ceramic 
sockets.  Remember, some of these forms will have windings (Signal Shifter) 
that will have to be removed, at least partially.
So for five bucks, plus postage, you can get a nice, usable, coil form and a 
NEW ceramic socket.  I have six sets.
Wilson
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[Boatanchors] CAA Crystals

[Wilson Lamb]

I have two big old crystals, 1x1.5x2.25”, marked C.A.A.
One is on 398 KC, maybe a beacon, and one is on 4199.5, marked C.A.A.A.T.C., 
maybe it’s ground to air?  
If anyone is interested in them, I expect we could make a deal.
Wilson
W4BOH
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[Boatanchors] RME-69 Documentation

[Wilson Lamb]

I have several reprint items to pass on:
Antique Radios Thread
Technical Advertising Description
Schematic/Parts List
Service Manual

$5, mailed to you.

Wilson
W4BOH
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[Boatanchors] Rauland Variable Cap

[Wilson Lamb]

Can anyone ID this expensive, very heavy, variable cap?
It weighs over five pounds and must have been in something expensive!
Thanks,
Wilson
W4BOH

https://www.dropbox.com/s/1zqcyjk4esd4vf9/jse_Rauland1_%281%29.jpg?dl=0

https://www.dropbox.com/s/ytyrdpr659fpbjl/jse_Rauland1_%282%29.jpg?dl=0
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[Boatanchors] Comet Pro

[Wilson Lamb]

I think I forgot the link.
WL
Imagine my surprise at seeing this.
Never seen one for sale before.
Doesn’t have xtal filter.
WL

http://antiqueradios.com/forums/viewtopic.php?f=15=314168
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[Boatanchors] Comet Pro

[Wilson Lamb]

Imagine my surprise at seeing this.
Never seen one for sale before.
Doesn’t have xtal filter.
WL
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[Boatanchors] Six Pin Coil Forms

[Wilson Lamb]

Coils and sockets sold immediately...will get some more sockets.
Didn’t ask enough, I guess.
73,
WL
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[Boatanchors] Fw: Corrected CX Announcement

[Wilson Lamb]

Please circulate wherever you can, thanks,
WL

January 2017 CX Announcement.docx
Description: MS-Word 2007 document
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[Boatanchors] Signal Shifter Coil Forms

[Wilson Lamb]

I’m not bailed out of my hasty purchase yet, but there’s been great progress!
After filling several requests, I’m down to a BUNCH of six pin coil forms for 
stripping/reuse.
They are about 1.25X2” and many are for low frequencies, so one could actually 
strip down to a desired inductance, with a little calculation, or just start 
over.
So all you need are some six pin sockets!  If you really need coils, it might 
be worth it to buy some of the ebay sockets 
http://www.ebay.com/itm/1PC-310-6E5-UX6-42-366-6Pin-Ceramic-Vacuum-Tube-Socket-Valve-Base-DIY-Audio-AMP/191603607226?_trksid=p2045573.c100508.m3226&_trkparms=aid%3D555017%26algo%3DPL.CASSINI%26ao%3D1%26asc%3D38530%26meid%3D32e41f81bc1d4e3692ec2ae862b47f15%26pid%3D100508%26rk%3D1%26rkt%3D1%26
  to use with these.  That’s still less than many forms cost!
$2 each, plus post.
73,
WL

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[Boatanchors] Signal Shifter Coils

[Wilson Lamb]

Did you ever order a box lot or grab bag, hoping for bargains, that didn’t pan 
out?
I got about 50 Signal Shifter coils, hoping for ham band sets.
Well, I got two partial sets and LOTS of out of bands, unknowns, and blank 
forms, 4,5 and 6 pins.
Windings are easily stripped, of course.
So, if you are building rigs or receivers with plug in coils I’m your man!
Seems like $2 each would be a good deal?  I hear there is some demand.
Plus freight, but they are very light.
Wilson
W4BOH
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[Boatanchors] OLD CQ Mags

[Wilson Lamb]

1949 CQ, missing October.
$9, mailed 2 u!
Wilson
W4BOH
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[Boatanchors] Old CQ Mags

[Wilson Lamb]

I’ve had a set of 1950 CQ mag on ebay, with little interest.
They are $10, shipped 2 u.
Any interest?

I’ll also have some QST, so let me know if you want any of those, so I won’t 
have to mess with the listing.
WL
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[Boatanchors] TCS Audio Transformer

[Wilson Lamb]

I have a TCS output transformer listed on Ebay, 112205952509.
Wilson 
W4BOH
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[Boatanchors] Range Filters

[Wilson Lamb]

I have a couple of these, one Bendix.
I don’t know if they were for AN  ranges or not.
Labeled IN, RANGE, TEL, so I think the TEL is straight through and the RANGE is 
a bandpass on the range audio, MCW, I think.
Does anyone need one, or two.
Can make pictures if needed.
Wilson
W4BOH
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Re: [Boatanchors] Navigator and Heathkit A-1 Meters

[Wilson Lamb]

Capacitor?
WL

-Original Message- 
From: Gary Franklin 
Sent: Friday, October 14, 2016 10:55 AM 
To: Boatanchors 
Subject: [Boatanchors] Navigator and Heathkit A-1 Meters 

Is there a solution for snubbing/taming  the meter action on the Johnson 
Navigator and Heathkit AT-1 meters?


Gary

K8BKB

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[Boatanchors] QST

[Wilson Lamb]

1973 issues available for postage.
Wilson
W4BOH
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[Boatanchors] Manuals

[Wilson Lamb]

I’d like to pass on manuals for things I no longer have:
Kenwood TS-520S  nice original
Drake   TR-3   nice original
RME 69   copies of sales blurb
factory service manual
J.F. Rider schematics, voltage 
chart, parts list
$10 each, mailed to you.
Wilson
W4BOH
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[Boatanchors] PE-104-A

[Wilson Lamb]

I have listed the PE-104-A on Ebay, if you are interested.
It needs a new home.
http://www.ebay.com/itm/-/112135126591?
WL
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[Boatanchors] PE-104-A

[Wilson Lamb]

I have one or two of these, but don’t know what they are for.
Can someone point me toward a source of info?
Offers accepted, too.
Wilson
W4BOH
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[Boatanchors] Radio Shack Catalog

[Wilson Lamb]

1978
I don’t see ham gear, but there is some CB.
“Free” for food bank contribution.
Wilson
W4BOH
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[Boatanchors] LM Freq Meter

[Wilson Lamb]

I have an LM, PS, and cables.  Also 20 lb of new Navy spares, almost all in 
original packaging.
Is there any interest in this among Anchorites?
I could likely deliver to Shelby.
Wilson
W4BOH
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