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 Post subject: AK 40 wire gauges?
PostPosted: Feb Mon 16, 2004 6:57 am 
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Joined: Jan Thu 01, 1970 1:00 am
Posts: 48
Location: Midwest
How many gauges of wire will I need to rewire an AK 40? It looks like there are 5-6 different gauges, but all the old posts I've read only mention three - 18, 20, and 22. Any suggestions?<P>------------------<BR>"I'm new at this...please don't shoot."


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 Post subject: AK 40 wire gauges?
PostPosted: Feb Mon 16, 2004 7:58 am 
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Location: Maryland 20709, USA
Hi Tim,<P>You could use #18 for everything (except coil windings). Or you could use #18 for the filament circuit and #20 or #22 for everything else. The wire gauge is generally not critical, but you want to use the heavier wire in the high-current filament circuit.<P>I'm wondering where you found the gauges mentioned. I've never seen a reference to wire sizes. I normally measure them if I need to know.<P>------------------<BR>73 de Leigh W3NLB | | Leigh@AtwaterKent.Info<BR> <A HREF="http://www.AtwaterKent.info" TARGET=_blank>http://www.AtwaterKent.info</A>


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 Post subject: AK 40 wire gauges?
PostPosted: Feb Mon 16, 2004 8:39 am 
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Joined: Jan Thu 01, 1970 1:00 am
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Location: Midwest
Thanks Leigh! Here is the older post I was referring to:<BR> <A HREF="http://antiqueradios.com/forums/Forum11/HTML/001778.html" TARGET=_blank>http://antiqueradios.com/forums/Forum11/HTML/001778.html</A> <P>When I mentioned 5 or 6 gauges, I was talking about what it looked like inside my radio.<P>Timnic<P>------------------<BR>"I'm new at this...please don't shoot."


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 Post subject: AK 40 wire gauges?
PostPosted: Feb Mon 16, 2004 8:47 am 
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Oh, yeah... I remember that one. At least I'm consistent <IMG SRC="http://antiqueradios.com/forums/smile.gif"><P>I personally prefer solid wire. It stays where you put it. Other people like stranded. I don't think breakage is a concern. After all, stranded wire is just a bunch of solid wires inside a common jacket. And a little solid wire will break more easily if nicked than a big solid wire.<P>------------------<BR>73 de Leigh W3NLB | | Leigh@AtwaterKent.Info<BR> <A HREF="http://www.AtwaterKent.info" TARGET=_blank>http://www.AtwaterKent.info</A>


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 Post subject: AK 40 wire gauges?
PostPosted: Feb Mon 16, 2004 8:54 am 
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Joined: Jan Thu 01, 1970 1:00 am
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Location: Southern Ga.
I hope no one has to feel like they will be shot for asking a question on this forum. I have noticed several statements like this from others back.<P>------------------<BR>Rodney


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 Post subject: AK 40 wire gauges?
PostPosted: Feb Mon 16, 2004 4:21 pm 
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Joined: Jan Thu 01, 1970 1:00 am
Posts: 48
Location: Midwest
Yeah, the "please don't shoot" thing is just kind of a joke because I was scared to even post. I literally know NOTHING about radios and electronics, but I really want to learn. I have been on some computer forums before where the membership is really rude and impatient with newcomers. Thankfully, you guys have been GREAT! Thank you for being generous with your time and skills. Have a good President's Day!<P>Timnic <P>------------------<BR>"I'm new at this...please don't shoot."


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 Post subject: AK 40 wire gauges?
PostPosted: Feb Mon 16, 2004 4:48 pm 
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Joined: Jan Thu 01, 1970 1:00 am
Posts: 48
Location: Midwest
I went ahead and changed that signature. I came up with one that's funnier...I think.<P>Timnic<P>------------------<BR>Married to a card holding member of WAPSBINO; Wives Against Power Supply Baking In New Oven!


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 Post subject: AK 40 wire gauges?
PostPosted: Feb Mon 16, 2004 5:00 pm 
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Joined: Jan Thu 01, 1970 1:00 am
Posts: 30698
Location: Pocasset, Cape Cod, MA
Wire gauge is more a mechanical question than electrical: does it look right, does it stay where you put it, and can you buy it? Where I work, we stock stranded teflon in #16, 18, 20, 22, 24 and 26, some gauges in 20 different colors. Most of the instrument wiring is #24 or 22, with the heavier gauges used as needed to carry more current.<P>Teflon looks a bit out of place in a radio and is difficult to strip until you get the hang of it, but it solders well (it's always silver plated, for manufacturing reasons). PVC has always been more common for repair and hobby work, and I think fabric-covered wire is available where the authentic look is important. You can use old wire; discarded TVs and appliances are full of it, but it takes more work to solder: better cleaning, or a more active flux. That's another whole topic.<P>Heater circuits in old radios can carry a lot of current: at 1 to 2 amperes per tube, it adds up fast. This causes a voltage drop in the wire. You can calculate the drop from the ohms-per-foot numbers in the wire tables, or you can measure the AC voltage at the tube socket and use as large a wire gauge as needed to keep that voltage up to spec.<P><P>------------------<BR>


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 Post subject: AK 40 wire gauges?
PostPosted: Feb Mon 16, 2004 6:18 pm 
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Joined: Jan Thu 01, 1970 1:00 am
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Location: Freeport, LI, New York 11520
Hi Guys...<BR>Interesting thread...wouldn't it be great if there was a look-alike spaghetti or shrink tubing that resembled the insulation that was crumbling apart under your chassis? (er,before it was crumbling apart,that is)Nine times out of ten the wire itself is good...it's just the insulation that can drive you nutz! I've resheathed wires with PVC spaghetti and it just dosen't look the same,and shrink tubing looks too puny when its applied. Maybe something like a cloth covered spaghetti would be just the ticket?<P>...Jim<P><BR>"...on the trailing edge of obsolesence"<P>------------------<BR>


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