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 Post subject: I must be crazy!
PostPosted: Dec Mon 04, 2017 2:52 am 
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Joined: Feb Tue 10, 2009 3:16 pm
Posts: 621
Location: zipcode 46235
But I'm doing it.

Building a 1925 Popular Mechanics 9 tube superhet portable. From Sept 1925

Also have built a folding loop antenna from a few issues before.

Chassis is pretty much done, building the cabinet. Speaker horn and batteries to follow.

Bill


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 Post subject: Re: I must be crazy!
PostPosted: Dec Mon 04, 2017 3:05 am 
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Joined: Jan Thu 01, 1970 1:00 am
Posts: 1672
Location: Monroe, NC 28112 USA
Great work so far... Making a 20s set was on my bucket list for retirement time.... I built a 3 dial TRF in a plate glass case.

I'll be looking to see your progress...

All the best,,

Robert


Last edited by Robert Lozier on Dec Mon 04, 2017 3:12 am, edited 1 time in total.

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 Post subject: Re: I must be crazy!
PostPosted: Dec Mon 04, 2017 3:10 am 
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Joined: May Fri 04, 2012 10:39 pm
Posts: 1379
Location: Hidden Valley, AZ
Labors of love are a good thing! :D

DDG

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Workin' my Gramophone in a smartphone world.


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 Post subject: Re: I must be crazy!
PostPosted: Dec Mon 04, 2017 3:15 am 
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Joined: Jan Thu 01, 1970 1:00 am
Posts: 1054
Location: Jackson, TN
Very cool Bill!

Please keep us informed.

Tim


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 Post subject: Re: I must be crazy!
PostPosted: Dec Mon 04, 2017 3:34 pm 
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Joined: Jan Mon 28, 2013 9:35 pm
Posts: 1025
Location: Santa Rosa, CA
After building a pile of regens have been thinking of doing a
superhet too. Nice job on yours!

Robert, what is the trick for cutting clean holes in glass? Picked up
a large stack of glass that is approx 8"x11" and 1/4 thick for the
purpose of making glass radios.
Steve

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 Post subject: Re: I must be crazy!
PostPosted: Dec Mon 04, 2017 4:47 pm 
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Joined: Aug Wed 26, 2009 1:50 am
Posts: 1380
Location: Mount Pleasant UT 84647 (from Coventry, UK)
That looks like a fun project. I hope it goes well.

Colin


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 Post subject: Re: I must be crazy!
PostPosted: Dec Mon 04, 2017 5:26 pm 
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Joined: Jan Thu 01, 1970 1:00 am
Posts: 1672
Location: Monroe, NC 28112 USA
Don't want to hijack this thread... But a quick reply...

I'm a total amateur at glass work and drilling 27 holes had me scared to death! I used Lenox diamond grit tubular drills. Drilled half way thru from each side. After a couple of trial holes in scrap glass plate, I went for the gold... I got through the five panels without cracking. Below are pages on my project.

http://kd4hsh.homestead.com/Quadraformer-00.html

Note on the last of nine pages at the very bottom is where you can download a narrative on my work.
http://kd4hsh.homestead.com/Quadraformer-09.html

Here are two pictures that are not on my current web pages... The tapered foam rubber washer is the one that joins a standard toilet bowl to the water tank.

Robert


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 Post subject: Re: I must be crazy!
PostPosted: Dec Wed 06, 2017 2:14 am 
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Joined: Feb Tue 10, 2009 3:16 pm
Posts: 621
Location: zipcode 46235
Hijack away...you build cool stuff...


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 Post subject: Re: I must be crazy!
PostPosted: Dec Sun 10, 2017 11:27 pm 
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Joined: Feb Tue 10, 2009 3:16 pm
Posts: 621
Location: zipcode 46235
Update, filling up the cabinet. This thing is going to be darn near bulletproof...and can threaten to take your arm out of its socket!

Speaking of socket, added the loop's socket as well.


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 Post subject: Re: I must be crazy!
PostPosted: Dec Thu 21, 2017 4:04 pm 
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Joined: Jan Mon 30, 2012 2:03 am
Posts: 366
Location: Port Orchard, Wa
Awesome! How did you get such a clean cutout on your grill board
and what material did you use?


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 Post subject: Re: I must be crazy!
PostPosted: Dec Wed 27, 2017 2:27 am 
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Joined: Feb Tue 10, 2009 3:16 pm
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Location: zipcode 46235
The material is just 1/4" plywood from Menard's.

As for cutting the pattern, I designed it on the computer, pasted it on. Got a scroll saw blade for the jigsaw, drilled a hole in each section to be cut, then just followed what I heard in an old commercial: "Stay within the lines, the lines are our friends." It's really not that hard. If I can do it, anyone can.


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 Post subject: Re: I must be crazy!
PostPosted: Dec Wed 27, 2017 3:14 am 
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Joined: Jan Thu 01, 1970 1:00 am
Posts: 1672
Location: Monroe, NC 28112 USA
Yep, What you said... The teeth should be approaching the 'good side' on the down stroke of the jig saw.

Some years ago I spotted a BIG chest of drawers being put out for trash...I'm guessing it was made in the 1950s or 60s.... Some serious damage in places but I saw it as something I could easily cut down for panels... The large drawer bottoms looked beautiful! About 3/16" thick plywood with unfinished mahogany veneer on the top side! I thought these would be great stock for grill work. Not so! Even though it was beautiful it was unbelievably brittle and splinters were being kicked up and down without the least provocation. :( I still have the sheets just because I can't seem to throw stuff away I guess...

Robert


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