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 Post subject: Cheap Ultradyne L-2
PostPosted: Mar Fri 22, 2019 9:10 pm 
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Joined: Apr Sun 01, 2012 9:55 pm
Posts: 10550
Location: Seattle, WA
Local Pickup Only. Starting bid $25, Buy-It-Now $45.
"This listing was ended by the seller because the item is no longer available." :roll:

https://www.ebay.com/itm/Ultradyne-Mode ... true&rt=nc

I think that would've been a score for $45. Somebody else got there first!


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Measure it with a micrometer, mark it with chalk, cut it with a chainsaw.
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 Post subject: Re: Cheap Ultradyne L-2
PostPosted: Mar Fri 22, 2019 10:41 pm 
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Joined: Jan Thu 01, 1970 1:00 am
Posts: 14153
Location: S. Dartmouth MA 02748-1225 USA
Ha, Ha, ha! :lol: :lol: Don't ya just love those "Rock-n-Roll" hard rubber chassis. I have a Freshman chassis like that...

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 Post subject: Re: Cheap Ultradyne L-2
PostPosted: Mar Fri 22, 2019 11:18 pm 
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Joined: Oct Sat 18, 2014 8:16 pm
Posts: 1501
Location: Galena, Ohio
Never seen a rubber chassis before. Was that common?


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 Post subject: Re: Cheap Ultradyne L-2
PostPosted: Mar Sat 23, 2019 12:02 am 
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Joined: Jan Thu 01, 1970 1:00 am
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Location: S. Dartmouth MA 02748-1225 USA
Stored in the attic, the compound flows at 135F or more. Certainly can be rebuilt on new Bakelite...

Chas

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 Post subject: Re: Cheap Ultradyne L-2
PostPosted: Mar Sat 23, 2019 12:05 am 
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Joined: Oct Sat 18, 2014 8:16 pm
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Location: Galena, Ohio
Ahh.. thought it was literally a thick/hard rubber chassis that I'd never seen before. :)


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 Post subject: Re: Cheap Ultradyne L-2
PostPosted: Mar Sat 23, 2019 1:15 am 
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Location: Seattle, WA
Yes, it is a sheet of hardened rubber, maybe 3/16" thick.

As Chas said, the rubber gets soft when it gets hot. If you wanted to rebuild the radio, you could strip all the parts off the rubber board and relocate them to a Bakelite board, solving that problem forever.

Although if you're gonna go to the trouble of stripping the rubber board, it may be possible to flatten it out and reuse it.

Don't know how common rubber boards like this were. Not as common as Bakelite boards, I'd say. We've also talked about one cathedral radio whose entire cabinet was rubber! I think a Music Master.


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