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B Eliminator by France Engineering Cleveland - circuit needed
Croydonradio
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#1

07-26-2023, 06:29 AM
Hello,
I have a B eliminator power supply made by France Engineering Cleveland, Ohio.  Would like to restore the wet capacitor, which appears to be multi-sectional.  Anyone heard of this company? Would like to obtain a circuit re: the value of those individual capacitors. Found a reference re: battery chargers made by this company but nothing related to power supplies.


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Chas
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#2

07-26-2023, 10:10 AM
The cap is Mershon, generally 8mf but may have a section in some radios up to 18mf. I replace the entire cap with a vegetable can (so I have a platform for a terminals strip). One could install insulated feed through into the can and mount caps inside. In view that modern caps only have 5 yr life easy access for replacement is desirable.

Gutting the Mershon is a fool's folly as well as messy and serves no purpose other than to brag "yes I can, can" Icon_smile)

If the chokes can be measured and are around 30hy, 2-4mf is fine. At that value metalized will be O.K. and have an unlimited life. In the 20's, accomplishing 4 mf in a paper cap was done with multiple .5 units

Mounting a perfboard or a double terminal strips with brackets will make for a neat repair. Arranging the cylindrical metallized in even, "cord-wood" rows..

As always, when suggesting:

YMMV...

Chas
Pliny the younger
“nihil novum nihil varium nihil quod non semel spectasse sufficiat”
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David
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#3

07-26-2023, 12:44 PM
Some info that might help. David  https://philcoradio.com/phorum/showthrea...#pid148588  Second Link.   https://www.philcoradio.com/phorum/showt...p?tid=1372
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David
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#4

07-28-2023, 08:24 PM
Did a search using France manufacturing corporation found Radio-Engineering-1926-12 as a PDF which is to big to post has lots of info on battery eliminators.
(This post was last modified: 07-28-2023, 08:25 PM by David.)
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Croydonradio
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#5

07-29-2023, 05:25 AM
Thank you David. I too have been checking in radio literature and looking at https://worldradiohistory.com in particular.

what i'm looking for now is anything on model M814 condensers by Mershon. I think it might mean 8 mfd total (2 mfd on each anode).

Thanks again.
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David
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#6

07-31-2023, 05:08 PM
Some more links.  https://philcoradio.com/phorum/showthread.php?tid=15111    another   https://www.radiomuseum.org/r/amrad_mers...enser.html
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David
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#7

07-31-2023, 05:16 PM
A PDF  
.pdf condenserUS2050062A.pdf Size: 308.82 KB  Downloads: 138
another link https://www.radiomuseum.org/dsp_herstell...y_id=12027
(This post was last modified: 07-31-2023, 05:24 PM by David.)
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