[ARC5] Vibrator Power Supplies

[Richard Knoppow]

----- Original Message ----- 
From: "Robert Eleazer" <releazer at earthlink.net>
To: <arc5 at mailman.qth.net>
Sent: Friday, December 07, 2012 5:35 AM
Subject: [ARC5] Vibrator Power Supplies


> Two questions:
>
> 1.  Why did they not use vibrator power supplies instead 
> of dynamotors in WWII?  They ought to be cheaper and 
> easier to build.
>
> 2.  I have the transformers out of an old RCA Carfone 
> vibrator power supply.  Tried to make a DC power supply 
> out of them.  They do not work all that well with 115V 
> 60Hz on the secondary.  Anyone know why?
>
> Wayne
>
    I think because dynamotors may have been more reliable 
and also put out more nearly pure DC.


--
Richard Knoppow
Los Angeles
WB6KBL
dickburk at ix.netcom.com