[Boatanchors] Globe King Panel Meters

[Jim Liles]

The meter is probably a taut band movement not D'Arsonval.  They were common 
at the time.  Nothing you can do to help.  Check to see if the armature is a 
jewel movement or a Taut band.

Kindest regards Jim

-----Original Message----- 
From: hwhall at compuserve.com
Sent: Friday, April 29, 2016 7:06 PM
To: wrl at mailman.qth.net ; boatanchors at mailman.qth.net
Subject: Re: [Boatanchors] Globe King Panel Meters

Wouldn't you want an RC or RL time constant to slow the meter down? For 
example, a R in series with the meter and a C across the meter? The R should 
limit the speed the C charges & thus what the meter indicates on its rise. 
The C is discharged by the meter's internal resistance & that should set the 
rate the indication falls. If it falls too fast it may be necessary to have 
additional resistance (R2) in series with the C across the meter, which then 
interacts with R for the rise time. Might be able to make it sorta work, 
though.


Wayne
WB4OGM



-----Original Message-----
From: Gary H. Harmon, Jr. <gharmon at idworld.net>
To: 'john fitzsimmons' <w3jn at yahoo.com>; 'WRL' <wrl at mailman.qth.net>; 
galaxy-wrl <galaxy-wrl at yahoogroups.com>; 'BOATANCHORS2 LIST' 
<boatanchors at mailman.qth.net>
Cc: 'Ron Eisenbrey' <ab5wg at satx.rr.com>
Sent: Fri, Apr 29, 2016 2:28 pm
Subject: Re: [Boatanchors] Globe King Panel Meters

Update from Ron,

Well, capacitor across the meter does not dampen the movement, no matter 
what value I try.  It is still a bouncing Betty.
I get about the same results with inductance in series.
Putting a permanent magnet near the meter really affects its response, 
unfortunately also the meter accuracy!
The best solution is to get a set of dampened meters like the Triplet 327 
series.   I will keep looking, they are common but hard to find.

73,

Gary H. Harmon, Jr. - K5JWK - HAM Radio and ATARI Archaeologist
6003 Archwood
San Antonio, TX 78239-1504
210.657.1549 h / 210.884.6926 c/t
210.657.1549 fax with prior notification
gharmon at idworld.net


-----Original Message-----
From: john fitzsimmons [mailto:w3jn at yahoo.com]
Sent: Friday, April 29, 2016 11:30 AM
To: WRL; galaxy-wrl at yahoogroups.com; BOATANCHORS2 LIST; Jr.Gary H. Harmon
Cc: Ron Eisenbrey
Subject: Re: [Boatanchors] Globe KIng Panel Meters

Put a .1 or .5 uF capacitor across them, that will dampen them nicely.



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