[ARC5] BC-454-B Dymamotor Question

[Bob Macklin]

I worked in a gunsight field maintenance shop in Korea in 1953.

We did no mechanical repairs. The most complex thing we did was test and 
replace tubes.

The flightline techs just swapped black boxes.

Bob Macklin
K5MYJ
Seattle, Wa.
"Real Radios Glow In The Dark"
----- Original Message ----- 
From: "Scott Johnson" <scottjohnson1 at cox.net>
To: <kgordon2006 at frontier.com>; <ARC5 at mailman.qth.net>
Sent: Saturday, January 19, 2013 7:58 AM
Subject: Re: [ARC5] BC-454-B Dymamotor Question


>I would have assumed most of the "techs" were none too savvy in that era.
> Ball bearings in general would have been quite novel in those days, and 
> even
> now, most people don't know how to handle, install, clean, lubricate, or
> pre-load them properly.  Radio specialists during the great war were
> processed through signal corps school in a not too effective fashion, and
> even if they did retain most of what they were taught, they had precious
> little experience when they hit their duty station, and not too much time 
> to
> hone those skill afterward.  They probably did the best they could by
> swapping parts.  I would assume the "tough dog" problems were relegated to
> the junk pile.  The great logistics monster that was created during WWII
> eventually made deep troubleshooting and repair unnecessary (Witness the
> huge amount of surplus now in our hands that causes us to ponder these
> things now, some seventy years on.
>
>
> Scott W7SVJ
>
> -----Original Message-----
> From: arc5-bounces at mailman.qth.net [mailto:arc5-bounces at mailman.qth.net] 
> On
> Behalf Of Kenneth G. Gordon
> Sent: Friday, January 18, 2013 5:33 PM
> To: ARC5 at mailman.qth.net
> Subject: Re: [ARC5] BC-454-B Dymamotor Question
>
> On 18 Jan 2013 at 16:22, WA5CAB at cs.com wrote:
>
>> Probably because the field installation of the bearings was done with
>> a hammer and something like a 1/2" socket.  And they bent the outer
>> shield and/or brinnelled the races.
>
> Well, I had thought of that too, but I figured that not every radio tech 
> in
> those days was a dolt. ;-)
>
> Ken W7EKB
> ______________________________________________________________
> ARC5 mailing list
> Home: http://mailman.qth.net/mailman/listinfo/arc5
> Help: http://mailman.qth.net/mmfaq.htm
> Post: mailto:ARC5 at mailman.qth.net
>
> This list hosted by: http://www.qsl.net
> Please help support this email list: http://www.qsl.net/donate.html
>
> ______________________________________________________________
> ARC5 mailing list
> Home: http://mailman.qth.net/mailman/listinfo/arc5
> Help: http://mailman.qth.net/mmfaq.htm
> Post: mailto:ARC5 at mailman.qth.net
>
> This list hosted by: http://www.qsl.net
> Please help support this email list: http://www.qsl.net/donate.html
>