[eagle] Re: New Module

Dick Jansson-rr rjansson at cfl.rr.com
Thu Nov 1 10:46:56 PST 2007


Chuck:
 
Sorry that I did interpret your request quite clearly. You can, however,
deduce the information that you seek from what was presented, as the
intrusion will be the same as on the top. Be mindful that the Connector
Plate is wider than the forerunner E05 22 Connector Bracket. The total
intrusion will be about 4.8mm (1.6+3.2) from the 141mm side so you could be
working with a total clearance of 131.4mm, considering the intrusions of the
screws. This placement of these screws on the side, rather than on the face,
was suggested as a simplification of the cover, which has been a bear to
fabricate.
 
'73,
Dick Jansson, KD1K
 <mailto:kd1k at amsat.org> kd1k at amsat.org 
 <mailto:kd1k at arrl.net> kd1k at arrl.net 
-----Original Message-----
From: Chuck Green [mailto:greencl at mindspring.com] 
Sent: Thursday, 01 November, 2007 18.26
To: Dick Jansson-rr
Cc: AMSAT Eagle; 'Bob Davis'
Subject: Re: [eagle] New Module
 
Hi Dick,
 
I must apologize for not being very clear about what PEM/screw I was
referring to. Its good that you thought of the one you did as that is also
important. The one I was referring to is labeled 2 (with a circle around the
2) on drawing E05-62. Its the screw that attaches the side(s) of the lid to
the connector plate.
 
Sorry for the confusion,
Chuck
 
Dick Jansson-rr wrote:
> 
> Chuck:
> 
> Implicitly all that information existed already on the E05 60 Module 
> drawing. I have today changed this drawing to Rev.02 to incorporate 
> these specific dimensions. You have 28.4mm clearance to the cover 
> flange of the E05 62 Connector Plate, which is intruded by 3.2mm for 
> the cover screw and its PEM nut pressed into the flange. All other 
> dimensions that you need are located on the several drawings, which is 
> why I uploaded the complete set of drawings.
> 
> '73,
> 
> Dick Jansson, KD1K
> 
> kd1k at amsat.org <mailto:kd1k at amsat.org>
> 
> kd1k at arrl.net <mailto:kd1k at arrl.net>
> 
> -----Original Message-----
> From: Chuck Green [mailto:greencl at mindspring.com]
> Sent: Thursday, 01 November, 2007 16.21
> To: Dick Jansson-rr
> Cc: Bob Davis
> Subject: Re: [eagle] New Module
> 
> Hi Dick,
> 
> For those who have extreme connector issues it might be helpful if 
> they had information regarding the cover attachment to the connector 
> plate. This information might logically be added to the connector 
> plate drawing.
> 
> How far does the nut protrude into the module area? What is it's 
> diameter? What is the distance from the top of the PCB to the center 
> of this nut (assuming 0.062 inch PCB)? And how far might the screw 
> reasonably be expected to protrude into the module area?
> 
> Thanks,
> 
> Chuck
> 
> Dick Jansson-rr wrote:
> 
> >
> 
> > Bob:
> 
> >
> 
> > I have uploaded the drawings for the new E05 60, 140x180 Module, to
> 
> > Eaglepedia. I did this so that people so interested can go there and
> 
> > look at these drawings.
> 
> >
> 
> > I plan shortly, however, to modify the PCB and Baseplate slightly by
> 
> > adding more mounting screws. I have somehow to convey that some of the
> 
> > added screws are optional depending upon the PCB dissipation. This
> 
> > step to add more screws is part of the realization that screws spaced
> 
> > 50+mm apart may not provide sufficiently effective contact of the PCB
> 
> > to the Baseplate. Modules such as the U Receiver will definitely need
> 
> > the added screws. This tradeoff on this module is a significant
> 
> > reduction in the need for added heat sinks, and their attaching screws
> 
> > in the middle of the PCB.
> 
> >
> 
> > Your timely comments on this module would be appreciated.
> 
> >
> 
> > '73,
> 
> >
> 
> > Dick Jansson, KD1K
> 
> >
> 
> > kd1k at amsat.org <mailto:kd1k at amsat.org>
> 
> >
> 
> > kd1k at arrl.net <mailto:kd1k at arrl.net>
> 
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