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{
    "url": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/email/FE6TBIMR4WTRIV7YKRIRKAQT4FTI42OI/",
    "mailinglist": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/",
    "message_id": "[email protected]",
    "message_id_hash": "FE6TBIMR4WTRIV7YKRIRKAQT4FTI42OI",
    "thread": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/thread/W6EUI2APL5V77Y6YHVN7WS6UQLVSJYWY/",
    "sender": {
        "address": "greencl (a) mindspring.com",
        "mailman_id": "5421c5ff9a12494f8f7bd304db4ac696",
        "emails": "https://mailman.amsat.org/hyperkitty/api/sender/5421c5ff9a12494f8f7bd304db4ac696/emails/"
    },
    "sender_name": "Chuck Green",
    "subject": "[eagle] Re: Updated Module",
    "date": "2007-10-18T01:17:12Z",
    "parent": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/email/UIGM4S2SG4ROBDT4HU3YMGYQGYC4IDD6/",
    "children": [],
    "votes": {
        "likes": 0,
        "dislikes": 0,
        "status": "neutral"
    },
    "content": "Hi Dick,\n\nWhenever I'm sizing a PCB to fit inside something I always allow 1/2mm \naround the perimeter. \n\nChuck\n\nDick Jansson-rr wrote:\n>\n> Chuck:\n>\n>  \n>\n> Indeed the machined baseplate width is just 141mm and the cavity is \n> 126mm wide. I would NOT recommend any PCB to be that full width, that \n> it be no wider than 140mm, so theoretically you could have a PCB that \n> is 140x180mm. Perhaps that can be another iteration. (I did not deal \n> with the PCB at all in this round.) Not tonight honey, I've slugged at \n> this beast for six hours today, enough already!\n>\n>  \n>\n> Dick Jansson, KD1K\n>\n> [email protected] <mailto:[email protected]>  \n>\n> [email protected] <mailto:[email protected]>  \n>\n>  \n>\n> -----Original Message-----\n> From: Chuck Green [mailto:[email protected]]\n> Sent: Wednesday, 17 October, 2007 21.46\n> To: Dick Jansson-rr\n> Cc: Bob Davis; AMSAT Eagle\n> Subject: Re: [eagle] Updated Module\n>\n>  \n>\n> Hi Dick,\n>\n>  \n>\n> This is a good step forward.\n>\n>  \n>\n> I had in mind making the PCB wider so that it extends over the entire\n>\n> length of the base plate on each side.  It seems to me that you could\n>\n> then make the PCB mounting points less intrusive into the cavity below\n>\n> the PCB.  It looks like I still have that option even if you don't\n>\n> change the mounting points (true?).  And I think that would also better\n>\n> support the PCB and allow for more thermal contact between the PCB and\n>\n> the base.\n>\n>  \n>\n> I see that you have more mounting points per linear distance for the\n>\n> cover than for the PCB.  Is this based on vibration modeling?\n>\n> > \n>\n> > Also note that the depth of the cavity below the posts is 6.35mm, save\n>\n> > for in the very center where there is an attachment for the connector\n>\n> > plate that is located 0.75mm below the PCB for a space in the center\n>\n> > that is 10mm wide by 6mm deep from the connector plate. I was loathe\n>\n> > to locate such a piece here but felt the need for a third attachment\n>\n> > for the connector plate.\n>\n> > \n>\n> Please reconsider this.  It will cause considerable restriction on where\n>\n> connectors can be located that are also soldered to the PCB.  Connector\n>\n> space/flexibility is a *major* issue.\n>\n>  \n>\n>  \n>\n> Chuck\n>\n",
    "attachments": []
}