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{
    "url": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/email/UYUPHFHG4YYJRCLKRGELFTK46INJT2TN/",
    "mailinglist": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/",
    "message_id": "[email protected]",
    "message_id_hash": "UYUPHFHG4YYJRCLKRGELFTK46INJT2TN",
    "thread": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/thread/JV7BZULPZPOIL25RNEQKLEJEU7ZNY4NG/",
    "sender": {
        "address": "stanw1le (a) verizon.net",
        "mailman_id": "cde59a7de6874af3b354fb231df89b4c",
        "emails": "https://mailman.amsat.org/hyperkitty/api/sender/cde59a7de6874af3b354fb231df89b4c/emails/"
    },
    "sender_name": "Stan W1LE",
    "subject": "[amsat-bb] Re: G-5500 AZ EL rotors combined orientation",
    "date": "2009-04-26T14:41:05Z",
    "parent": "https://mailman.amsat.org/hyperkitty/api/list/[email protected]/email/JV7BZULPZPOIL25RNEQKLEJEU7ZNY4NG/",
    "children": [],
    "votes": {
        "likes": 0,
        "dislikes": 0,
        "status": "neutral"
    },
    "content": "Hello Al,\n\nMy comments added:\n\nAllen Fugelseth wrote:\n> Hello G-5500 Rotor users,\n>\n> I am mounting my G-5500 AZ and EL rotors together. \nShould be OK. Strongest installation has the azimuth positioner on a \nrotator plate inside the tower,\na short mast through a thrust bearing to the elevation positioner with \noptional Yaesu separation kit.\nWeakest mounting is the EL unit bolted to the AZ unit with the U channel \nbracket, and a\noptional Yaesu mast clamp below the AZ unit. All mounting are OK, \ndepending on loading\n\n> The manual pictures show the rotors with the connectors forward and the El rotor axis L-R. The U\n> bracket stipulates this. \nLooks like the U channel bracket has only 2 possible mounting positions \nonto the AZ unit.\nThough the 4 each bracket to AZ unit mounting holes/bolts are \nsymmetrical on a common bolt circle,\nthe ribs on top of the AZ unit must mate the cut out on the bottom of \nthe U channel, to fit properly.\nEssentially you have 2 mounting choices, both 180 degrees apart.\nThe manual front page picture, shows the AZ/EL units bolted up and \n\"parked\" for a \"nice\" marketing picture\nThis picture does not show the tapped hole in the U channel.\nMy choice is to put the tapped hole on the same side as the EL connector.\nTapped hole is to mount a cable clamp for strain relief.\nThe installation instructions on Page 6 are definitive.\n> My U bracket is intended to be mounted rotated 90deg. \nDoes not look like a good choice, either 0 or 180 degrees,  NOT  90 degrees.\nUnless you mill off the interfering ribs in the top of the AZ unit.  Why \nbother ??\n> The slot in my U bracket runs parallel with the bent up sides. The\n> manual picture shows the slot running perpendicular to the bent up sides.\n>   \nNot obvious to me. I may have a different picture than you, My manual is \npart # E12901000 .\nMy picture is accurate in this aspect. The top bib position is indicated \nby the ribs on the side of the top half of the AZ unit.\nMy picture shows these 2 each (left) side ribs accurately.\n> The ribs on the top of my AZ rotor run front to back as shown on the\n> picture.\n>   \nMy picture shows the ribs running L-R.\n> Does anyone else have this situation? If so what is the orientation of the\n> two connectors that works? I would like to put the rotor combination up\n> correct the first time.\n>   \nMechanically mount up the U channel to the AZ unit, it will fit 2 ways.\nMount the EL unit with the connector on the same side as the tapped hole \nin the U channel. My choice.\nConnect test cables and determine where the positioners are actually \npointing.\n\nI verify full control range of the AZ 0 thru 360 to 90 degrees in AZ.\nI verify full control range of Elevation from 0 degrees thru 90 to 180 \ndegrees.\nCalibrate as necessary.\n\nI park my AZ unit at 0 degrees (full CCW) and the EL unit at 0 degrees \nalso (not 180 degrees).\nThe I put it up on the tower.\n\nYou never mention how the AZ unit is mounted , in the tower, on a mast,  ??\n\nStan, W1LE    FN41sr   Cape Cod\n\n\n",
    "attachments": []
}