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Thread: Singer JTIDS S250 Shelter Project

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    Colonel Weller's Avatar
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    Default Singer JTIDS S250 Shelter Project

    Posting photos and progress on my recently acquired S250 shelter.

    20190402_073349.jpg

    Here she is about to get loaded on my vehicle. I decided to load door forward so I could quickly transfer shelter from my pickup to humvee.

    20190402_081058.jpg

    Smooth ride home, barely noticed the load, but my gas gauge did.

    20190405_162019.jpg

    Took about 15 minutes to transfer to a hmmwv (temporary).

    20190405_162524.jpg

    Even though GP has better photos than GL used to, opening a shelter (my 7th) is always a surprise. It had the typical dirt, but other than the standard missing parts, it was intact and ready for powering up.

    Spent the weekend cleaning and cataloging parts (Bendix, GlenAir, etc.) and taking photos. I don't think there was a single cable missing from this unit, that was happy surprise number one.

    It's wired 3 phase and 28vdc yet I'll likely convert to 120vac and modify the DC for solar plus vehicle input. I put in two 12 volt batteries for testing and all was operational (except one missing light bulb). Happy days.

    20190413_151106.jpg
    O Lord, won't you buy me a diesel Humvee. My friends all drive Teslas, that won't work for me. Worked hard all my lifetime, no help from the DMV. So Lord, won't you buy me a diesel Humvee.

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    4 Star General NDT's Avatar
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    Good looking shelter. What is it's designation?
    There is a big 'ol bracket that goes on the floor of the HMMWV to hold the S250 and retains it. Also extends out the tailgate so you have a porch.

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    Thanks, designation undetermined but most likely utilizing as a remote relay station (I live off grid) for my cell service, wifi, etc. Good to know there is a bracket, it's great on the HMMWV, except for ECU location to drivers seat.

    20190405_162035.jpg

    A look behind the panels shows promise, will be fairly easy to add solar as a back up charging source.

    20190407_102703.jpg

    One box appears dedicated to 28vdc which works great for my use.
    O Lord, won't you buy me a diesel Humvee. My friends all drive Teslas, that won't work for me. Worked hard all my lifetime, no help from the DMV. So Lord, won't you buy me a diesel Humvee.

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    Opened the top panel to find a coaxwitch antenna switch. Antenna ports will come in handy for an external cell antenna.

    20190412_164212.jpg

    Bottom panel is the 3 phase input with 60 amp service.

    20190407_102720.jpg

    I'll likely park this too far from my generator to run 3 phase so DC inverter to 120vac is my first planned modification.
    O Lord, won't you buy me a diesel Humvee. My friends all drive Teslas, that won't work for me. Worked hard all my lifetime, no help from the DMV. So Lord, won't you buy me a diesel Humvee.

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    Got all non essential (to me) cables removed and on to the "what did this do" phase.

    20190412_162558.jpg
    There's a micro switch on the door but not sure if it is supposed to turn lights on when I open the door or power something when I close it.

    20190413_122657.jpg
    There's mounting brackets near the floor and one appears to be for an axe, not sure about the other two.

    20190413_123150.jpg
    I'll restore the fire extinguisher bracket and keep where it is. The drain hole plug was missing, will check my other shelters for possible part number.

    20190413_123207.jpg
    There's two hex shaped brackets under the operators table, not sure what they held.

    20190413_171343.jpg
    I'm starting to have quite a collection of connectors I don't think I'll be using.

    I imagine these shelters ran the smaller 208v Nordic Air ECUs, and that's one cable I didn't find. With the dual 24v exhaust fans, this shelter would make one heck of a soldering/testing station for my small electronics.
    Last edited by Weller; 04-15-2019 at 15:51.
    O Lord, won't you buy me a diesel Humvee. My friends all drive Teslas, that won't work for me. Worked hard all my lifetime, no help from the DMV. So Lord, won't you buy me a diesel Humvee.

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    20190412_162346.jpg 20190412_162336.jpg 20190412_162332.jpg
    I'm assuming these were antenna mounts (the big shackles on the side of the S250). Looks like it would have been pretty heavy and somehow re positioned on the swivel seen in the last photo. If anyone comes across what this looked like in the field please post or help me better understand its use. Thanks!
    O Lord, won't you buy me a diesel Humvee. My friends all drive Teslas, that won't work for me. Worked hard all my lifetime, no help from the DMV. So Lord, won't you buy me a diesel Humvee.

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    4 Star General Wire Fox's Avatar
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    Very cool. This is a project that I want to take on some day for similar use. Those brackets you're seeing appear to be for a QEAM telescoping mast. Here's a page that has just a touch of information about them: https://www.willburt.com/products/te...ic-masts/qeam/ With those search terms, you should be able to dig up some more information on your specific configuration if you want to keep digging.
    1994 M998A1, 2-dr, 6.5L GEP NA

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    Awesome, thanks for the link.
    O Lord, won't you buy me a diesel Humvee. My friends all drive Teslas, that won't work for me. Worked hard all my lifetime, no help from the DMV. So Lord, won't you buy me a diesel Humvee.

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    I have a similar shelter as yours. I picked it up from Davis-Monthan AFB in Tucson, AZ. There were two both mounted on M1028 CUCV. I purchase the camo truck. The other was tan. The camo one had the mast, the tan one didn't. I suspect you have the shelter from the other CUCV. They both came from Fort Huachuca in Sierra Vista, AZ. My 1984 CUCV M1028 only had 7700 original miles on it. They parked these in the field for testing. I have other Pictures, but not on this computer,
    IMG_0620.jpgIMG_0994.jpg
    1984 M1028 with S-250/G Shelter
    1968 M101A1 Trailer with S-250/G Shelter
    1956 M105A1 Trailer

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    Awesome, thanks. That makes sense as a week prior to buying the S-250 I bought an S-280 shelter with Fort Huachuca printed on the side. Both came out of Yermo, CA.

    Seeing your photo inspires me to fabricate something for a TV and Cellular antenna. The truck looks awesome.
    O Lord, won't you buy me a diesel Humvee. My friends all drive Teslas, that won't work for me. Worked hard all my lifetime, no help from the DMV. So Lord, won't you buy me a diesel Humvee.

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