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Thread: Air-Log generator L.372L

  1. #1

    Default Air-Log generator L.372L

    I've recently bought a portable two-stroke petrol generator circa 1969
    and I'm pleased with its overall condition and military look.
    However , getting it to produce a useable output is going to be my biggest problem .
    Details that I have are :

    Generator Set , gasoline engine, AC 5KVA 208/115v 3 phase 400 Hz
    Maker Air-Log
    Part No. X2-6115-99-199-0598
    Engine JLO L372
    Two 5 pin star output sockets one rated at 25 amps and one at 16 amps

    Believed to have come out of Wellington Barracks.

    was there ever a splitter/transformer box that went with this to provide more useful outputs ?
    can a modern adapter be used ?

    hope someone can help.
    much obliged

    Steve
    Attached Thumbnails Attached Thumbnails image.jpg  


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  3. #2
    Join Date
    Sep 2005
    Location
    Kent, England
    Posts
    10,412

    Default Re: Air-Log generator L.372L

    Quote Originally Posted by absturz View Post
    I've recently bought a portable two-stroke petrol generator circa 1969
    and I'm pleased with its overall condition and military look.
    However , getting it to produce a useable output is going to be my biggest problem .
    Details that I have are :

    Generator Set , gasoline engine, AC 5KVA 208/115v 3 phase 400 Hz
    Maker Air-Log
    Part No. X2-6115-99-199-0598
    Engine JLO L372
    Two 5 pin star output sockets one rated at 25 amps and one at 16 amps

    Believed to have come out of Wellington Barracks.

    was there ever a splitter/transformer box that went with this to provide more useful outputs ?
    can a modern adapter be used ?

    hope someone can help.
    much obliged

    Steve
    Hi Steve,
    I remember working on these sets when they came in to Workshops, the were commonly known a 'high cycle' gennys. There is no transformer box that I recollect, it is for power tools and I think they plug straight into it. The engine is very well made, I did have to change a crankshaft on one, they probably did not use any two stroke oil. When you stop the engine on the button it is best to hold the throttle shut as they are apt to backfire if you release the button too early. I had our electrical inspector on his hands and knees one day checking readings, he told me to stop the engine and I purposely let it backfire, I think he left the ground!, then said 'do it again!'
    I recall the cycle indicator is a number of vibrating needles and you adjust the revs to get the right cycle reading, think it was 500 cycles?
    Last edited by Richard Farrant; 18-05-2017 at 20:08. Reason: spelling
    Richard Farrant

    1943 Bedford QLD - 1941 BSA WM20 - 1943 Daimler Scout Car Mk.2
    MVT no. 1087 - IMPS no. 57 - AMVCS hon. member and Comms. officer
    KVE President and Newsletter Editor

  4. #3

    Default Re: Air-Log generator L.372L

    Thanks for commenting Richard.
    If there are no transformers available , can the tools still be found ?
    What sort of tools ? Drills ? Saws?
    Can anyone make up a safe adapter lead so that I can use one or two of the phases
    to run modern 240v or 110v tools ?

    BTW I think the handbook says 400Hz.

    Thanks
    Steve

  5. #4
    Join Date
    Apr 2008
    Location
    UK
    Posts
    733

    Default Re: Air-Log generator L.372L

    Richard is correct; AC 5KVA 208/115v 3 phase 400 Hz is the exact output for rock drills as used by the Royal Engineers for example

  6. #5

    Default Re: Air-Log generator L.372L

    I wonder if this might work ?

    https://www.cclcomponents.com/victro...FeoW0wodDKYDqg

    I will have to check that it fits one of the output sockets of the genny . It would seem to extract one phase so does that give me 110 (115) volts ?

    if modified by a professional electrician to tap 2 phases , does that give me 230 v ?

    I'm still hoping to find REME / RE portable tools like drills or lighting to fit if I can.

    Steve

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