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Thread: EMP survivability

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    EMP survivability

    Half joking at the time a few years ago, (in light of recent events, I see it now as only half) a friend said if it came to an EMP burst rendering electronics largely useless, he knew he was coming to my place to borrow a Perentie. While there's some logic to his argument (diesel remains usable longer on the shelf should pumps stop, and a largely manual, non-electronic engine would improve survivability of that vehicle in general) it raises the question, has there ever been any testing or analysis performed on how well a Perentie would survive an EMP, enabling one to drive off afterwards?
    Scratching my teenage itch now that I'm in my midlife crisis...
    '87 110 County 4BD1+T+LP (Godzilla)
    '88 110 Perentie Cargo 4BD1+T+LP (Thing1)
    '91 110 Perentie Cargo 4BD1+T+LP (Thing2)

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    JDNSW's Avatar
    JDNSW is offline RoverLord Silver Subscriber
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    I doubt there has been any actual testing, but at a first glance, the only part that would be even slightly susceptible to damage is the alternator.
    John

    JDNSW
    1986 110 County 3.9 diesel
    1970 2a 109 2.25 petrol

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    Quote Originally Posted by JDNSW View Post
    I doubt there has been any actual testing, but at a first glance, the only part that would be even slightly susceptible to damage is the alternator.
    That was my assessment as well, though it somehow sounds more convincing coming from someone else in the know other than me, myself and I.
    Scratching my teenage itch now that I'm in my midlife crisis...
    '87 110 County 4BD1+T+LP (Godzilla)
    '88 110 Perentie Cargo 4BD1+T+LP (Thing1)
    '91 110 Perentie Cargo 4BD1+T+LP (Thing2)

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    I never thought about an EMP, only ever thought that in the event of the inevitable zombie apocalypse that the Perentie would be the perfect vehicle for survival
    Regards
    Daz


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    Quote Originally Posted by JDNSW View Post
    I doubt there has been any actual testing, but at a first glance, the only part that would be even slightly susceptible to damage is the alternator.
    Starter motor? relays?

    My basic understanding of 'EMP' (there are different types) .. is that energy is transferred down conductors.
    That is, any cabling in the area of an EMP is susceptible to power surges, kilovolt type surges.
    How well would a battery last having 1000v sent into it via cables capable of hundreds of amps.
    Would cables and any electrical device attached to them(eg. electric fuel pump, relays, etc) suffer from the huge voltage spike?(ie. burn out).

    Either way, I'd guess post EMP blast, it'd be a hard beast to start up again.
    Arthur.

    '99 D1 300Tdi Auto
    '03 D2 Td5 Auto

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    If you are thinking about EMP, then along the same lines, but much more likely are Solar Flares, ie. Mass Coronal Ejections, Carrington Events, Geomagnetic Storms etc.
    Recently the Earth missed getting hit by a massive one by only 9 days. See the vid below. She describes it pretty well, and has a bunch of other interesting stuff on her channel.

    It missed us by 9 days - YouTube
    Life is just a series of obstacles preventing you from taking a nap.

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    So wire open the injector pump cut off then roll start down a hill.

    A Perentie is going to survive without any electrical system.
    Regards
    Daz


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    Quote Originally Posted by DazzaTD5 View Post
    So wire open the injector pump cut off then roll start down a hill.

    A Perentie is going to survive without any electrical system.
    What if you already at the bottom of a hill!

    Yeah, TDi same ...
    Arthur.

    '99 D1 300Tdi Auto
    '03 D2 Td5 Auto

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    Quote Originally Posted by AK83 View Post
    What if you already at the bottom of a hill!

    Yeah, TDi same ...
    Well you need to plan ahead, always park at the top of the hill.
    But if you have another perentie you can then push start it

    The TDi has a fuel shutoff solenoid that needs power.
    Some stationary engines I worked on had a fuel solenoid that you could unbolt and the fuel plunger inside the pump was in the open position so to stop it you put your finger inside to depress it and shut the engine down. You need to do some planning to see if this is possible on a TDi
    Regards
    Daz


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    TonyC is offline Master Silver Subscriber
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    Quote Originally Posted by DazzaTD5 View Post
    Well you need to plan ahead, always park at the top of the hill.
    But if you have another perentie you can then push start it

    The TDi has a fuel shutoff solenoid that needs power.
    Some stationary engines I worked on had a fuel solenoid that you could unbolt and the fuel plunger inside the pump was in the open position so to stop it you put your finger inside to depress it and shut the engine down. You need to do some planning to see if this is possible on a TDi
    I've never tried, but my understanding is if you remove the fuel cut off solenoid, a 300Tdi will run.
    Tony

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