EMP reality

[WSS01]

Any solid info on EMP's? I have just enough knowledge to cause problems. I have done some RF shielding with success but not for a tangible EMP. What frequency are we trying to block? What type of actual "amps" are we looking at from a legitimate high altitude blast? Open for discussion.

WSS

 

[Diabolus]

It will depend on the type of EMP. If a nuclear blast, and intent on creating the most damage with an EMP, it would be a high altitude detonation. If trying to protect sensitive devices that would be affected by the blast, you would need a Faraday cage with mesh that is smaller than the wave length. The wavelength could be anywhere from 100 KHz to above 100 MHz. So to protect sensitive devices, you would need a full enclosure of mesh less than 6mm. Similar to a microwave, the door is basically part of an enclosed Faraday cage blocking wavelengths in the GHz range.

There are other types of EMP attacks too, with a high altitude nuclear attack being the most effective and one blast could affect the entire United States. There's also other types of nuclear and non-nuclear blasts, microwave, and electromagnetic.

Also, anything with a conductor, say an alternator that has wires, just wrapping the alternator wouldn't cut it. The wires going into the alternator would allow for energy to flow through.

 

[pancakes]

If an emp happens everything is going down

 

[Diabolus]

If an emp happens everything is going down

Yes, it would be catastrophic and god forbid if there was a high alt EMP attack, the USA would retaliate with an all-out nuclear strike.

 

[Shellbackitup]

There's really not enough data to know.

After Starfish *Prime caused damage in Hawaii over a 1000 miles away as well as damaging satellites in orbit, upper atmosphere nuclear testing was banned.

So the magnitude and amplitude is really a rough guess even for the experts I believe.

A purposeful EMP blast could possibly knock out most electronics and electrical distribution on a sub-continental scale

(edit: change to Starfish Prime, per Darqhelmet's wiki link, my memory was off a bit)

 

[Darqhelmet]

Operation Fishbowl - Wikipedia

en.wikipedia.org

Start there, god speed.

 

[WSS01]

If an emp happens everything is going down

Even the stuff I have in my home made faraday box?

 

[Jimi Jah]

My Springfield EMP is an incredible mini 1911.

 

[WSS01]

Operation Fishbowl - Wikipedia

en.wikipedia.org

Start there, god speed.

That is a fantastic read! I'm just getting into it. The "problem" with it is they were not looking for RF data back then, it was the phenomena/anomaly back in 1958 and 1962. Our satellites and even high altitude aircraft are shielded now. I am intrigued though LOL.

 

[drinktothat421]

Whats everyone tbought at the emp shield for vehicles?

 

[WSS01]

Whats everyone tbought at the emp shield for vehicles?

From the protection aspect of a faraday cage (earlier mentioned by Diablous) the absence of a shield is the problem. The whole vehicle would have to be shielded in a fabric/material that is smaller than the frequency wavelength. A box that absorbs a E pulse is more like a lightning rod than a shield. That is just my thought, it may or may not be relevant to the vehicle protection (caveat emptor, buyer beware LOL)

 

[SilverEndless]

My only concern is if the EMP rating on my safe will live up to its claim or not. I’m suspecting not which makes me want to swap the lock off for a mechanical one.

 

[WSS01]

My only concern is if the EMP rating on my safe will live up to its claim or not. I’m suspecting not which makes me want to swap the lock off for a mechanical one.

Ya, if it is on the outside or visible, it will likely be exposed to the EMP. From what I hear, it is quick and painless.

 

[BillSmith]

I'm here to report my EMP has had no issues.

(Enhanced Micro Pistol)

 

[irongunner]

Even the stuff I have in my home made faraday box?

As with any prep protocol, you likely need a second faraday cage. This would either be a redundancy or to accommodate different ranges.

As with most nuclear or other disasters, do you want to continue in this new world?

 

[WSS01]

About 3 years ago, I repurposed a large Pelican case, I cannot remember the number. It was a cast off from my wife's underwater camera rig. I told her it sold for $150 on offerup. After completing the transaction and claiming ownership, I converted it to a faraday box. I lined it with titan faraday fabric from mission darkness. I also used their sponge seal kit and tape to complete it. As far as testing, it is mostly finger crossed sort of deal. It is all there and done according to research and "spec". For instance, any screws had tape applied on the hole and then the screw tightened/installed and then taped over again on top. The tests I did worked but were limited to bt, wifi and cell frequencies.

 

[WSS01]

As with any prep protocol, you likely need a second faraday cage. This would either be a redundancy or to accommodate different ranges.

As with most nuclear or other disasters, do you want to continue in this new world?

It is inside a locked ocean container (99% of the time, my luck, I will be in it when said EMP happens). not really a faraday cage but definitely brings it down to "leaks".

 

[2A in the CA]

I don’t know much about it. I did read the entire “one second after” series and that was real interesting. The only thing I have done is replace my electric digital locks on my safes for manual combination locks. It was not that hard thanks to YouTube.
Other than that I have not really done that much for it. A CME or Carrington event would probably bring the same type of damage.

 

[Darqhelmet]

I mean if it happens the grid goes down, so who cares if you have stuff that made it. No power, no water, no comms. It’s fun to play around with, but it does you zero good as everything is interconnected, no system to use your stuff with. Maybe I’m missing something though.

 

[BillSmith]

Don't be a downer, he can talk to the other guys that prepped. There will be some.