NO STYROFOAM, PLEASE!
Styrofoam or blue board is NOT a very good choice for
packing. While it will help mitigate a puncture it does
not have the resiliency to absorb a shock and bounce
back. ie, It is not springy. And even if it does "give"
it will not return to shape to absorb the next drop.
Too much styrofoam will not "give" enough to spread the
needed deceleration of the packaged item over time/distance.
ie, Reduce the G-force of a shock.
You need something that will "give" a significant part of an
inch or so when the packaged item is subjected to the force
of a big drop.
So you can use larger sheets of a softer foam or smaller
pieces of a stiffer foam, as long as it has enough "give"
to it so that the item being shipped can decelerate over
some small distance and not just transfer the hardness
of the floor directly to the equipment.
::This reminds me of the time a guy used crumpled newspaper (a lot of it!)
to "safely" pack a Thunderbolt amp (140 lbs) to ship to me from Texas. I
took photos of the results, it was funny and sad at once. Funny in that I
didn't care the amp was trashed, it wasn't a collectors item or anything...
But holy cow, there was almost nothing left of it, even though it was
"double boxed" with thousands of pages of crumpled newspaper around the amp,
inside the amp, and between the cartons. Newspaper, it turns out, isn't any
better than styrofoam sheets. -WB2WIK/6
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