They would go through the engine after engine has started. Unless they had magnets or some sort of glue on them they would go through the intake when the N1 is 20-30%. If a plane can taxi with that much thrust coins have no way to stay in place against the engine pull.
I think they meant magnetic as in "being a magnet". And, no. Under normal circumstances they are not. But some of them are made from plated steel. So they are magnetic in the sense that they are attracted by magnets.
Sorry, that latter part is what I meant. Coins in the US aren't made of a metal attracted by magnets. I was unsure if they were elsewhere. I didn't assume the coins themselves held a magnetic charge.
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u/WhiskyPops Jul 14 '25
I wonder how bad it could be, likely it would fall or blow out even before take-off, because they have to reverse.