minus-squareclutchtwopointzero@lemmy.worldtoNot The Onion@lemmy.world•Eight US states seek to outlaw chemtrails – even though they aren’t reallinkfedilinkEnglisharrow-up1·3 days agoyep… jet engines do not need to worry about knocking as they have no pistons linkfedilink
minus-squareclutchtwopointzero@lemmy.worldtoNot The Onion@lemmy.world•Eight US states seek to outlaw chemtrails – even though they aren’t reallinkfedilinkEnglisharrow-up2arrow-down1·4 days agotetraethyl lead - if used - is only for piston aircraft, not large commercial jets linkfedilink
yep… jet engines do not need to worry about knocking as they have no pistons