In a message dated 10/3/1999 10:50:28 PM EST, firstname.lastname@example.org writes:
<< Anything not round or not spinning from rifling will tumble and loop.
You don't need a needle to penetrate to deliver a drug, just use a fine shot, maybe #12 or #16 or so would do, coated with the drug. >>
Actually, I was thinking you might need hollow needles to protect the drug during flight (keep it from coming off the delivery vehicle). A fine shot would probably work if we made the shot hollow, filled it with the drug, and had it break open upon impact.