i can offer a possible starting place for your project. (first, a short disclaimer: i do not advocate, recommend, suggest, imply or in any other way endorse reading any further; should you choose to ignore this notice, i will not be responsible for any damage, injury, hurt, disappointment or regret--inconsequential or inconseigural--resulting from your actions).
use an empty 5 gallon plastic water bottle as a bat to hit a citrus fruit (orange or grapefruit) ball. pretty cool huh? (its also cheaper than using a beer bottle to drive golfballs).
this concept might just lead to the 'soul of a brand new seige machine' that looks outside the box & into the empty container to provide hitherto untapped sources of propulsion.
