Guess what I did today! That’s right. I made a catapult. This is a rope torsion catapult, so the potential energy it needs to fire a projectile is stored in 4 lengths of rope twisted around the fulcrum of the throwing arm.
This is really cool because it’s totally adjustable; crank the rope handles around another time and the catapult becomes more highly powered.
Dear Laura, You might have forgotten but we met at the ASTC conference last year and I mentioned that I had land in Iowa. Since then, I have been carrying your card around. Keys were lost, found, replicated, etc. Anyway, I am going to be in Iowa on July 8,9,10. I will be going up to the land. Any chance you could join me? I’m so sorry this is so last minute and you are probably working but I thought I’d ask. best, Pam
Oh my goodness! I am so sorry I didn’t see this in time! Things have been busy lately and I haven’t been checking my website frequently. I hope you had a wonderful trip!