I Can't think of any upward-pointing orifices on land based creatures in nature. There is probably a reason why.
Is it necessary to use Tennis balls or are there other balls that are suitable? Which leads to another question: were yellow Tennis balls available in the 50s/60s or do I have to stick with white balls to be traditional? Interestingly there is also a great song about this: http://www.youtube.com/watch?v=_W-fIn2QZgg
Falcongeorge has it right! Red balls, not tennis balls. They had tennis balls back then, but most used rubber balls.
I looked for rubber balls off and on for a good while and eventually gave up trying to find the size I wanted. Handballs were too small. Tennis balls are easy to find. I tried getting the fuzz off and painting them red but that looked like doo doo.
That made my day, in the midst of all the silly comments and other dribble, this sums it up nicely! THANK YOU
X3, or 5 or 8, or whatever its up to by now. I think that might even end up on my desktop for a couple days. SO COOL!
Dad used the traditional red rubber balls & small chains in his dragster zoomies in the '60's. But I think I remember the same red rubber balls screwed to a piece of clear plexiglass for the Hilborn stacks. He has pictures - I'll have to scan them. I used "splash bombs" in my zoomies.
Yes - that is a great pic! Somewhere Dad has a pic of me about 5 years old strapped in his rail on the return road after a run - they towed back with the front end in a sling, so it didn't matter what I did with the butterfly.
I did that once - I saw them blow out, but it was too late. It's kinda funny with mine - some suck down into the pipe first and then get blasted out. My brother was chasing those splash-bombs all over the staging lanes!