I have tried this concept,the to main problems I had was

1. The flights would get tangeled in sling cord

2. The sling puts a giroscopic affect on it and it won't stablize

If you find an answer to these problems,please post it

I'd be tempted to put the "flights" on the sling instead... That ammo is going to have a hard time changing attitude once it leaves the sling (spinning on axis)
Matthias

I really don't see why anyone would want to put flights on a sling bullet. It'll cause only drag and screw up the trajectory as the flight orientates itself.

Saying that ... the Romans used (what is thought) to have been a flighted and weighted arrow from a staff-sling (fustibalus). Now there is a very evident reason for having flights - to get the arrow-head travelling point first!

I might give it a go and merge my two favorite sports (archery and slinging ... especially staff sling!)

Sean, ....to see what happens to a glande upon launch, I made up some plaster "eggs", each of which I painted half red & half white.   I had hoped to film in slo-mo their launch & flight, but I dont have a camera fast enuf.   

BUT you can eyeball their launch & flight, & easily see that they head downrange in stable flight, small-end first, and with a "rifle-bullet spin" on them.  These "eggs" weigh 80grams each, and I could send you one if you want to experiment.

I know the glandes do the "rifle bullet thing" with my underhand launch.  I'd be interested in what they do when launched overhand & via other styles, so if any of you powerful overhanders want one of these "eggs", give a shout.     mgreenfield