Almost 18 months ago I found an old telescoping light stand that was being thrown out. It seemed solid and I figured that I'd put it to use one day... Well, that day has come!
I've removed the telescoping sections and have now turned up a drop-in slug with a 1/8" launch rod fitted in the middle. I am half-way though making a 2nd one that will hold my launch rail as well as one for a 1/4" rod. It was flight-tested last weekend and am very happy with the results :)
More photos on Flickr