Hi John, how do I know whether I have an original or new version? I don't know that much about the original except that it was kitted by Veco. I have never seen one on eBay. This kit built up nicely, but the trailing edge of the wing needs to be modified from the kit, it is much too flimsy. I used the stock piece and it was very weak, so I added webbing. It was still too flexible, so I added a second layer of balsa sheeting, which can be seen in one of the pictures. That seems to have stiffened it up, but it has added some weight.
What really attracted me to buy this kit was the appearance of the finished model on the box cover. I do. To actually know how well they fly.