I knew it "could" happen. But it hadn't happened yet. Until now. Yep... I launched a total of 5 tarp stakes.
Two went into high orbit landing maybe twenty feet away. The others were not near where they were set but did not reach escape velocity upon launch.
I was using full shock cord, which frankly I thought would be safest... (I know... I should the threads more closely.) But I figure the cord would absorb the movement best and I'd be safe from the countdown syndrome. Alas... such was not the case. It seems the shock cord merely propelled said projectile with greater force. Oh well... No harm done to anything except my pride.
My new winter tarp is going to take some getting used to. I think it behaves very differently than the plain Hex tarp it used to be.