Added a video. A days work!!! This image holds the small robot in the video. Yeah, the other one is 2-3 times bigger.
A nuke? How much tnt do you want a nuke to carry? Problem would be is height limit, other than that it's do-able.
Redstone missile silo that has a slimestone nuke in it! ;3 Also your island is really neat. As Much As Kim Jong Un Has
So you want it to have no explosive power... Well, a missile silo already exists, but sure, I'll make one. Thanks for the idea!