I echo all the above posts, but here are a few things to consider that I find especially important:
-The goblin is made to go fast. At speed it flies extremely efficiently, and glides for DAYS. That being said, most gliders don't go half the speed, and their slow speed keeps them aloft longer. Also speed obviously is an issue if you are looking to do slope soaring, that is unless you have a giant mountain with a crazy updraft (ideal conditions)
- The goblin is HEAVY for the amount of wing surface area... aka it has a lot of weight but less area to create lift to keep that weight airborne. thats why when you chuck it like a glider it doesn't do so hot, especially when compared to something like the Simple Soarer. this is especially important if you have electronics onboard.
- The goblin lacks stability. Sure, at speed it flies well, but the lack of dihedral on the short, stubby wings combined with the high center of gravity makes it less stable when gliding at slower speeds. while it still is controllable especially if the pilot is experienced, it will undoubtably lose more altitude in turns because of the lack of dihedral, and combined with the higher speed you will definitely be doing more turning.
-The goblin also only has bank and yank control, meaning you have to drop a wing to turn, there is no other way around it. Traditional gliders emphasize the use of rudder to make turns with as little roll as possible, to keep the wings lifting at all times.
There are some things to consider, I'm interested in seeing how it turns out. I will stay tuned!