@C_Murley posted:...Going to have inclines. One is rather steep, it’s a descent and will be hidden in a tunnel...
Really enjoy the concept of what you're doing.
And you've probably already thought of this, but just in case - 'steep descent in a tunnel' - be sure to allow plenty of access. No matter how well it runs while testing, as soon as it's covered by a tunnel, the gremlins will move in.