I reviewed the the OP's request and while it's possible to delete those threads with no replies, it's something we'd prefer not do. Why? Because even though you've had no reply to some of your threads, every one of your 38 threads, including the threads with no replies, have been
VIEWED...hundreds of times.
The number of replies should not be used as a measurement in determining the success of a thread. Success is better measured using the number of times the thread has been viewed.
Unless there's a problem that violates our
Community Rules (like vulgarity, trolling, argumentative, spam, scam, etc.) or the thread's author (user) asks to have it removed for personal reasons, threads and posts remain active and viewable regardless of the value, if any, they add to the forum.
What's hurting the number of times viewed from being higher, though, is by not providing a more descriptive thread title. The thread titles in over 30 of your threads consist of nothing more the the type of RV you own (Octane 222 SL). Without a discussion topic being included in the thread title, How are users going decide whether a thread is something that might interest them? "Octane 222 SL" tells the user nothing about what you want to discuss. Believe it or not, the thread's title is most important part when you write your thread because it's the "advertisement" to get people to view your thread.
To help, I added a discussion topic (the "Advertisement") to your thread titles that had none. This should benefit the users by allowing them to easily determine what your thread discusses without them having to open and view it first.