As you mention, that's a small boat for the Vol Navy. Best you can hope for is to tie up at the end of a chain, but that entails arriving pretty late. Folks are pretty nice down there, and theoretically you may be able to tie up in the front of a houseboat (though I'm not sure that's very do-able either).
there are plenty of small boats in the Vol Navy (dozens). Driving up from Chattanooga wouldn't be a problem at all, other than just the time it will take and the amount of gas you're going to use.
The problem would be where you're going to spend the night.
I don't have charts for that area, but did a quick look and it seems that it is around 160 miles by water. I'm guessing you cruise at around 25 knots, so with a fuel stop, I'd figure 6 hours. Again, I don't have charts, so that assumes limited no wake areas. Sleeping on a bowrider isn't ideal, but not horrible either.
I recently did a trip of about the same distance, but we broke it into two days. The boat cruised between 12 and 14 knots and it took about 15 hours total.
I will stay in my boat if I have to. It has a sunlounge which would be a good bed, as long as I don't fall asleepAnyone know how long it might take to get to Knoxville from Chattanooga?
I wouldn't make that trek in less than a 26ft. cruiser.
I have done it in a 21 ft bowrider many times, but never on game day. The amount of traffic will gurantee rough water throughout...
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other than the advice given by Mullet, this is the best.
perhaps you did. however, it still really isn't that great of an idea. i wouldn't recommend anybody trying it, espcially with no experience going through the locks.
i've never been through the locks in anything other than 40 ft or bigger so i don't know, but would they really be willing to open the lock for just a 21 ft boat?