-- Last Updated: Jan-02-13 11:22 PM EST --
... at the risk of repeating myself, the discussion DID take off in the direction of advantages of trailers versus roof racks "in general", which is no sin because side discussions ARE permissible. Anyway, I'm sure canoes were mentioned somewhere along the line, and all I did, in side-discussion format, was to address the kind of blanket statement I've seen here before, that lower is always better. Hey, if you want to get picky about adhering to the original topic, most of the thread strayed off topic because the original question wasn't about effort at all. The original question was about feasibility, and with few supporting details. We did find out that the paddler is male, and he gave no indication that he's small or weak, and the car being used has a roof that's almost as low as they come. So, who inserted the idea that loading on the roof would be unnecessarily difficult?
Anyway, the poor OP never came back, and probably wouldn't paddle with any of us now.