Thanks for the link and info. I wasn't aware of the Voyager. It comes very close to what I have been thinking someone should make. I even toyed with the idea of building my own.

The Voyageur could be built up using a very light wheel and probably could be gotten down close to 7 pounds. Combined with a lighter bike (road bike with a triple and a big cluster and no racks) that gets you to the break even point weight wise. You would have a real sporty bike to ride for side trips if you leave the trailer in camp.

I have tried a Yakima Big Tow (pretty much equivalent to the Bob) and was unimpressed because it was heavier than I was willing to accept. I am pretty impressed with the Voyager in concept at least. If combined with a light packing style and a lighter bike, it could be awesome for a go fast and light tour.

It would seem pretty easy to get the total weight down to 50# including bike (25# bike, 7# trailer, 18# of gear and bags) and a real weight weenie might be able to drop another 5#.

The one drawback that comes to mind is that if you ride with other folks and do pace line riding it is hard to draft really well behind a trailer.