Wheels lashed to a pack aren't terrible to ride with, I've done it. I've seen pictures of what looks like a piece of flat bar bolts under the front wheel's nut. It has a drop-out sized hole cut in the other end of the bar allowing one to bolt the wheels on the front of the bike, held securely to the ends of the drop bars with old toe straps. I'm sure someone has a picture of what I'm talking about, it was how club riders did it in England in the 50s. Eureka!
Sprint Carries and I even posted in that thread and no I haven't got around to finding the right bar to make it... should soon.