I absolutely agree that the Connie is a cool and unusual vacuum cleaner. But from someone who actually had to use one to clean a large home, back in the 70s both with thick carpet and bare floors, I have to say the Connie failed miserably. (It was my job as a kid to do all the vacuuming of course.)
Not only did it blow dust around the bare floors, it also left "hot spots" in the carpet wherever or if ever it sat running in one place for very long. So hot infact the carpet would often have a burned smell. I never felt like the Connie was actually doing much cleaning,,more like just blowing dust around. ALOT of dust. Didnt seem to matter if a new bag or clean filter was used,,there was always dust blowing out from underneath. Isnt the idea of a vacuum cleaner to TRAP and HOLD the dust inside the bag as much as possible? ( i often thought while using the Connie)
I also found the "Rug and Floor" tool to be very hard to use. Could never seem to get it at the right angle to brush the carpet,, or the brush inside to work right. Id usually just end up keeping it the setting so that the brush was always up and out of the way.
Our home had a long carpeted staircase and the Connie was very hard to use on stairs. Yes the stretch hose did help, but would not reach the last few steps, no matter which direction up or down you went. So, you would have to try to hold the Connie with one had balancing it on a stair tred, and vacuum with the other,,all the while dust was blowing all over.
Of course Hepa bags and filters were unheard of back in the 70s,,,too bad,,i know our house was very dusty,,the Connie didnt help much,,but sure was a cool looking vacuum. Sure was an excellent garage vac or for taking out on the driveway and cleaning out the car!
I finally traded the old Connie for a used Rainbow D2 with the Eureka style PN. You should have seen how dirty and thick that water was in the Rainbow pan after all the yrs of dust blowing from the Connie. Id have to stop every 5 min or so of vacuuming with the Rainbow and dump the water,,which wasnt even water anymore,,it was thick MUD!