The Regina Housekeeper was very crappy, certainly one of the most poorly built and shortest lasting machines I've known to exist, but for being in the vacuum business they are really before my time, in fact I've only ever worked on two of them myself since working in the business since 2004, which says that despite the many thousand sold very few actually lived while I see many Hoovers Eurekas and most other machines from that time. However the Hoover Windtunnel V2 s very much in my time and very much a horrible piece of crap! The big issue that was never resolved was the fact that the brushrolls would strip out where the drive shafts went, originally they had the solid molded brush roll with the round hole with a flat spot on both sides for the drive shaft to go, the plastic would strip right out as soon as too much resistance was applied. They tried to fix this by using a metal insert in the end of the brushroll for the shaft to go in, thinking that would solve it, but all that would happen is the insert would strip inside the brush, yes this took longer, but it still happened. the bearings on the other end would always fill with hair and melt up, and the hair would collect against the gearbox and the bruhroll and melt that up, and the gears had a nasty habit of stripping out as well, and they weren't too fun or easy to change either. They had a lovely habit of the brushes stripping the first time you ran it. Thankfully I only worked on one or two myself, and never did any serious in-depth repairs, but I watched others do it many times, and I heard all the horror stories. I don't think there is a single worst vacuum ever, but there are definitely many tied for that place. too many good and unique ideas gone terribly wrong...