The early 'Noge "Burpalators" had a long slow stroke compared to other machines of their time. It was aggressive and what it couldn't roll-over it was quite content to drag back and forth---mercilessly. The mechanism of that era was not so noisy but the constantantly sucking pump, and "whack" of the solenoids changing cycles, more than made up for it. A great memory of that era.
The more modern 'Noge's (also manufactured for many other badges) still had that long-stroke agitator and had increased the strokes per minute (makes me sweat), those machines are every bit as aggressive as the old ones were, but have much better roll-over capability.
People thought because these machines were "cheapies" as far as the price point when purchased new---that they wouldn't last. But these old soldiers keep showing up all the time on the used market and many of them are still in perfect working order----if in need of a good clean-up. Rust was always 'Noge's worst problem.
ka-chooooog, ka-chooooog, ka-chooooog----------