On theme with C2’s interchangeability, models D or E are essentially the same machine. When we talk about one we’re talking about both. The Concept 2 E is just 8 pounds heavier but is made out of stronger stuff all around — what’s plastic on the model D is aluminium on the model E, and what’s aluminum on the model D is welded steel on the model E. The only noticeable variations are seat height and display position.
The first type is characterized by the Dreissigacker/Williams device (referenced above). With this type the flywheel and footrests are fixed to a stationary frame, and the seat is free to slide fore and aft on a rail or rails integral to the stationary frame. Therefore, during use, the seat moves relative to the footrests and also relative to ground, while the flywheel and footrests remain stationary relative to ground. This type is sometimes referred to as a "stationary" or "fixed head" rowing ergometer.
The reason I'm writing now, two years after purchase, is, I broke one of the wheels. I proceeded to order the wrong replacement, so I emailed them pictures to ask for the right parts. They wrote back asking for the serial number to get the right unit AND to see if it was under warranty. (Hadn't even occurred to me.) Turns out it was, they're sending me the wheels, they're refunding me for the wrong part, AND included a link for the Puri-Tabs which I didn't know they provide for the life of the ROWER! They're also replacing all eight wheels even though there's only one broken one.
A feature of the end of twentieth century rowing was the development of non-olympic multicrew racing boats, typically fixed seat-gigs, pilot boats and in Finland church- or longboats. The most usual craft in races held around the coasts of Britain during summer months is the Cornish pilot gig, most typically in the south-west, with crews of 6 from local towns and races of varying distances. The Cornish pilot gig was designed and built to ferry harbour and river pilots to and from ships in fierce coastal waters. The boat needed to be stable and fast with the large crew hence making it ideal for its modern racing usage. In Finland 14-oared churchboats race throughout the summer months, usually on lakes, and often with mixed crews. The largest gathering sees over 7000 rowers mainly rowing the 60 kilometres (37 mi) course at Sulkava near the eastern border over a long weekend in mid July. The weekend features the World Masters churchboat event which also includes a 2 kilometres (1.24 mi) dash.
Rowing machines are often used by people who are looking to get a full-body workout, and also by rowers to stay in rowing shape during the off-season. According to Men’s Total Health, rowing is a natural motion, and is therefore fairly easy for anyone to pick up and do properly. Also, rowing is a low-impact exercise, meaning that the potential for injuries to your joints is lower than on such machines as treadmills, for example.
Rowing has long been recognized as the perfect aerobic pursuit, with naturally smooth and flowing movements that don't tax the joints but do boost the heart rate. Now you can take your rowing experience to the next level with the commercial-quality WaterRower Club rowing machine. Using the same principles that govern the dynamics of a boat in water, the WaterRower Club is outfitted with a "water flywheel" that consists of two paddles in an enclosed tank of water that provide smooth, quiet resistance, just like the paddles in an actual body of water. As a result, the machine has no moving parts that can wear out over time (even the recoil belt and pulleys don't require lubricating or maintaining). More significantly, the water tank and flywheel create a self-regulating resistance system that eliminates the need for a motor. As with real rowing, when you paddle faster, the increased drag provides more resistance. When you paddle slower, the resistance is less intense. The only limit to how fast you can row is your strength and your ability to overcome drag. And unlike conventional rowing machines, which tend to be jerky and jarring, the WaterRower Club is remarkably smooth and fluid.