Decreasing  speed of waves as water becomes shallow has dramatic consequences on the beach. As the waves slow, their profile (Figure on right) is laterally compressed and since each wave must carry the same energy it becomes higher. As the wave approaches shore this process continues until the height exceeds 1/7 th the wave length and the wave becomes unstable. Then the wave breaks.
Heavyweight rowers of both sexes tend to be very tall, broad-shouldered, have long arms and legs as well as tremendous cardiovascular capacity and low body fat ratios. Olympic or International level heavyweight male oarsmen are typically anywhere between 190 cm and 206 cm (6'3" to 6'9") tall with most being around 198 cm (6'6") and weighing approximately 102 kg (225 lb) with about 6 to 7% body fat.

Medical Professionals and Physical Therapists trust the benefits of the WaterRower and Rowing as an excellent cardio exercise. Burning up to 1000 calories per hour and working out up to 84% of your muscle mass during one exercise, rowing offers a tremendously beneficial exercise without the perceived fatigue and exhaustion often apparent when using other cardio training gym equipment.

Sometimes, slides are placed underneath the erg to try to simulate the movement of being on the water. It allows the machine to move back and forth smoothly as if there is water beneath you. The slides can be connected in rows or columns so that rowers are forced to move together on the ergometer, similar to how they would match up their rhythm in a boat.
I have also received negative feedback about the resistance. After 15 minutes at the maximum level, you will feel that you are hardly putting an effort to row. However, this won’t be an issue if your weight is less. This could indicate an issue with the oil or gasoline mixture in the piston. Also, issues were mentioned by other customers with the footrests. They’d problem strapping their feet. It is a bigger issue as it becomes difficult for people who have small feet as the feet keeps on slipping. The footrest grip is not tight. This is affecting particularly when you would like to experience a workout without any interruption; when you actually want to go with the flow of workout. Fast rowing also becomes difficult with this type of problem as you have to stop and strap the feet back. However, the problem could be solved by using a wide and thick Velcro straps. Use your creativity and be resourceful while coming up with the ideas to solve the problem of slipping feet.
The WaterRower Classic is handcrafted from solid American Black Walnut wood, finished with danish oil. The WaterRower's patented WaterFlywheel has been specifically designed to emulate the dynamics of a boat moving though water and is unsurpassed in its simulation of the physical and physiological benefits of rowing. WaterRower will not provide support or documentation for any product transported outside of the original country of purchase
One downside of the Waterrower for me are the footrests. Whilst they are perfectly adequate if you want to row in shoes, rowing barefoot, which is something I like to do, is impossible. The plastic is completely square at the bottom and has sharp edges that cut into your heels. I also found that my shoes get caught when trying to put them in and out of the holders, which is a bit irritating.
The meter didn't work properly. It wasn't keeping the distance - we would row for 30 mins and wouldn't even be at 1km!!! And the strokes per minute was reading double strokes (which the company said was normal - huh?). Their customer service team was good and tried to make it work but we ended up returning it and spent the extra money to get a WaterRower and it is amazing!!!
The WaterRower Oxbridge Rower in Cherrywood is designed for equally gorgeous look and performance. Every detail complements the overall aesthetic and performance of this unparalleled machine. Built in America, the WaterRower Oxbridge Rower in Cherrywood is a product of modern European design. It's hand-crafted in solid ash and stained honey oak for consistency of color. Each machine has been hand-finished with Danish Oil, which lends a deep warmth and luster. Wood has been chosen for its marvelous engineering properties; primary amongst these is its ability to absorb sound and vibration, which enhances the WaterRower Oxbridge Rower quietness and smoothness of use. Ash, like all woods used in WaterRower construction, is a premium hardwood with incredible longevity and dimensional stability. For reasons of ecology, all woods are harvested from renewable forests. The frame is more than stylish; it holds up to 2,200 lbs!
Rowing is one of the oldest Olympic sports. Though it was on the programme for the 1896 games, racing did not take place due to bad weather,[4] but male rowers have competed since the 1900. Women's rowing was added to the Olympic programme in 1976. Today, only fourteen boat classes race at the Olympics: [note 2] Each year the World Rowing Championships is staged by FISA with 22 boat classes raced. In Olympic years only the non-Olympic boat classes are raced at the World Championships. The European Rowing Championships are held annually, along with three World Rowing Cups in which each event earns a number of points for a country towards the World Cup title. Since 2008, rowing has also been competed at the Paralympic Games.
Water rowers feature a tank that is actually filled with water as a means for resistance. As you increase the pace of rowing, the resistance naturally increases as well. This means that you can set your own pace and resistance in a single motion. The same is true for air rowers. Air rowers use a fan or flywheel to create resistance, and you have control over the intensity of the workout due to the fact that the air resistance depends on your pace. Most water and air rowers come equipped with -- or at least have as an option -- monitors that track various functions such as distance, strokes, strokes per minute and calories burned.
The WaterRower Oxbridge is hand crafted in solid Cherrywood. Like all woods, Cherrywood may vary in color from a red-brown to deep... red. The wood will darken in color with exposure to light. For this reason all WaterRower Cherrywood components are kept in light free rooms to protect from shadowing. A new WaterRower Oxbridge will therefore appear quite light in color. The wood will however darken over time reaching a rich reddish hue.Handcrafted rowing machine with inchwater flywheel inch that replicates actual rowing feelFlywheel sits in enclosed water tank to provide smooth, quiet, self-regulated resistanceSeries 4 performance monitor tracks workout intensity, stroke rate, heart rate, and moreStores upright; measures 84 x 21 x 22 inches (W x H x D) and weighs 117 poundsStores upright; measures 84 x 21 x 22 inches (W x H x D) and weighs 117 pounds read more 
×