The rowing machine itself is unlike any other on the market with its patented water filled flywheel. It is hard to exactly copy the action of a scull on the water, but the mechanics of the flywheel spinning in water comes in a close second on dry land. The fact that the water is 800 times denser than air means that there is no need for any extra resistance or dampening that you will find in normal air rowers. The faster you pull, the more resistance is generated giving it infinite variability. However, if you want to be able to practice rowing with a faster stroke, you will have to reduce the amount of water in the tank unlike an air rower where you just have to adjust the baffle.
The main advantages of the water rower are that it has quiet operation; there is only little maintenance to do, the water only needs to be changed occasionally; many users love the whooshing sound of water in the tank; and its consistently smooth resistance at every stroke. Two disadvantages of this machine are it costs a lot than the air rower; and it tends to be larger in size compared to the other rowing machines.
After reading so many fantastic reviews I purchased the Classic model. Before I write what I think are the negative aspects I'll say that it gives a great workout! That is pretty obvious and I don't think that part is arguable. The disappointment began while unpacking. The wood parts were wrapped fairly well and did not have damage but there were several scratches that I had to sand out and re-oil. It appears that they were there before shipping. Putting it together would have been fast and easy- except 2 of the bolts were bent at about 15 degrees and would not fit. I had to wrap with tape and bend with vice grips. After getting it all together the rower worked well for about a week. I started to notice an annoying kind of popping sound from the left rail as the wheels rolled over on each stroke and recovery. It seems the plastic that the wheels ride on is not flat or adhered well to the rail. It isn't very loud but I can hear it well and it gets my attention, spoiling the nice sound of the water. Really disturbing. Support at WaterRower would like a video of the issue. Seems like an obvious issue and could swap out with a rail that is good instead of me trying to make a video of this small sound while moving the seat back and forth. For a $1500 machine the quality control- or lack of it is disturbing. Having to jump through a bunch of hoops because they are too cheap to just send a part is even more so. Perhaps I am being difficult but it is upsetting to have something touted as so great but put together like a $200 piece of junk. Another complaint would be the lack of any back lighting on the monitor. Really cannot see it if the lights are low. Being able to remove the monitor to attach to a PC wouldn't hurt either. While it gives a good workout the rower really suffers from poor manufacturing.
Not a lot to complain about on the Classic rower, but when searching for drawbacks of this rowing machine, the S4 Monitor is the one thing that occasionally comes up.  It’s rather basic and it isn’t backlit. Regardless, the monitor has all necessary tracking and features for getting an excellent workout, and in normal lighting there is no problem reading the display.
For a third option, you can look to hydraulic machines, which use pistons to generate resistance. Hydraulic rowers are quiet, and they also tend to be smaller and cheaper than other kinds of rowing machines, but you won’t get the same smooth rowing feel, or the consistency of resistance, that you would get with an air or water rower. What's more, reviewer after reviewer has found them unreliable and high-maintenance.
There is some minor maintenance. Because it's made out of wood, which can expand and contract, the bolts need tightening every few months or so. It's easy and takes only a couple of minutes. That, and putting in a fresh water purification tablet every six to twelve months, are about it for regular maintenance. The only problem I've had with the rower (the reason for 4 stars instead of 5) was a squeak that developed after about 6 weeks. It took me some time to determine the source of the squeak, which was a metal bracket connecting the footrest board to the horizontal boards above the drum. I had to partially disassemble the top section and tighten four bolts, but that fixed the problem and it's been quiet ever since.
As Stamina’s first water rower, the Wave Water Rowing Machine 1445 has all the necessities for a realistic, effective workout. Rowing on this machine feels and sounds like rowing in real life, making this a great option for those who are seeking an affordable water rower for indoor training. But even if you aren’t an avid oarsman or oarswoman, this machine truly offers a total body cardiovascular workout that’s enjoyable for everyone.
Row your way to fitness with this water rowing machine from WaterRower. The A1 S4 Natural is a low-maintenance exercise machine th...at's constructed from high-quality ash wood with aluminum mono rail. Engineered with the patented WaterFlywheel resistance method, it provides life-like water rowing experience while the low noise level and minimal intrusion along with the unique self-regulating resistance with infinite variable allows suits any user without the need for adjustments. With its no impact and non-load bearing, this gym equipment is also perfect for users with joint problems. Exercise all major muscle groups like the arms, legs, back, shoulders, core, etc. and see how great you're doing with the help of the S4 monitor that comes with the package. It monitors time per 2 or 500 kilometers, watts, calories burned per hour, distance, and the total time of workouts. This exercise machine also boasts minimal maintenance with no lubrication needed. You simply need to add purification tablet every 3-6 months (tablets come with the package). Storage is easy and hassle-free as well. Simply tip the machine vertically and you can easily lean it against a wall or hide it inside a closet. Moreover, enjoy 1 year manufacturer warranty (can be upgraded to 3 years parts and 5 years frame warranty for free with registration) read more
Wood is used for its unique visual appeal, but also for its ability to absorb sound vibration for smooth, quiet operation, as well as it's stable longevity. The Club edition rowing machine is handcrafted in solid ash wood and stained for color. It has been designed for high traffic or commercial areas, and its black rails have been styled to prevent scuffing. The other wooden components are finished in an attractive rosewood which is more resistant to soiling than the Natural model. Each machine has also been hand finished with Danish Oil and Urethane for protection.

Motion of the water is different than the motion of the wave. Water at each location moves in a circular path, but the motions at different locations are “out of phase”, which means that when water at the left of the diagram is moving to the right, water a quarter of a wavelength to the right is moving down, and water next to it is moving to the left, and next to it is moving up, etc. The overall effect is a an “apparent” wave moving to the right. Thus, the velocity (speed) of a wave is not at all the same as the velocity of the water.

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.


Water Rower Dimensions: 82.25" x 22.25" x 19.63" / Weight: 88 Lbs (Empty Tank), 125 Lbs (With 171 Liters Of Water) ; Maximum User ...Weight And Height: 1000 Lbs & 38" InseamExercise Rower Features Stainless Steel Makeup With Brushed Stainless Steel Finish For High DurabilityBoasts Patented Water Flywheel Responsible For Its Natural Rowing Dynamic-Like Actually Driving A Boat With Oars! Other Features: Self-Regulating Resistance Levels-Making It Suitable For Any User, Little Maintenance Required (Tablets Available From Manufacturer Free Of Charge) And Inclusive Of S4 Performance Monitor (Displays Intensity, Kcalories/Hour, Stroke Rate, Heart Rate, And More! Enjoy 1 Year Commercial Warranty (Upgradeable To 3-Year Parts While 5-Year Frames Are Free Of Charge With Registration) read more

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
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