Manufacturers of robotic mowers specify the area output for individual models. This tells you what area your device can mow in a certain time under ideal conditions. Perfect cutting results can only be achieved if the specified performance matches your garden. How do you find out how large the area of your own garden actually is?
The size of your own garden is important for selecting a suitable robotic lawnmower model. However, the calculation is not always very simple. The first variant works classically by calculating individual areas:
|Rectangle||a x b|
|Right-angle triangle||a x b / 2|
|Obtuse triangle||a x b / 2|
|Convex square||(a x h1 / 2) + (a x h2 /2)|
|Rhombus||a x b|
|Rhomboid||a x b|
|Trapezoid||(a + c) / 2 x h|
|Right-angle trapezoid||(a + b) / 2 x c|
|Semi-circle||π x r² / 2|
|Circle||π x r²|
|L-Shape||(a x b) + (c x d)|
|U-Shape||(2 x (a x b)) + (c x d)|
Of course, not every garden has an ideal shape, so it may be necessary to divide the garden into individual areas. This works best if you make a sketch of the garden first.
It is easier and faster to calculate your lawn area with Google Maps. With the range finder, the tool offers a really handy way to measure your own plot.
Manufacturers initially specify the maximum area output for robotic mowers. This value indicates how much area the device can mow in a certain time under absolutely optimal conditions. In practice, however, these conditions are rarely achieved as factors such as complex garden layouts, slopes, weather conditions or even the type of lawn influence mowing times.
Accordingly, there is a second value with the recommended area output, which is significantly below the maximum performance but in many cases corresponds to reality.
If you want to determine which area output the robotic lawnmower needs to mow your lawn in a desired mowing time, proceed as follows:
Lawn area in m² / planned mowing time in hours x assumed mowing time of the manufacturer = required area output (according to the manufacturer).
In the above example, this would make the calculation as follows:
1,250 m² / 36 hrs. x 120 hrs. = 4,166.67 m²
For an area of 1,250 m², you would therefore need a robotic lawnmower with an area output of around 4,200 m² if the robotic lawnmower is only to be used 6 hours a day.
In addition to the area output, there are other key figures that are important for the overall performance of the robotic lawnmower:
Calculating the lawn area is an indispensable requirement when purchasing a suitable robotic lawnmower. An even cut is ensured only if the model is powerful enough to mow your lawn in the desired time.
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