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Comparison Ryobi OBV18 vs Ryobi RBV36B

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Ryobi OBV18
Ryobi RBV36B
Ryobi OBV18Ryobi RBV36B
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Main
Brushless motor.
Typemanualmanual
Operating mode
blowing
suction
grinding
blowing
suction
grinding
Specs
Max. air flow rate201 km/h238 km/h
Air flow control
Air flow (blowing)2.5 m³/min12.9 m³/min
Air flow (suction)6 m³/min
Mulching ratio10:1
Garbage container volume35 L45 L
Motor
Motor typeelectric (battery)electric (battery)
Battery
Battery voltage18 V36 V
Compatible batteriesRB18L13, RB18L15, RB18L20, RB18L25, RB18L30, RB18L40, RB18L50, RB18L90
BPL3620D, BPL3626D, BPL3626D2, BPL3640D, BPL3640D2, BPL3650D /BPL3650D2, RY36B60A, RY36B90A, RY36B12A/
Battery included
General
Shoulder strap
Support wheels
Noise level103 dB
Weight
3.7 kg /weight without battery/
5.3 kg
Added to E-Catalogseptember 2018september 2018

Max. air flow rate

The highest speed of the air stream given out by the vacuum cleaner. The higher this parameter, the stronger the thrust provided by the device, and the more efficiently it is able to pull or blow out debris particles from cracks and other hard-to-reach places (of course, if there is an appropriate operating mode — see above). At the same time, in most modern models, this figure exceeds 150 km/h — this is more than enough for work of small and medium complexity. Therefore, paying attention to a high flow rate makes sense only when choosing a powerful model for working in difficult conditions; we note that in the most “high-speed” vacuum cleaners, the indicators can exceed 400 km/h.

Air flow (blowing)

Performance of the garden vacuum cleaner when blowing (see "Operating mode").

This parameter determines the amount of air that the device distills through itself in a certain time. It should be noted that it depends not only on the speed of this air, but also on other parameters — for example, the diameter of the pipe. Therefore, two models with the same performance can noticeably differ in speed, and vice versa. You also need to keep in mind that the efficiency of "purging" bottlenecks with stuck debris does not depend on performance, but on the flow rate. On the other hand, good performance makes it easier to work on large areas, as allows you to simultaneously cover a large area with a jet of air.

Most modern garden vacuum cleaners in blowing mode provide up to 15 m / min; higher rates are typical mainly for professional models.

Air flow (suction)

Performance of the garden vacuum cleaner when working on suction (see "Operating mode").

As with blowing described above, this parameter primarily characterizes how large the area covers the vacuum cleaner when working: high performance means that the device captures more air and draws debris from a larger surface. But this indicator is weakly related to suction efficiency: the ability of a vacuum cleaner to “pull out” debris particles from cracks, thick grass, etc. depends primarily on speed characteristics, not performance.

Mulching ratio

The ratio of shredding debris provided by a vacuum cleaner with the appropriate mode of operation (see above).

This parameter shows how much the volume occupied by garbage decreases after passing through the grinder. For example, the value "8:1" corresponds to a reduction of 8 times. These figures, of course, are quite approximate, because. in fact, much depends on the type of waste, and in different cases, the indicators will also be different. For example, bulky large branches are “packed” very tightly, and soft leaves initially take up relatively little space, and for them the difference in volume before and after the chopper may be small. Nevertheless, the claimed values quite reliably describe the capabilities of the vacuum cleaner for processing the collected garbage.

Garden vacuum cleaners with a grinding ratio of 1:10 can be classified as average; lower rates are typical for relatively modest models, larger ones for advanced ones.

Garbage container volume

The volume of the garbage collector — a container for garbage — regularly supplied with a garden vacuum cleaner. The larger the bin, the more debris can fit inside and the less often you have to empty it during work. On the other hand, a capacious container has the appropriate dimensions, and when filled, it also weighs a lot, which can affect the ease of use of the vacuum cleaner (this is especially true for manual and backpack models, see "Type"). Therefore, manufacturers tend to choose bins for their products based on the overall level of the vacuum cleaner and the scale of work for which it is designed. And some units may not be equipped with complete containers at all — in the expectation that the user picks up such a container separately.

The volume of the garbage can can be approximately estimated, knowing that an ordinary household bucket holds about 10 – 12 liters. Thus, for example, a 35 liter container corresponds approximately to three standard buckets.

Battery voltage

The battery voltage for which the powered garden vacuum cleaner is designed (see "Motor type"). For a powerful unit, usually, a fairly high voltage is required.

For the user, this parameter is important if the purchased vacuum cleaner is not equipped with a battery (see "Battery included"): in order to successfully select the battery, you need to know the required voltage. If the battery is included in the kit, then this indicator has a purely reference value, and can only come in handy when looking for a spare or additional battery.

Compatible batteries

The name of the battery that is compatible with the device. It helps to buy a spare or find a suitable one in case of a breakdown of the main one.

Noise level

The noise level generated by the vacuum cleaner during normal operation. The lower this indicator, the more comfortable it is to work with the unit, the less the operator gets tired; and high noise levels may require the use of protection (e.g. earmuffs).

When assessing the noise level, note that the decibel used to measure this level is a non-linear quantity. Therefore, it is easiest to evaluate specific values using comparative tables. Here is one of the variants of such a table (rather simplified):

— 60 dB — sound comparable to a TV at medium volume. From this value, the indicators of modern garden vacuum cleaners begin, because. this technique works quite loudly.
— 70 dB — to a truck at a distance of about 8 m;
— 80 dB — traffic noise on a busy street;
— 90 dB — freight train noise at a distance of 8 – 10 m;
— 100 dB — the noise of the demolition hammer;
— 110 dB — indoor rock concert

Weight

The total weight of the garden vacuum cleaner. Usually, this paragraph indicates the "net" weight of the unit — with an empty dust container (or even without a dust container at all), without fuel and oil (in models with an internal combustion engine, see "Engine type"), without a battery (in the corresponding devices, also see "Engine type"), etc. This parameter is important primarily for models designed to be carried "on oneself" — that is, hand-held and knapsack (see "Type").