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Comparison Tatra Garden BCU 81 vs Tatra Garden BCU 73

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Tatra Garden BCU 81
Tatra Garden BCU 73
Tatra Garden BCU 81Tatra Garden BCU 73
from $125.77
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from $119.32
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Typegrass trimmergrass trimmer
Motor typepetrolpetrol
Mowing
Cutting width
41.5 cm /line / 23 cm — knife / 25.5 cm — brush cutter/
41.5 cm
Trimmer blade width23 cm
Cutting systemrotaryrotary
Trimmer design
Motor locationtoptop
Shaft typestraightstraight
Handle typebike handlebike handle
More features
shoulder
shoulder
In box
Nozzles
2-tooth blade
spool of line
saw blade
2-tooth blade
spool of line
saw blade
Motor
ICE type2-stroke2-stroke
Motor power6.1 hp6.1 hp
Motor power4500 W4500 W
Fuel tank volume1.2 L1.2 L
General
Deck materialplasticplastic
Noise level87 dB95 dB
Weight7 kg7 kg
Added to E-Catalogfebruary 2016february 2016

Trimmer blade width

The width (diameter) of the trimmer knife characterizes the size of the paddle knife (or saw blade). Such a nozzle has a smaller capture width than a fishing line, however, it allows you to mow more dense thickets, including shrubs.

Noise level

The level of noise produced by the device during operation. Usually, a certain average indicator is indicated in the characteristics — in the standard mode of operation; however, the actual values usually do not differ much from the claimed ones.

The lower the noise level, the more convenient the unit to use and the less tired the operator. In the case of lawn mowers, this is especially true, since such equipment is quite noisy — even the quietest models (some robots) give out about 47 – 48 dB, which is comparable to talking at an average volume. Note that the decibel is a non-linear quantity, and it is easiest to evaluate the actual loudness using comparative tables. Here is the simplest table for the values found in modern lawn mowers:

— 60 – 65 dB — talking in raised tones at a distance of about 1 m;
70 dB — loud conversation of several people at the same distance;
75 dB — loud laughter at a distance of 1 m;
80 dB — motorcycle engine, medium power vacuum cleaner.
90 dB — loud screams, freight car at a distance of 7 – 10 m;
100 dB — a subway train or a loud car signal at a distance of 5 – 7 m, an industrial workshop;
110 dB — tractor engine at a distance of about 1 m.

In addition to subjective sensations, there are specific sanitary standards that limit the impact of strong noise. So, according to European standards, noise of 85 dB is allowed to be heard without protective equipment for 8 hours, 91 dB — 2 hours, 97...dB — half an hour, and 103 dB — only 7 minutes. So when choosing a unit, you should take into account the duration of work with it — with high noise, you may need protective headphones.
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