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Comparison Doppler 72066B vs Doppler 74566

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Doppler 72066B
Doppler 74566
Doppler 72066BDoppler 74566
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Typefoldingfolding
Suitable formanman
Specs
Anti-storm
Mechanismsemiautomaticmachine
Frame materialsteelsteel
Spoke materialfibreglassfibreglass
Number of spokes8 pcs8 pcs
Dome diameter102 cm140 cm
Length (folded)35 cm52 cm
Dome materialpolyesterpolyester
Handle material
plastic /rubberized/
wood
Handle shapehookhook
Weight490 g630 g
Color
Added to E-Catalogaugust 2016november 2014

Mechanism

The procedure for unfolding and folding the umbrella depends primarily on the type of mechanism.

Mechanical. The simplest option, which involves unfolding and folding solely due to the efforts of the user himself — in other words, you will have to manually move the slider along the central rod every time. Such a scheme of operation is not as convenient as automated options, however, it provides simplicity and reliability of the design, and it is cheaper.

Semi -automatic. The name of this option is due to the fact that only one of the two actions is automated in it — disclosure; you have to fold the umbrella manually. Usually, to open, it is enough to press a button — and a special spring will bring the product into working position. Such umbrellas are easier and more convenient to use than mechanical ones — in particular, they open somewhat faster, which is especially important when exposed to heavy rain; at the same time, they are cheaper and more reliable than full automatic machines (although they still lose to them in terms of convenience).

Automatic. In such models, both basic actions are automated: at the touch of a button, both the unfolding and folding of the umbrella occur. However it is worth noting that folding is most often not fully automated — usually the frame is only folded, and the telescopic rod has to be “squeezed” manual...ly. However, this is the most user-friendly option, requiring the least amount of effort from the user. The downside of such a mechanism is its complexity, high cost, and less reliability than others.

Dome diameter

The diameter of the umbrella dome when unfolded. The larger the diameter of the dome, the more reliably it will protect you from rain and the easier it will be to place one more person under the umbrella. On the other hand, a wide umbrella can be uncomfortable in tight spaces — for example, in the flow of pedestrians on a busy street — and when folded it will take up more space. Therefore, it does not always make sense to choose the largest of the available options.

The minimum diameter for an "adult" umbrella (see "Destination") is considered to be about 80 cm. Most models are in the range of 90 – 110 cm — this provides a good degree of protection with ease of movement. And in the largest modern products, the diameter of the dome can reach 150 cm.

Length (folded)

The length of the umbrella when folded. For the decomposed one, this parameter is not specified, because is not critical, but when transporting a closed umbrella, it is the length that is the most important dimension.

The length of cane umbrellas (see "Type") is, by definition, the same when open or closed; most often it is 60 – 90% of the dome diameter (see above). But folding models of the same diameter can vary markedly in length, and here the choice depends on the situation: on the one hand, more compact umbrellas are more convenient to carry, on the other hand, they are less reliable and more complex in design, and also cost more.

Handle material

Plastic. As a material for umbrella handles, plastic is very practical: it has a low price, is resistant to moisture, and its strength, although lower than that of metals, is quite sufficient in this case, especially since there are many varieties of this material on the market, including number and are very durable. It is also worth noting the low thermal conductivity of plastic — it does not "cool" the hand in cool weather. Similar handles are used in umbrellas of all price categories.

Tree. Wood, like plastic, does not conduct heat well and does not cool the hand, while many consider it more pleasant to the touch; Yes, and this material looks quite stylish. At the same time, wooden handles are somewhat more expensive, and their quality noticeably depends on the price category of the umbrella (although in a cheap product, the frame is more likely to break than the handle).

Skin. In this case, of course, we are talking about a handle made of hard material (usually wood or plastic, see above), covered with genuine leather. Such a coating gives the pen a rich and solid appearance and well emphasizes the image of the owner — after all, leather is quite expensive. Of the practical disadvantages of this option, it is worth noting the exactingness of care — otherwise the material may lose its presentation.

Metal....Metal handles are usually an integral extension of the central rod. They are very durable, besides they look stylish, but they tend to "cool" the hand and slip out of it — therefore they are rarely used, mainly in designer models.

— EVA foam. Handles in the form of a solid base (usually the same material as the frame), covered with a layer of ethylene vinyl acetate (EVA) foam. This coating is pleasant to the touch, does not slip in the hand and provides a secure hold. At the same time, for a number of reasons, this option is found mainly in premium models.

Weight

Total weight of the umbrella.

All other things being equal, lighter umbrellas are more convenient to carry (both in the open and closed positions). On the other hand, such products are less reliable and/or more expensive than relatively heavy models of similar design and size. We also note that in some cases, significant weight can be an advantage. For example, in a strong wind, a massive umbrella does not “tear from your hands” as much, and when released, it does not fly as far as a lighter one.
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