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A brief analysis of traditional bracket tent
- Aug 16, 2017 -

As we all know, the traditional bracket tent, skeleton commonly used is metal stent, disassembly is very inconvenient, and transport is also a big problem. With the development of science and technology, the progress of the times, inflatable tents, whether in the field of military tents, or in the field of civilian tents, are playing an increasingly important role. Although more and more aluminum tubes also have alloy tubes, in the tent area to replace the traditional iron tent. But there are still a lot of drawbacks.

The bill is the skeleton of the tent, the important point is self-evident. Usually we talk about the bill is not much, but it's a great choice of learning, the performance of a tent is good or bad, but this is only superficial discussion.

Many mountain friends prefer Easton Pole, think it is the best pole, I personally have different views. Easton Of course is a good thing, naturally has its superfans, but it also has a strong competitor, in the face of shopping malls, each brand will have its own focus points and market positioning, to be divided into a high and low is not easy. Easton is a very famous brand, and DAC appears to be the market share of the highest brands, this article will take Easton and DAC to make a comparison

Let's talk about the type of aluminum used in the bill. We often say 7001, 7075 or even 7178 (relative to foreign brands, because there are only a handful of domestic brands in the product data to indicate the origin of their accounts and specific information), in terms of the aluminum model, they do have a price difference, but they do not mean that they have the grade level, because this model name is not used for grading, but to represent its different physical properties!

7001 overall emphasis on toughness! Because of the different content of Cu, Mg and Zn, 7001 showed strong flexibility. In the damaged tent, 7001 is often bent by pressure, but rarely broken, especially in the cold and high-pressure environment! It is now a high utilization of the bar aluminum, due to its hardness, flexibility and the price of an advantage, so that it has the widest range of use, and almost all of the international brands we are familiar with most of the products adopted. We can also take a look at world-renowned mountain bike brands, they use aluminum is basically 7001, why? Or the reason for good toughness! And its main disadvantage is relative to 7075 hardness is not enough, emphasis!

7075 or even 7178 aluminum is a higher rigidity, lighter unit weight, so in high-end products, light product requirements more to see its shadow. And its disadvantage is a higher price, the second is less than 7001 flexibility of good. Once in MHW's product has happened this kind of phenomenon: the account pole in the Alpine gale environment to have the sudden break, formed the obvious rift, thereupon the external account was torn immediately. The blunt is because 7075 is too "crisp" to cause! (Easton7075e9 can withstand pressure is 96000PSI)

Although the pressure-resistant properties of a tent are very much related to aluminum, the structural differences also have a great impact. 70,751 less than the number of Poles, simple structure of the tent, because more of the bill in the structure greatly enhance the stability of the tent, under pressure on the single account of the impact is shared, so, for example, the polar Basecamp, the traditional way of climbing the 4-5-lever Alpine account, which can compensate for the flexibility of the structure, but also to reduce the weight of the product will be willing to use; So 7075 or even 7178 of the flexibility of aluminum material is not to worry about, can be fully qualified to use the requirements (such as the general four-season ledger, three-quarter account), and more easily reflect its weight of light advantages! Speaking so much, not that 7075 can only be used in complex big, many brands also have a simple structure of the two-lever charge account use 7075 (here is the simplest yurt type), then product designers are not taking risks? How do they solve this contradiction? In fact, is also very simple, is the use of thicker walls (such as T9) or larger diameter of the bill, to solve the problem of flexibility, which is also we do not pay much attention to one aspect!! Most of the aluminum rods used on weekdays are 8.4mm, 8.5mm, 8.84mm, you can use more than 9mm or even 11mm on the charge account. On the one hand, this kind of product is to satisfy the people such as bicycle travel, wild athletics activities, crazy pursuit of light, on the other hand, in order to meet the Alpine climbing mountaineers, do their charge account even in the bag is not easy to take out the survival account. The same 7001 of aluminum is more widely used in alpine accounts, when faced with high pressure, it is also through the use of larger diameter of the bill to solve the strength problem, such a product if the structure is complex, usually less emphasis on the type of weight.

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