I. Introduction
Gregory mountain product co. ltd. is a company founded in 1977 with the owner Gregory Wayne, a mountaineer who decided to open the company because of his dissatisfaction with the backpack design. The company is located in San Diego, California and currently produces locations in the United States, Vietnam, China, and Mexico.
Gregory's backpack is divided into three series of pro series (previously known as expedition series), Adventure series, escape series (Note: new series such as sport series and small backpack, outer backpack is not included in this article), the design is different The appeals are not the same, but will be introduced separately. The characteristics of the Gregory backpack are just like their motto - Fit is-everything. So they respond with different sizes and replaceable shoulder straps and waist straps. The user can choose a backpack suitable for himself. The design of the piggyback system is simple and straightforward, but there are many small organizations that are adjustable, including shoulder width, back length, belt angle, etc. In addition, the company also has models for women, which is a boon for women who love climbing. .
After using and trying to carry a variety of backpacks, the Gregory was considered to be a relatively rigid system in the backpacks on the market. Although the design was excellent, many domestic mountaineering enthusiasts were carrying soft backpacks in Europe. Many people will adapt to poor backpacks, people want to try Gregory this kind of backpack, it is best to decide before trying.
Second, Pro Series:
There are four backpacks in active service, Denali Pro, Robson Pro, Petitdru Pro, Makalu
Pro, the principle of naming is the mountain name of North America; except for Makalu, the other three backpacks are denali 106L, robson 90L, and petit dru 78L (M size), respectively. The size, weight, height, and height are different, not introduced one by one, these three backpacks are equipped with Flo-form II belts and shoulder straps, back plate is also constituted by the Flo-form II practice, his shape is the only piece of a , with a ditch in the middle, this design bears a hard feeling is very affordable, but ventilated than other brands directly with foam or adventure series is good, his special material, will not absorb water will not be wet Personally, the evaluation of this design is quite high. The bag itself is made of codura 500D. Underneath is a thick waterproof rubber. It is very durable and wearable, but its empty weight is very heavy. The skeleton is made of two 7075-T6 aluminum materials. (Early carbon dimensions were used.) Recently, in order to reduce the weight of the aircraft, it has been changed from 1 to 0.75?. Skeleton trial screws are locked on a hard plastic plate to maintain a good back shape; the top cover can be removed directly as a hip pack. It is convenient when used lightly. Makalu Pro is a lightweight version of this series, which differs from his big brothers in that it uses a 210d mesh nylon fabric bag, Flo-Form II shoulder strap and wildness belt, the backpack itself is not separated, and there is no sleeping bag Independent space, the rest of the design are the same.
Third, Adventure Series:
There are five models in active service, Wind River, Whitney, Palisade, Shasta, Lassen. The belts and shoulder straps of flo-form II are used. The back bag is made of 210d double-line mesh nylon cloth. 420d), Skeleton use 2 X 7075-T6 0.75 Aluminium Bar (Before 2001 used 2 X 2024-T4 1 Aluminium Bars), thick waterproof rubber on the bottom and back, backpack back design with two connected rear cushions , The internal filled with similar electrical shockproof foam material, will not absorb water, the overall air-weight than pro series light 0.75-1 kg, but the strength, back and comfort is still not as pro, the price is relatively low, the top cover can also be Removed from the pockets, in 2002 this series made a lot of lighter efforts to try to get rid of gregory empty weight too bad reputation.
Fourth, Escape Series
Belonging to the backpacking category, although the largest Forester has 75L, the original design has a maximum limit of 40lb. From 2002 to 2005, there are Forest, Reality, Gravity, Chaos, Banshee, and Fury. The new 2003 model is Forester, Reality. , Acadia, Deva, Siren, where Deva and Siren are narrow back versions designed specifically for women; the interior is a single 7001-T6 aluminum strip (6061-t6 before 2001), screwed onto a human hard plastic plate, In the past two years, the material has gradually changed from 420d to 210d. The top cover must not be used as a hip pack. The stealth shoulder strap and wildness belt (Banshee & Fury uses a fixed belt) have weak support and the back is similar to the Adnenture series. Filled with foaming material, the back is less than 15kg fashionable and comfortable, it will be slightly deformed when it exceeds 20kg.
Fifth, shoulder straps and belts
The three series of shoulder straps and belts are divided into two types: Flo-Form II (Pro & Adv series) and Stealth (escape series):
(1) Flo-Form II's shoulder strap:
The shoulder straps do not belong to the heavy type. Compared to many U.S. backpacks, they look thinner and narrower. Using special patented technology, heat treatment makes the S-type foam, and the foam they use is said to be It is the highest grade, coupled with unique sewing techniques, that does not allow any sutures to pass through the foam, it can make the foam not elastic fatigue (as well as personal ten years of experience), after a long time there will be suitable for you The shape of the individual (individuals agree very much with him, so the backpack does not borrow); there is a thin plate on the shoulder strap, under the devil felt, can use this feature to adjust the shoulder width, in order to achieve the best fit for everyone's body shape; Bring the original iron buckle, can be adjusted up and down, so that the edge of the strap with the rain backpack force angle to achieve perfect, so backpack will be closer to bear the stress center. In the past five years, Flo-Form II has begun to cooperate with the Auto-Cant system. Prior to this, the shoulder strap was directly connected to the backpack body, and the adjustable distance was longer. There were three compartments at intervals of 1 ft.; the next-generation system added auto. -Cant, the design principle is simple. It is connected by a rotating plastic steel plate and a backpack. The main purpose is to use the principle of natural rotation. When everyone is back, they will turn out the most suitable personal angle for Best Fit, but you can Fine-tune the grid spacing into two compartments, every 1 mile.
(2) Flo-FormII Belt:
The construction method is the same as that of the shoulder strap. The material is made of a high-density, high-density foam. The hard plastic version that is connected to the skeleton of the backpack is particularly mentioned. Many people who like or hate Gregory are because of this so-called rigid belt. This one-of-a-kind design is unique in that most of the weight of the backpack can be borne by the waist belt. When used, it feels like the largest waist support force in the backpack I tried. It is also due to his hard and many uses. The person is not accustomed to it; there is another characteristic of the belt, in the inside there is a screw, you can adjust the angle of the belt (three segments), called adjust-a-cant, to match each person's different waist-hip ratio.
(3) Stealth harness & Wildness waist belt:
The use of three layers of foam with different densities and hardness, thickness and width than the Flo-Form II, but the bearing capacity and support force are not as good as Flo-Form II, but the use of the system such as the escape series, the original design The shoulder straps are not adjustable. The shoulder straps are not adjustable in shoulder width. The straps are also connected to the backpack by the Auto-Cant. The angle of the waist straps is not adjustable. There is no rigid plate support, so the waist is not as strong as the Flo-Form. II. The connection between the belt and the backpack body is through the hard plate at the back of the backpack and is not connected to the skeleton.
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