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MONOWALKER - Lastenkraxe
Technical information
Material: Wood, ash tree- bent with steam and sealed with spar vanish
Weight: 3 kg/ 6.6 lb
Payload: 45 kg/ 100 lb
Harness: Hipbelt and padded shoulder belt, compatible with BACH backpack child carrier Billy the Kid
Upgrade: Can be reconstructed as hiking trailer or bicycle trailer
Set- up time: 5 min
There are a thousand varieties of backpacks. Backpack constructions with a good carry on system are missing.
It is a unique invention to be able to reconfigure a rucksack as MONOWALKER trailer or bicycle trailer.
We managed to keep the weight range of the backpack in a weight range, which is still very comfortable.
Therefore the emphasis is definitely put on pulling equipment on one or two wheels.
Also, those, that often travel by train or those who climb in the mountains or those, who need to carry wood, they will appreciate this carrying system.
The weight of the equipment will be on the hips and shoulders only.
The carrying system can be adjusted to everybody’s back due to different belts. As long as you carry the backpack , the substructure and the handholds of the backpack disappear inside the backpack and the back wheel goes on top of the backpack.
Now, if you want to reconstruct the backpack as hiking trailer, it will not take you more than 5 minutes to set it up. The barrow system becomes the “harness” then.
This is how relaxing travelling can be.
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Why do we choose wood as a material for our trailer?
Wood has been used for sporting articles for decades. Tennis rackets and skis were made of wood for a long time. Despite the use of plastics, you still find wooden cores in skis and snowboards. Hockey sticks, racing toboggans, skateboards, uneven bars, kayak and canoe paddles, bows, baseball bats, snowshoes and even bike frames are made with wood today. For decades now, collapsible boats have been made of birch-layered plywood and ash and until well into the 50s even whitewater slalom boats consisted of a wooden frame enveloped in a sheath of material and a rubber skin. All of these sporting items feature extreme durability because the material wood, when properly handled, boasts high levels of stability and elasticity with a low weight. It was not until recently that wood was recognized as a high-tech material, readily available and having only a very slight impact on the environment in terms of its “production” and further processing.
The main frame of the MONOWALKER trailer is made of selected ash, which is also used in the above-mentioned sporting articles. Ash, which is tough and flexible, is among the most stable of hardwoods and is therefore the best choice for equipment that bears heavy loads and has to remain stable under permanent load conditions.
Ash is very flexible after only one year of drying. The wood is warmed in steam heated to 100°C and can then be bent into special shapes. A further production step involves optimizing the frame in terms of weight by means of CNC milling. After all this, the bent frame has the same properties as the original wood and is resistant to aging and wear. Last of all, the frame is sealed with spar varnish, making it suitable for use outdoors.
It is our aim to produce the trailer using transport distances between the producers which are as short as possible. We therefore work with suppliers from Southern Germany and Switzerland in order to minimize CO2 emissions caused by the production of the trailer. 98 percent of the wood we use is indigenous, grown in Eastern Switzerland. The wood is purchased from local forestry offices in the region and has consequently traveled only a short distance by the time it reaches the production site. This makes it possible for us to guarantee consistent quality from the forest path to the finished product that leaves our production site.
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