Manufacturer of e-bikes equipped with a patent-pending frame of aircraft-grade aluminum

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22.08.2019

496

The Avial prototypes of e-bikes, built like an Aeroplane, equipped with both mid-drive system and rear-wheel motor of 250W will be presented at the exhibition Eurobike show 2019, which will be held from September 4 to 7 in Friedrichshafen, Germany. We invite you to visit our stand UO-211, where we can discuss the advantages and disadvantages of the design of our prototypes, as well as hear your suggestions about possible improvements or collaboration. Many visitors of our website already know…

12.07.2019

461

As well as on our first prototype with the rear-wheel Bafang drive with a power of 350W, and on the second with the mid drive motor Comp C17 of the same power, e-bike batteries 48V, capacity 13Ah were set at the initial stage of tests. These batteries were assembled from cells 18650, with a capacity of 2600mAh. As a result, such a battery requires 5 x 13 = 65 cells; therefore, the casing with such set of cells has big…

2.07.2019

433

The mileage of the second Avial e-Bike prototype, equipped with mid-drive motor Comp C17, moved beyond 800 km mark. Initially, we tested our e-bike prototype with the C17 motor, working in mode 48V/350W and giving up to 100Nm of torque. In such drive operation mode, our patented frame showed good ability to cope with a high of torque. We couldn’t record its negative impact from loadings on frame units. The first 300 km of Avial e-bike prototype tests underwent in…

22.02.2019

909

Since we received priority on the patent application filed earlier, the second version of our bike, equipped with a mid-drive motor, “drive” for tests without camouflage. It was very unusual: pedestrians, motorists and cyclists who turned out to be near, stopped, looked at with interest, and asked – Did he you do it by him yourself? What are the characteristics? Why square profiles, not round pipes? How strong is this frame? How much does it cost? What is the name…

2.02.2019

1138

Since the original Avial e-bike frame passed the CAD simulation for loads up to 140 kg, the bike itself was equipped with MTB components, including wide studded wheels with a diameter of 27.5 inches, taking into account the fact that the e-bike owner can go out of town and meet quite difficult passable roads on his journey, then after the first 30 km of the second prototype run along the city streets, it was decided to test its operational capabilities…

18.01.2019

721

For joint testing with a Comp 17 mid-drive system with a power of 250 / 350W and a 36V battery with a capacity of 11.6 Ah, the second prototype of the universal frame of our development was made; all the shortcomings of the first one were taken into account in the construction. In the new version of the frame, the distance between the axles of the wheels was also reduced, and the prototype geometry was optimized for size L. The…

13.12.2018

555

For installation on our electric bike, I received a sample of an average Comp 17 Sporty Design drive motor with hull dimensions of 167 x 252 mm and a weight of 3.8 kg. This drive motor, based on the joint development of Japanese and Czech engineers, is capable of operating from a battery with a voltage of 36 or 48V and, depending on the settings of the software, provides capacity of 250 or 350W. Distinctive features of this drive model…

4.10.2018

547

The prototype of the frame was made and, since the priority of the patent application filed earlier had not yet been received at the moment of tests start, for road tests the frame of the bicycle was partially camouflaged with a coloured tape. Before getting the sample of an average drive motor from Comp Drive, Bafang SWX 02 350W rear drive motor with a power of 350W was installed on the prototype. This drive motor worked in conjunction with a…

17.09.2018

351

Is it possible to invent a frame for a bicycle? Before visiting the exhibition and conducting a preliminary patent search, we were sure that it was impossible … However, it was worth a try. Surprisingly, the closest in design features was the Dujee bicycle model, developed in 1948 by a Japanese of the aircraft (at that time) manufacturing company Mitsubishi Heavy Industries. Around the same period, several European companies also made bicycles aircraft-grade aluminum – duralumin. Apparently, after the Second…

10.08.2018

302

Our tasks have not changed. For the realization of our plans we needed a frame that could have been made without welding and which could then be easily modified. At the same time, in the production of our universal frame for an electric bike modern technologies should be used, not to mention the fact that it should be durable and, at the same time, should not require any serious maintenance. The solution turned out to be, as always, simple and…