Instead of the usual steering wheel, I installed a column of the front manual drive of a two-stage chain transmission on the bicycle machine (Fig. 1). When moving, depending on the height of the cyclist, the angle of the column can be easily changed. The saddle is moved back. Both wheels are leading, have five-speed Read more…
The experimental winnowing machine-sorter is designed for selection work. The winnowing machine body is made of pine beams, to which the side plywood walls are attached. The beams are assembled into a tongue and groove in half a tree. The receiving bucket is equipped with a flap, the movement of which regulates the grain feed. Read more…
Maximum simplicity of design and minimal complexity of manufacturing – these are the principles that were used as the basis for the creation of the Gnome micromotorcycle (see photo). The frame is made from parts of a scooter and a frame from a road bike (see Fig. 1, 2 and general view). The connected horizontal Read more…
It is unlikely that among adults there will be a person who can remain indifferent to the appearance of a beautiful homemade car or motorcycle on the street. And what can we say about the boys, if just the opportunity to ride in such a car is happiness for them! And how often can you Read more…
The idea to build a homemade car did not come to me right away, since I had a Moskvich. However, our terrain is such that you can’t get around in a passenger car, especially in muddy times. At this point you will inevitably think about a vehicle with higher cross-country ability. I am a mechanical Read more…
The Pioneer class kart is the smallest of the sports racing cars. The working volume of its engine is only 50 cm 3 . Such karts are built for races in which children aged 9 to 16 years participate. Unfortunately, the industry does not yet produce these machines, and they are created in sections and Read more…
A micromotorcycle is one of the simplest, most accessible and safest means of teaching teenagers how to ride in motoring towns. Purely externally, in terms of layout, it differs little from a “real” motorcycle. At the same time, it is lighter, more maneuverable, and its speed “ceiling” is relatively low. In the design of micromotorcycles, Read more…
The sailboard has gained enormous popularity today. More and more bodies of water “bloom” with its bright triangles in the summer. However, when there is no wind, windsurfers and their sails lie along the shores mostly idle. And then athletes should remember another wonderful type of water sport – rowing. Let us remind you that Read more…
The operating life of lead acid batteries largely depends on their proper operation. According to technical conditions, it is unacceptable to discharge one section below 1.7-1.8 V. Charging with a current significantly exceeding 1/10 of the nominal battery capacity, expressed in A*h, causes the electrolyte to boil. This happens, for example, when the relay regulator Read more…
Most velomobile designs feature a rigid connection between the frame and wheel axles. This places increased demands on the quality of a number of parts that cannot be produced at home. The relatively high seating position of the rider on most velomobiles impairs the stability of the car when cornering. Due to their large dimensions, Read more…
