As a rule, the design of velomobiles produced by homebrew are applications. That is, if the velomobile is designed for sports, speed runs, then all of its design features correspond exactly to this, and it is unlikely such a machine will be able to exploit an older person for the daily commute. And, on the contrary, completely eliminated the sports participation of household malogruzovaja-workers. This distinction is understandable, since for velomobiles of different types of completely different design principles, design loads and as a result design components and parts, design. But as it turned out, “harnessed to a cart horse and quivering DOE” is still possible. Confirmation of this — I have made velomobile “Grupas”.
In the early 70-ies I happened to be a member of origin in the country of Windsurfing. In those years, sailing enthusiasts Board has high hopes for its extensive and widespread, but, unfortunately, a truly massive this sport did not, although the number of adherents of the sail increased significantly over the past two decades.
Talking about various musical instruments, it is impossible not to recall the, perhaps, popular and indispensable in modern orchestras and rock bands. Of course, this is the electric guitar.
Starting to manufacture handmade furniture, a home master, most do not have the skills of carpenters professionals are faced with two main problems (not counting, of course, of the shortage of materials and tools) — how exactly to cut and how exactly to drill! Indeed, those who master these seemingly simple operations, it becomes on the shoulder almost any design, but… the skill takes time, and burned once, some often give up before they have lost all desire to make.
When performing various jobs around the house was sometimes necessary to have on hand a source of electricity with lower than the normal network voltage. For example, to illuminate the water in the tank (to save the bulb from premature burnout of the filament), etc.