Besides simplicity, the main advantages of Cycling, this is a pleasure velokolyaska before its progenitor and advantages, the main of which — good stability in motion and at stops and comfortable as in the car fit the driver. The prototype was recumbent, published in the “Modeller-designer” № 9’2000 But it’s a pretty complex space frame, two-wheel drive and steering made me think about how to simplify these nodes and make the car easier. I think that the goal was achieved and even receive a copyright certificate for the prototype.
Free energy wind always encouraged and designers-professionals and enthusiasts-homebrew to many attempts of its use. However, it was not so easy because of the “swampy” nature of the source. It should be noted that at present there are many wind turbines of various designs, capable of operating with high efficiency and effectively accumulate energy in the most convenient form of energy. However, the production of such wind farms on their own – a rather difficult task.
Many farmers dream of a mini-tractor. It can be purchased in the store or do it yourself. But the benefits of a mechanical assistant would only be the case if it comes with tools that allow to mechanize agricultural work. One of such tools — a homemade trailed two-row potato-planter, which will be discussed.
