Going to put the hives in your apiary improvised electronic thermostat — you will not regret. Because it is simple, in General, the device will create for bee colonies conditions, like the comfort, the economic feasibility of which has been repeatedly pointed out, and the magazine “modelist-Konstruktor” (see for example, №10’93, 12’96, 1’2000). The use of a controller leads to decrease almost two times the previous costs feed — sugar or honey because the bees do not have to spend energy to maintain the desired temperature.
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.
