If you have an old inflatable mattress, consisting of several independent sections, it is easy to adapt as life jacket for boating. You will have to sacrifice one of the middle sections, making it T-shaped hole for threading of the head. To fix the other slightly inflated section around the torso using the waist belt and extra lacing.
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UNCOMFORTABLE — COMFORTABLE
A simple device for carrying a wide sheet materials are easy to make yourself, having at hand two, tee, four corners and three or four water pipe section.
SCOUT-SPOTTER su-12
...1947. Air parade in Tushino. Thousands of viewers saw a new, unusual and, moreover, the plane. It was a monoplane su-12 (RK), constructed under the direction of P. O. Sukhoi. It was...
