TO PREVENT CARS FROM RUSTING

TO PREVENT CARS FROM RUSTING

Rust is enemy number one of almost any metal. The “red plague” that with enviable persistence and constancy turns hundreds of thousands of tons of sparkling high-grade, high-strength, alloyed steel into heaps of brown powder. A disease for which there are no barriers… But there are remedies for it: galvanic coatings, varnishes and paints, bitumens Read more…

With a sidecar and a trailer

Homemade trailer for motorcycle with sidecar: track-for-track

I read in the magazine «Modelist-Konstruktor» No. 12, 1992, A. Tatarnikov’s article «Obedient trailer». It suggested a solution to what at first glance seems a rather ordinary, but on closer look almost unsolvable problem: how to fit a motorcycle with a sidecar with a trailer that would follow it track-for-track? The idea of building a Read more…

TRANSFORMERLESS UNINTERRUPTIBLE POWER SUPPLIES (UPS)

Wall clock powered by the aforementioned power source

Portable electronic devices with low-voltage power supply are often designed for batteries and accumulators. Among such devices, the most popular are electromechanical and digital clocks, radio receivers, flashlights, and… wireless doorbells operating on a radio channel at a frequency of 303 MHz (there are variants at 933.25 MHz). Digital cameras with a connector for external Read more…

Double-IZh

Fig. 1. Duplicate IZh engine by A. Antipin.

When building amateur aerosleds, gliders and hovercraft, the greatest difficulty is usually choosing the right engine. Standard production engines often fail to satisfy home‑builders in many respects, particularly in terms of specific power. The most radical way to solve this problem is to build homemade engines using parts from serial motorcycle engines. Readers of “M‑K” Read more…

ECONOMY LADDER

Economical Attic Staircase DIY: Complete Step-by-Step Guide

If a country house or rural home has a high roof — it’s a sin not to take advantage of such an advantage and not to arrange an attic there: it can serve as an additional bedroom, study, and even a children’s room. The under-roof space itself can be equipped both during construction and in Read more…

Compact folding table

Drop-leaf Ash Table DIY: Drawings & Step-by-Step Guide

Drop-leaf tables have been known for a long time and they are consistently in demand because they take up little space. But buying a table of the right size in a store is not always possible, so you often have to rely on your own hands and ingenuity. The proposed table is made of ash. Read more…

The spray can will still be useful

DIY paint roller made from an aerosol spray can

No matter how much humorists joke about repurposing items that have served their purpose, a DIY enthusiast’s soul won’t allow them to throw away something that could still be useful around the house. I’d like to share such an experience of using an empty aerosol canister. Indeed, it’s a pity and not rational to throw Read more…

Rakes with wheels

DIY Wheel Rakes for Hay Collection: Instructions

Ordinary hand rakes for hay collection are an ancient tool familiar to every rural resident. As a rule, all parts of this tool are made of wood to make it lighter—after all, you have to hold it almost always in the air during work. The width of hand rake capture is small, and accordingly, productivity Read more…