From Land to Water

DIY flat-bottom rowing boat under 67 kg

There are many rivers and lakes that can bring joy and pleasure to those who enjoy recreation on the water. But most bodies of water where you can boat are located far from populated areas. Leaving a boat in such places is unsafe. Therefore, today we invite DIY enthusiasts to get acquainted with a compact, Read more…

A Dental Drill Made from a… Sewing Machine

DIY electric rotary tool with flexible shaft

For most people, mentions of a dental drill bring unpleasant feelings. But for a skilled craftsman the attitude toward this equipment is different. Perhaps only this mechanism makes it possible to machine complex surfaces and hard-to-reach places in contoured parts. That is why, among other necessary fixtures and equipment, an electric rotary tool (dental drill Read more…

A “Pocket-Sized” Barbecue Grill

DIY portable foldable barbecue: patterns & assembly

The design of this portable barbecue is convenient both for camping conditions (for example, for tourists, hunters, or anglers) and for a garden plot or a country house for quickly cooking shashlik or roasting vegetables, frying sausages, frankfurters, or fish. Its advantage is that this kind of barbecue can be taken apart and folded instantly, Read more…

Indispensable Around the Homestead

Shassik mini-tractor: Sverbl DIY build

We continue the story of the machines and mechanisms built by V. A. SVERBL — an amateur designer from the village of Zelenchukskaya in the Karachay-Cherkess Republic. In the publications “Walk-behind tractor — nothing superfluous”, “A reliable helper for the walk-behind tractor” and “A compact car with the character of an all-terrain vehicle” (“Modelist-Konstruktor” Nos. Read more…

Snowped — A Wintertime Fun Ride

DIY snowped: design, skis and riding tips

In clouds of snow dust, unusual machines rush down from a high mountain — they look like bicycles, only with skis instead of wheels. On the riders’ feet are slalom boots and skis as well — short ones, with rigid bindings. The outfit is a dense leather jacket, stretch pants, a hard protective helmet, thick Read more…

Seated Pull-Up Bar

Universal home exercise bar instead of a gym

Two or three intense strength exercises can be more effective than prolonged unloaded gymnastics. A horizontal bar or parallel bars are good for this — equipment clearly not intended for an apartment. However, they can be successfully replaced by a simple device proposed by the Hungarian magazine “Ezermester”. It takes up little space, is versatile, Read more…

Bearings for a Bicycle Generator

Bicycle dynamo upgrade: ball bearings instead of bushings

Some models of the bicycle electric generator, better known as a “dynamo,” have serious design flaws. For example, the plain bearings in which the rotor shaft rotates need periodic lubrication. And their design is inconvenient to disassemble. Once the lubricant is depleted, increased friction appears, along with wear of the bearing bushings and of the Read more…

KRAB: A Demountable Yacht

Crab foldable boat: DIY build and assembly

The proposed design is a five-section three-seat boat with a carrying capacity of 320 kg. On tourist trips, once hauled ashore, it turns into a fairly spacious “tent,” especially if a piece of polyethylene film is thrown over the top. The boat is so simple that even a person unfamiliar with boatbuilding and having only Read more…