5+ hour, 13+ min ago   (272+ words) The balance bikes toddlers are rocking these days look like great fun, but not so great in the snow. Rather than see his kid's favourite toy relegated to shed until spring, [John Boss] added electric ... The balance bikes toddlers are…...

1+ week, 3+ day ago   (324+ words) Bicycle Tows 15,000 Pounds'Hackaday An old joke in physics is that of the "spherical cow, poking fun at some of the assumptions physicists make when tackling a new problem. Making the problem simple like this can help make its fundamentals easier…...

1+ mon, 2+ week ago   (323+ words) Hydrofoils are perhaps best known for their application on boring ferries and scary boats that go too fast. However, as [RCLifeOn] demonstrates, you can also use them to build fun "read more Hydrofoils are perhaps best known for their application…...

2+ mon, 3+ week ago   (227+ words) This liquid-cooled, horizontally opposed 12-cylinder two-stroke diesel engine featured a piston-ported design with shared crank pins in a fork and blade arrangement. Its two-stroke configuration vastly reduces pull loads on the conrods, allowing for lighter one-sided half bearings. The six-throw…...

3+ mon, 4+ day ago   (382+ words) Anyone who has ever snapped a chain or a crank knows how much torque a bicycle's power train has to absorb on a daily basis; it's really more than one "read more Anyone who has ever snapped a chain or…...

3+ mon, 1+ week ago   (357+ words) It's often said that one should not reinvent the wheel, but that doesn't mean that you cannot change how the use of said wheel should be interpreted. After initially taking "read more It's often said that one should not reinvent…...

5+ mon, 4+ week ago   (291+ words) [A photo of a Stirling Engine attached to a bike]Over on his YouTube channel [Tom Stanton] shows us how to build a Stirling Engine for a bike. A Stirling Engine is a heat engine, powered by the expansion and…...

6+ mon, 1+ week ago   (263+ words) [Marauder LowRacer banner]Thanks to [Radical Brad] for writing in to let us know about his recent project, building a street racing bike from square tubing and old bike parts. In this 50 "read more In this 50 minute video [Radical Brad]…...

7+ mon, 2+ week ago   (330+ words) For those motorcyclists looking to get a classic American-style cruiser, often the go-to brand is Harley-Davidson. However, these bikes not only have reputations for being stuck in the past, both "read more For those motorcyclists looking to get a classic…...

10+ mon, 5+ day ago   (434+ words) Nobody ever dismantles a working motorcycle. The Ner-a-Car ... not-working machine that should be familiar to any owner of a vintage internal combustion engine. But considering that the bike ... Nobody ever dismantles a working motorcycle. About ten years ago [Andy Pugh]…...