A Drone Motor Does e-Bikes
On paper, the motors from both an electric bicycle and a drone can both take about 500 watts or so of power. Of course, their different applications make them anything …read more Continue reading A Drone Motor Does e-Bikes
Category Archives: motor
How Much Thrust Is Your Prop Really Making?
The problem of components not conforming to their claimed specification is one that must challenge engineers in all fields, including it seems, that of multi-rotors and remote controlled aircraft. A …read more Continue reading How Much Thrust Is Your Prop Really Making?
Washing Machine Motors Unlocked
There’s great potential in salvaging a motor from a broken appliance, but so often the part in question is very specific to its application, presenting a puzzle of wires to …read more Continue reading Washing Machine Motors Unlocked
Double Fed Induction Motors: Clever Motor Control Through Frequency
Somewhere in most engineering educations, there’s a class on induction motors. Students learn about shaded-pole motors, two-phase and three-phase motors, squirrel cage motors, and DC-excited motors. It’s a pre-requisite for …read more Continue reading Double Fed Induction Motors: Clever Motor Control Through Frequency
Brushless ESC Becomes Dual-Motor Brushed ESC With A Few Changes
What is a brushless ESC, really? Well, generally, it’s usually a microcontroller with a whole lot of power transistors hanging off it to drive three phases of brushless motor coils. [Frank …read more Continue reading Brushless ESC Becomes Dual-Motor Brushed ESC With A Few Changes
The Chocolate Must Flow This Holiday Season
After a long December of hand-coating chocolates for relatives last year, [Chaz] decided that enough was enough and built a chocolate enrobing machine to do the dirty work for him. …read more Continue reading The Chocolate Must Flow This Holiday Season
Variable-Nozzle Ducted Fan Provides Fluid Dynamics Lessons
Any student new to the principles of fluid dynamics will be familiar with Bernoulli’s principle and the Venturi effect, where the speed of a liquid or gas increases when the …read more Continue reading Variable-Nozzle Ducted Fan Provides Fluid Dynamics Lessons
New Electric Motor Tech Spins with No Magnets
When you think of electric motors, you usually think of magnets. But magnets are heavy, and good magnets can pose problems when you need lots of them. A technology called …read more Continue reading New Electric Motor Tech Spins with No Magnets
Mahle combines two innovative concepts to field the “perfect motor”
One of the world’s largest tier-one auto parts suppliers claims it’s created the “perfect motor.” The compact Mahle motor uses no rare earth magnets, transmits power without contact or wear, and can run at high power indefinitely without overheating.Co… Continue reading Mahle combines two innovative concepts to field the “perfect motor”
Hands-Free Compass Uses Haptic Feedback
If you’ve never experienced it before, getting turned around on a cloudy day in the woods or getting lost during an event like a snowstorm can be extremely disorienting and …read more Continue reading Hands-Free Compass Uses Haptic Feedback