https://youtu.be/_KrP3djoLN8?si=uXl0YFOiDOt9nrBq The stroke length on all my models is long, right around 5mm. I engineer these machines for stroke characteristics, not stroke length though. What that means is that my...

https://youtu.be/yfXUytl6Tqg?si=RGF666meg4rKhQy7 In this video I attempt to explain tattoo machine torque. There is some good fundamental information here, while there is so much more that could be elaborated on or...

The problem with this solution is that the more powerful motor and longer stroke has just as much power coming back as coming down. This configuration has just as powerful...