Why “actuators” is being discussed
The most recent Hacker News stories and comments contributing to this topic's mentions.
Here's a 1.1g linear actuator https://www.aliexpress.us/item/3256801316383625.html . Third photo is it sitting on a fingertip. But 1.1g is heavier than ultra…
by mrandish · Oct 21, 2026
This design still requires an additional servo for rotor actuation, so the minimum number of actuators is the same as for a fixed wing (roll and yaw are coupled, so the bare min…
by coderenegade · Oct 20, 2026
I was thinking in terms of pressure regulating valves on each output. That would solve the problem of different actuators needing different pressures, at the cost of efficiency…
by HPsquared · Oct 20, 2026
>Not sure if it counts as under-actuated Generally these aircraft still have three+ actuators, they just replace the rudder with differential spoiler or split elevons. Three act…
by schiffern · Oct 19, 2026
No, I think within five years you’ll literally have a robot standing in front of a cooking range with the mise en place that another robot has prepared and will take orders and…
by dyauspitr · Oct 19, 2026
Yes, but not via robotics any time soon. The first wave of AI job replacement will come from letting the computers make the decisions while the meatpuppets (personified by whoev…
by zemvpferreira · Oct 19, 2026
Interest
Proportion of Hacker News items mentioning "actuators" over time.
Mentions
Total number of Hacker News items mentioning "actuators" over time.