Extendable Linear Actuator

Linear actuator with mininum length 20cm and can be extended by 10cm segments.

Non printable parts needed are T8 lead screw with brass nut. https://www.aliexpress.com/item/1005002277808736.html?spm=a2g0o.order_list.0.0.7d801802sy60tu
If you have the setup I have - that is 30cm setup, you need +5cm longer lead screw = 35cm. If you would have the actuator without the middle segment, you need 25cm TR8 rod.

Piston is a 15x1mm aluminium tube.

Motor is a standart 370 motor with a gearbox - JGA25-370. https://www.aliexpress.com/item/32987942205.html?spm=a2g0o.order_list.0.0.24e61802fzAk8I
Voltage and gearing of the motor and the pitch and lead of the T8 is definitely up to you. I'm using this actuator to open door and window in my greenhouse, I don't need it to be quick. I'm using 150rpm motor with T8 8x2mm. It takes about 30 seconds for the actuator to fully extend. Strenght is good enough, I was not able to stop it holding with my hands, but the actuator is not designed to b