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The blades I haven't thought about could be worth looking into once I figure out the 90-degree open/close mechanism for the arms. I dont think that will need additional motors. Maybe i can get by on my first test run.

I don't know the force required yet. I would like to keep it as light as possible with brushless motors and propellers. RB1957, As soon as the drone is in place on the ground I'd like to press a button and the arms expand out then when it is time to retrieve they will close. can open and close...

Hello, I've been working on a drone project and need some help with a mechanism for closing and expanding the drone's arms. Please see image below. What are some alternatives? Right now in my model i have a small servo motor and gears that can open the arms. Any alternatives? The OD is 45mm...

The launcher is needed because sometimes its difficult to safely access voids underground due to the dangers of rocks falling. It is a tight fit but I'm confident there can be something done mechanically for that 90 degree flip. The legs will collapse by using a lead screw powered by a motor on...

What methods would you recommend to deploy a drone out of a tube? The drone will be deployed vertical out of a 50mm tube approx. 500mm long. The vessel inside has a diameter of 46mm. I was thinking of using a linear guide rail and stepper motor. What would you do different?