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That video is kind of like what i want to accomplish! If the servos could stop halfway until all 6 are halfway, then continue and stop until they're all stopped, then start again from the top down, a one way wave with the flowers opening and closing. Or maybe just use servos that go 90 degrees.
I was doodling trying to figure out how i would imagine how this would look inside the tube. I was thinking using a long length of spring but have spent a while trying to find anything close to the length i want to no avail. I've side tracked to looking up coil guns and ironing your own PCBs. The bow itself will be fairly narrow except for the handle part where i plan on housing the batteries and controller.
The piston thing i mentioned i was referring to was basically having a solid cylinder being pushed up and down a hollow cylinder, kind of like in the pic i'm attaching but using a servo.Yay, found an animation: http://www.grc.nasa.gov/WWW/k-12/airplane/powert.html. The flowers would be attached to the ends of the gray part that gets pushed out of the blue, with a bit of the flowers sticking out so it doesn't go in the hole completely. The vine isn't straight so i wouldn't be able to have 6 linked in such a way and that's when i started thinking of having separate mechanisms for each.
The spring was so that i could tie the servos or otherwise attach them to before covering the entire thing with a cloth tube. I'm not sure how i would go about placing stuff inside a plastic tube unless i cut pieces away. I'm thinking that i would have 2 sections of tubing with 3 servos each, each one having a connector at the end that i can plug into the microcontroller (i'd have a hole near the handle of the bow where the vine meets the bow to pass the connectors through). If i can make the bow 3 pieces, and have 2 sections of tubing with internal servos, then hopefully i can fit them all into my suitcase. Thankies for all the links! Now i'm probably too excited to go sleep with my plans looking to be more feasible than when i was trying to figure out the hows.Maybe a plastic tube that's soft enough to wrap around the bow would work as i can still cover that with a cloth tube. I can glue the small cylinders to hold the flowers and cylinders to it, then make the corresponding holes in the cloth.