Thanks 3DDave, its ironic you talk about designing a magnetic switch as this was the original design.
It was also based on the design from a youtube videos shown below...
https://www.youtube.com/watch?v=dSdL7FlGlVc
https://www.youtube.com/watch?v=KXBQA_OiOfk
My earlier design which used this...
In terms of resetting the cassette to the closed position, a temporary tool could be used that fits into the cassette to help pull it back...
To answer some of the questions:
@itsmoked: "Would seem like an FAA kind of problem though letting solid objects fall (bomb) to the ground." - this...
The application is for skydiving and its usually a requirement to have some form of cut away system when using a camera.
The following video shows exactly why such a system is required...
Link
The cut away system in the video has a cable on the chin strap, which allowed the skydiver to remove...
Thanks for everyone's input, I've added some more images below with answers to the questions asked.
The bottom part will be fitted to a helmet and the top part will be fitted with a GoPro camera. The idea is to jettison the camera in the event of an emergency, this is assisted when the...
Thanks for the replies
What if I was to fit a spring that was compressed when the cassette is in the closed position...
If the force required to pull the cassette is currently 6 to 7kg, then if each spring applied a few kg of force when compressed would this reduce the pull force required...
My design has a linear, sliding 'cassette' [purple] which slides by pulling on the teflon cable [yellow]
In the cassette are magnets (x15) which attract to a mating part (not shown) with the same number of magnets but with reversed poles.
When the cassette is in the closed position, the...
