30minute 3d model. 3/4" brass rod as stock.
I have some Ideas for the center pin and making the internal electronics serviceable.
Is it possible to cram the necessary electronics into this type of model, and how long would they need to be?
I am not a 3d/cad artist, first time i have touched a cad app in 10+ years
Looks good. IIRC you'll need an m19 thread to mate with the capsule. But you probably already know that. Also, the material should be brass, to match the capsule (avoid corrosion or any other problems when different materials meet). Contacting the center pin should not be hard, but it is a mechanical problem, hence out of my domain.
You don't need much space at all in the collette. Just enough for one transistor and two resistors. I would say 1/2 to 3/4" beyond the capsule (measured inside).
If anyone builds a pair of these, and is willing to give them to me (to keep), I will happily experiment and make my design and results public. I've decided at this point I don't want to put any more money into this, but I'm happy to experiment in exchange for parts!
Richard