That is why you leave a hole in the end so you can add the coil after the fact. You will still have the top open but you remove any air flow.
It's not completed yet, but here's my first protoype of a pyrex encapsulated coil on a Standard DID (let me know if the link doesn't work): http://s1341.photobucket.com/albums/o750/Cloud_Wizard/Pyrex and Coil/?albumview=slideshow
Anyone know what I can use to seal the ends? I was going to melt in some silver NR wire, but it would take about 10 feet per end (I melted a few inches of 32awg 0.999 pure Silver down it it all but disappeared...) and the tube can be melted but is way too hot and would sear off the NR wires.
Bap,
Looks cool, if you have the "TBD sleeve" would the 3rd chamber be necessary? With the goal being isolation of the coil from vapor chamber, I think that could be achieved with a simple sleeve. If I had a lathe I'd definitley give it a shot though.
Jp,
I might have missed it in an earlier post, but where are you sourcing the ceramic sleeve?
So is it still ok to post ideas here......like my 3 chamber concept
What program did you use to create your illustration?