Ok
It's been a very long time since I posted anything here on FC but I just felt like I had to share my experience with everyone, just in case I may help anyone who has the same problem as me...
I've had a Cera since the very begining --I mean like one of the first 20 or so ever-- and went through all the teething problems, but Cera performed fine for months after a new switch and getting the laser welded strap. Until one day the new strap burned out at the top, I think the welds were too close together as after getting a new strap again the tiny weld dots were much more evenly spaced.
But alas even after a few attempts she was never the same again. It came back DOA the first time and the second return lasted about 3 hours before it too died once again. This time at the bottom where the switch ring screws in, the copper strap is crinkled looks like it caught when the ring was pushed onto the bottom of the tube and broke.
I am ok with all of this even though I will never get it properly repaired and this is the secret I wan't to share.
I followed OF's suggestion a while back when people started having strap problems to determine if it was the strap indeed, in fact my work around actually evolved from the simple experiment to prove the location of the fault.
My first attempt was simply a length of 0.64mm copper telecom cable with about 5mm (1/8" i think) striped bare on both ends, and held one end hard against the switch housing and a 90 degree bend on the other to poke the bare copper into one of the set screws at the other end to complete the circuit. Now this worked ok to prove the fault, but was not a permanent solution, onto version 2, 3, and 4 all using the same theory but slightly different combinations of wire/design. Again they all worked but still lacked full power. Version 4 was the best for my E-cig cart but the 1.5mm steel wire just had too much resistance and would heat when powered for much longer (I.E. with the LL cart).
So onto version 5 which I actually thought to take pictures of:
Yes it is quite ugly but it really has grown on me in a steam punk kind of way
BUT... most importantly it works. I have used a 2mm copper welding rod ground the end on the bend down to a fine long point that fits inside the set screw and filed a flat side down the bottom to meet the steel ring. The more astute will have noticed the little bit of solder I used to get the best connection I could at this point. Let me tell you soldering to stainless is a feat unto its self but possible. Now I still get a little resistance heating at the bottom when I use the LL cart but I don't think I can get much better, and besides I bought a whole new set from
@Roth which works perfectly, so now I have my macguyver daily driver for my e-cig and my un-adulterated weekend driver for LL. I also have a nearly brand new LL core which I'm gonna keep in a container with a silica bag to keep it dry as a back up for if the inevitable happens in a few years and my original LL cart burns out. Also I'm sure that it would work fine for the Oil cart but as I don't have any nice clean oil to put in the cart I got from roth with my second set I can't test that theory (and I aint about to gunk it up with the dirty QWISO I have at the moment)
So there you go it is possible to resurrect a dead Cera depending on the circumstances. I hope this might shine a little bit of light into the darkness all ye owners of Cera must be feeling, I know I am.
Rob.