Thanks for the assist guys. There's a link to a 'how to' video - somehow I missed that the images were clickable - der!
Regarding fill speed - I think Thirsty was maybe being a little over-cautious in my humble opinion. I've heard of double pre-evacuation units (one is a vacuum to suck the air, the second is to replace the vacuum with CO2), the double quite often being an option (i.e. a nice-to-have but maybe not necessary) so I think that three evacuations may be overkill? As for the filling speed - I use a double head semi-automatic CP filler at the moment, and the speed that Thirsty has is quite slow. I can bottle 6 a minute - that's 20 seconds from picking up the bottle to removing it from the filler at the end including manual pressure release.
Now, bear in mind that I don't bottle beer, and I don't have anywhere near as many fobbing issues as beer does. Also, there's a lot of Ascorbic acid in my products, so that's a natural anti-oxidant anyways.
This may sound dumb, and I have no experience here on these units, but here's my plan:
Find the right setting on the pressure release valve that allows a good fill rate with lack of fobbing then leave it there permanently. When I fill up with CO2 it will escape from the bottle and I'll have about 4 bar of CO2 pressure behind it so it should take about 1 second to evacuate a 330ml bottle! I don't mind that the CO2 escapes or that the bottle pressure doesn't match the keg pressure at the time of switching to 'fill' mode as I have to move it to that setting anyway. The bottles will be glass, so there's no way to test 'firmness', and as the CO2 is heavier than the air it will sit on the top of the product anyway at the headspace, and most of that CO2 will be displaced by product anyhow. Any potential fobbing will be put 'under pressure' straight away as the bottle starts to fill. Any bubbles that my product produces are quick 'light' unlike beer foam so they pop under pressure quite well.
This enables me to run a quicker operation per bottle, and I imagine I'll be running the pressure valve more open than Thirsty. The products will have been run through 5 lines (at least, possibly 10) of a 10 line remote beer chiller running an ice-bath config before it gets to the filler so it should be nice and cold an keep the CO2 dissolved as much as possible.
If I can run just four of these simultaneously, and lets say the worst case scenario is a full minute per bottle per filler (including pick up/set down etc) then I'll get 4 bottles per minute which is 240 bottles per hour. Lets be cautious and say 200 per hour. A pallet of 1880 bottles would take 9 1/2 hours to bottle if I did it all in one go.
For a few hundred $ it's got to be worth taking a punt on those numbers! If anyone sees flaws in my calcs then please slap me.
And before I go and make myself sound like a complete ass, I've not used this kit, Thirsty has, and as long as he's happy then he should continue with his method. I'm not trying to make it seem that I know better, I'm just trying to adapt his methods to make myself a few $, and save myself even more! Renting the filler I use at the moment is costing me $350 per pallet day (although that includes gas, mixing vessels etc).....