RE: UAT or no UAT
Xairflyer
If you want to land with a reserve of fuel in your tank you can fly for a little less time or get a bigger tank, I don't feel you need the complication of three more connections in your fuel line just for that.
One thing that was mentioned in RCJI when they tested the Graupner G Booster was how tollerant it was to air in the fuel line, this they put down to the Kero start or at least it was a contributing factor, this I have found to also be true of Kero start JetCats, even it there is a bubble in the start line my JetCat seems to ignor it and still go through its start sequance without problems, perhaps this is one of the reasons why I am not getting a problem without a UAT.
Mike