ORIGINAL: Steve Steinbring
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If it were that critical your ''pony tank'' setups that you have most graciously shown us wouldn't work and you have most likely doubled the fuel capacity in the pictures shown.
In the extreme setup it maybe a problem, but just how much positive pressure do you need? Most of these engines can be setup then tuned to run without positive tank pressure anyway. We ran without pressure or with pressure for years flying U-Control not a big deal.
Care to share what you talking about and what a ''pony tank'' setup is Or what pictures I may have posted that caused such anger. Hmm controlline, yes I still fly controlline and I use Tetra bubbless type tanks. Hope that does not anger you futher.
John