This required a different red cube, a higher pressure boost pump and a few changes in plumbing behind the firewall. This caused turbulence and gave erroneous readings at take off power, but was reasonably accurate during cruise.įlash forward I changed the engine to Bendix fuel injection. The fuel flow red cube had an immediate 90 3 inches after the output (mounted on cabin side of firewall). I want to minimize potential for error in flow/totalizer computations I will run MOGAS from one tank and need to mitigate vapor lock (though post mech fuel pump install should take car of that) #1 Safety: I don't want fuel lines breaking or coming loose. Even with the limited mass of the cube, the movement on the lines concerns me. I still have concerns about the inline/free floating installation. I did think about securing it to the FAB with some reinforcement, but that would leave a pretty short fuel line form Cube to carb. I would prefer to mount it to engine to give it more security, but there's nowhere logical to mount it without rerouting a bunch of fuel line. I've picked this spot because it meets the install criteria, but also because there's no exhaust pipe down low on that side. EI says 45/90 adapters are ok but prefer straight or 45 at input to ensure accuracy.EI says inline/floating installation is ok.Cube installed after fuel filter/screen.
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