procharger Posted July 8, 2020 Report Share Posted July 8, 2020 I replaced mine again with new and it reads totally different than the old one on start up new shows 4.2 then start to fly it goes to 1 or zero land and put old sender back on reads 5 on start up and 4.2 flying can't depend on these units for accuracy I guess any one else had this? Quote Link to comment Share on other sites More sharing options...
Roger Lee Posted July 9, 2020 Report Share Posted July 9, 2020 Possible it has some air in the line or even though it's new it's defective. Quote Link to comment Share on other sites More sharing options...
FlyingMonkey Posted July 9, 2020 Report Share Posted July 9, 2020 9 hours ago, Roger Lee said: Possible it has some air in the line or even though it's new it's defective. Agreed. Procharger, why did you replace it? Sounds like the old one was working. Quote Link to comment Share on other sites More sharing options...
procharger Posted July 11, 2020 Author Report Share Posted July 11, 2020 Old one was acting funny I cleaned it then it was ok wanted to make sure it wasn't lying to me so I put on a new one, so I don't know what the deal is on these things. Quote Link to comment Share on other sites More sharing options...
GrassStripFlyBoy Posted July 11, 2020 Report Share Posted July 11, 2020 Fly an older SW without fuel flow instrumentation - sometimes ignorance really is bliss. Quote Link to comment Share on other sites More sharing options...
FlyingMonkey Posted July 11, 2020 Report Share Posted July 11, 2020 1 hour ago, GrassStripFlyBoy said: Fly an older SW without fuel flow instrumentation - sometimes ignorance really is bliss. Quote Link to comment Share on other sites More sharing options...
sandpiper Posted July 11, 2020 Report Share Posted July 11, 2020 4 hours ago, GrassStripFlyBoy said: Fly an older SW without fuel flow instrumentation - sometimes ignorance really is bliss. Mine is a 2007 with a D-100 but not a D-120 on the right side. Just steam gages. Fuel pressure problems? What are you talking about. Quote Link to comment Share on other sites More sharing options...
FlyingMonkey Posted July 12, 2020 Report Share Posted July 12, 2020 15 hours ago, sandpiper said: Mine is a 2007 with a D-100 but not a D-120 on the right side. Just steam gages. Fuel pressure problems? What are you talking about. Exactly my setup. Sometimes I wonder if the full-fledged EMS systems just create anxiety as they give so much information that it's inevitable that *something* will have an abnormal indication that is not really a problem. Quote Link to comment Share on other sites More sharing options...
Roger Lee Posted July 12, 2020 Report Share Posted July 12, 2020 This has always been an issue since analog has been going by the wayside. There is nothing wrong with all the extra and detailed info. It's just educating pilots to what it means, how to interpret it, what is normal and how to tell when a reading is erroneous. Quote Link to comment Share on other sites More sharing options...
FlyingMonkey Posted July 12, 2020 Report Share Posted July 12, 2020 1 hour ago, Roger Lee said: This has always been an issue since analog has been going by the wayside. There is nothing wrong with all the extra and detailed info. It's just educating pilots to what it means, how to interpret it, what is normal and how to tell when a reading is erroneous. Sure, that lack of education is the source of the anxiety! For example, the fuel pressure issue. A low FP reading is not a cause for concern IMO as long as the engine is still making full RPM. If it does that it clearly has enough pressure. If the fuel pump fails entirely the airplane can still make enough RPM from gravity feed to affect a safe landing. This obviously is only true for carbed airplanes, fuel injection has a different set of fuel pressure requirements. Quote Link to comment Share on other sites More sharing options...
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