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Found 4 results

  1. I have a complete new EDM830 system for sale. Can take other JPI products in part trade and reduce the price accordingly. (EDM700,800, FS450 etc). Aerodon,
  2. Hi ... And happy Thanksgiving to everyone! For those who have seen some of my posts you know I am a big fan of engine data and watching for things the might be a potential future issue. Below is a trace from a flight on an M20J using an JPI EDM830 and uploaded to Savvy’s site. The flight is about an hour long and as you can see the engine was set up in cruise and left that way; steady RPM, MAP and FF and normal CHTs. Notice the oddity on the EGT for Cyl#2 - this pattern has been seen off and on during other flights - however on some flights, #2 is steady and grouped well with the other EGTs. Occasionally, #2 will exhibit a random tendency (with no pattern) to divert from the group, curing itself a few minutes later. At all times the rest of the engine parameters stay rock steady; nothing is felt or sensed by the pilot on this flight. What do you think are differential diagnoses for this? Please share details on why you think what you think. Notes on the above graph (as seen on Savvy Analysis’ site) the top traces are the four EGTs as a group plus FF. The bottom traces are the isolated #2 EGT (for clarity) and MAP. The temperature delta in the #2 swing peaks at ~50dF. CHTs are all in the 380’s and the #2 CHT does not fluctuate with EGT fluctuations. Is that not a better conversation than what is likely to happen at the Thanksgiving dinner this year? Ummm hmmm.
  3. I have a couple of extra JPI EDM800's that I have taken in on trade. These make for a very easy upgrade from a 700 to 800, and you get fuel flow, RPM, MP, OAT, % Power and more. These are the same probes and harnesses used for the EDM830 and 900 (mostly), so you are all set for future upgrades too. Contact me with a list of what you already have installed, and I'll put together a package for your upgrade. Don (