There are many threads on these forums about engine selection for Zeniths. In several threads, the topic of "mid time" Rotax engines has come up, and it has been noted that you don't see ads in…Continue
Has anyone with a CH750 and a Jabiru 3300 and Sensenich ground adjustable prop re-jetted the carb? I am about to go through the process described in the Jabiru/Bing tuning guide, setting prop pitch…Continue
I used SavvyAnalysis to look at a couple of my log files off the Dynon. Seemed relatively easy to upload and signing up and allowed me to look at CHT and EGT on all four cylinders for my UL350iS. May take you up on your offer and send you a file after a get a bit more flying in. Thanks for the quick reply! Dave
Ended up with a 280 main and a 2.90 needle jet. Angled the carb float bowl a few degrees toward 1 3 5 cylinders. Right now all is good exce
pt #5 a little hot EGT and #6 a little cool. Running the Whirlwind GA prop at 15.5 degrees. Pulling 2950 to 3000 rpm at full power 60 mph climb. Next step will be to put the fins just in front of the carb intake to hopefully smooth out 5 & 6. Hope to then go back to 275 main. Cylinder Head Temps smoothed out after the rejet. #1 is running a bit cool. Hope this helps. Feel free if you have any more ? Is your 750 flying? Bob
I wish you the all the best with your project. If you ever get the chance to visit the Zenith factory please take the time to stop by our builder assist facility too. We are their newest and nearest builder assist facility and like to have visitors. We are right here in Mexico, Mo., not far from the factory.
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