Thursday, August 11, 2022

Update 8/11/2022

 Blue dye from 100 LL was appearing on the top of the injector bosses where the 90 degree elbows screw in.  I took the side cylinder baffling loose and removed the allen head screws that holds the top part of the boss down over the injectors, then removed the elbows, cleaned up the parts and reassembled with Permatex 56521 (recommended by Ross).  Red Loctite is applied to the small screw threads.  I ran the fuel pump and verified no leaks.

The lower cowl 60 degree ramp that diverts air for the #2 cylinder was trimmed by 1/4" in attempt to get some more air to it.  I think #4 is getting more of it's air.  The delta temp is 20-30 degrees rather than 50.

The ADAHRS was moved into the nose above the pilot's feet in order to get better magnetic isolation.  Still need to secure the network cable and OAT wires so they don't get snagged by the pilot's feet.

Installed Dynon WiFi dongles, configured and tested connectivity with my iPhone.

Next flight, need to quantify the right roll (if any) needs further action.  Possibly a Gurney flap may be in order since it would be easy to tweak.

I'm considering doing another W&B with fuel, oil and pilot to ensure the actual numbers are matching the spreadsheet and Dynon W&B calculator.   Previously, the stations, weight and CG seemed pretty close to the prototype POH.  The exact weight of the fuel and oil may be hard to get within 10 .lbs.  The nose is slightly above level so I need to get it level for the W&B test.





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