Congratulations Finn.
Bobby
From: Rotary motors in aircraft [mailto:flyrotary@lancaironline.net]
Sent: Saturday, February 20, 2021 1:25 PM
To: Rotary motors in aircraft
Subject: [FlyRotary] N214FL RV-4 First Flight
N214FL left the ground this morning for an 18 minute flight.
Main concern was engine (water) cooling. As you know, cooling is a compromise between drag from unnecessary air through cowling and adequate cooling during normal flight conditions. Climbed to 1,500' before pulling back on throttle to see if coolant temp would
stop rising. It did. Still, I think I erred in too small fluid inlet openings in the A/C evaporator cores I used for radiators. Some more work in that area is in my future before hotys arrive.
Cut the flight short due to a bit of smoke (didn't smell anything) briefly observed low in the cockpit at full throttle later in the flight. To be investigated.
Van's RV-4 with Mazda 13-B Renesis (RX-8) stock engine.
RWS 2.87:1 Propeller Speed Reduction Unit
RWS Engine Controller and Monitor (modified)
Performance Propeller 76x88
Empty Gross: Approx 926 lbs.
Engine log attached. Unzip and open with Excel.
WTALR: Water temp after left radiator
WTARR: Water temp after right radiator
Use EGT and CHT Ref to compare to OAT and adjust accordingly.
Finn
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