Oil Door Test Movie - goatflieg Watch in HD on YouTube! Share on Facebook! Sharing this for any airplane builder geeks out there. No, the oil door isn't finished; neither is the cowling or even the airplane. No, I didn't actually check the oil; there is no engine oil in the preserved engine and the dipstick has yet to be calibrated and marked. Yes, this did make a fun distraction from building; the voice over says it all. Yes, it was one take only; hence the screwdriver fumble. Oh well.