F9F Panther... Generic Physics...Speed Brakes-Rotary Knob.....Sure the Av guys will get this on the right track.
Thanks to Bladescraper for his input and effort on a G4 Av.
Edit.....It was brought to my attention that run times were to short, there is a fuel tank oz increase av that should solve this, or can be edited to a larger fuel oz size in the RF editor.