Ouch!!!! It hurt but I guess I needed it badly.

Okay, I'm going to trip you guys up here...... Let's say I am going to build myself a new airplane, but just for the heck of it I am going to make the vertical fin stick down rather than up. (I know, I need very tall wheel assemblies so the fin won't drag on the ground)

With my newly designed airplane (vert. fin down, not up) I go ahead and install a bit of right thrust, okay?

NOW, what is the difference between this plane and other normal planes when they are inverted?

Answer: Normal planes have the engine thrust line angled slightly to the left when they are inverted, BUT my newly designed plane with the vert. fin pointing down has the engine thrust line to the right when it is right side up.

Gotcha..... both planes are identical looking (both vertical fins are sticking down) (standard plane is inverted) (and my newly designed plane is right side up) except for the fact that the inverted plane's gear is pointing up, not down, AND the inverted planes right thrust (usually when upright) is now angled to the left.

Thanks,

Ernie