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I just recently built a RC plane from junk around the house and realised it didn’t fly good. My friends told me that I did not locate the center of gravity. First, how do you find the CG and why does finding the CG make the plane fly better?

Generally, the CG of an airplane should be located about 1/3 the distance of the wing width from the leading edge of the wing… This is usually where the spar is located. To answer your first question, all you need to do is put one finger tip under each wing several inches away from the fus and lift. Keep trying this moving your fingers each time until the airplane is level when you are holding it with just your finger tips. You have now found the CG. As for why the plane flys better, it has alot to do with the center of gravity in relation to the center of pressure, etc. Without getting too technical, just try to get the CG around 1/3 the wing width from the leading edge, see how it flys, and adjust as necessary.

I own it, and think that it is pretty good coverage, my only complaint is that because I have oily skin it tends to melt off half way through the day. Whats a good powder I can buy to prevent this from happening, and what are your reviews about CG Aqua Smoothers foundation?
Thanks.

I own it and find that it is a bit oily and tends to look shiny on my face throughout the day. I’d recommend maybe trying the Revlon powder ( I haven’t tried it myself but their company has products that are long lasting and have great coverage. For instance, I use the eyeliner + foundation from their line and it doesn’t fade, smudge, and is long lasting)
OR maybe go with a liquid foundation.