Profile image

How does the com/col works?

3,633 Space137  4.8 years ago

I know how it works but I do not know how to make a stable and maneuverable plane

Also how to make a light aircraft?

  • Log in to leave a comment
  • Profile image
    12.6k HNL47

    @ThatOneF15Eagle no it's possible to make a plane with tye CoL in the front of the CoM just look at randomusername JTS8

    +2 4.8 years ago
  • Profile image

    @randomusername lol tailstrike

    +1 4.8 years ago
  • Profile image

    Good. Tell me if you saw any weird occurences with the short wings and whatnot, cause I want to make my OWN maneuverable plane, not just modify already maneuverable ones. @TUNDERTEAM

    4.8 years ago
  • Profile image
    3,633 Space137

    @ThatOneF15Eagle im gonna try :D

    +1 4.8 years ago
  • Profile image

    CoM should always be in front of the CoL, otherwise your plane will do backflips in the air once it takes off. I don’t really know about maneuverability, just put CoM closer to CoL (CoM should still be in front) and hope things go better, or just experiment around and find the perfect combo. Also, one time I read in a book and it said something like “shorter wings mean more maneuverability” so you may want to try that, but that’s just a part of the aforementioned experimenting.

    +1 4.8 years ago
  • Profile image
    3,633 Space137

    Thanks for the help guys : D

    4.8 years ago
  • Profile image
    29.8k ChiChiWerx

    By the way, this is how it works on planes in RL—unless it’s a relaxed stability jet like the F-16 in which computers help keep the plane under control.

    +1 4.8 years ago
  • Profile image
    29.8k ChiChiWerx

    In the Designer view, click on the little tool that looks like a little scale. You’ll see several colored lines appear. The red vertical line is the Center of Mass (CoM) line. The blue line is the Center or Lift (CoL) line. Weight forward—either fuel or dead weight—on your build should move the CoM line forward...towards the back should move it back. Wing position will move the CoL line. Make sure your red CoM line is slightly ahead of your blue CoL line, probably .25 to .5 SP units to yield good stability while being able to turn and lift the nose. If your build won’t turn or you can’t lift the nose, move your CoM line back towards the CoL line until it can—or increase your elevator surface. If your build tumbles, move the CoM forward by adding weight (fuel or dead weight) forward.

    +1 4.8 years ago
  • Profile image
    9,428 vcharng

    The Center of Mass should always be slightly in front of the Center of Lift for an aircraft.
    Wings create upward lift as well as a rotational force to make the plane flip backwards. So you need the CoM in front to create a front-flipping torque to more or less counter this out.

    +2 4.8 years ago
  • Profile image
    16.4k ThePrototype

    Do you mean COM in front of COL? Doing that will just making your plane unstable... @randomusername

    +2 4.8 years ago
  • Profile image
    3,633 Space137

    Me planes are kinda bad at maneuverability

    4.8 years ago