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HOW THE CENTRE OF THRUST INFLUENCES LIFT

56.2k AviownCorp  6.7 years ago

In case of jet planes:

If you increase the angle of the engine from
0.1 to 0.5 degrees then you can get
an extra lift!

In case of conventional prop planes:

just follow the same tip of jet planes

In case of pusher prop:

If you put the centre of thrust above the
centre of mass then the plane will always
pitch down. That means it will have a nose
down tendency. Putting the centre of thrust
below or same line of the centre of mass
will give you adequate lift.

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    56.2k AviownCorp

    @JangoTheMango may be

    6.7 years ago
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    162k spefyjerbf

    Useful, but I wouldn't call it lift. It's just balancing thrust force to work with an existing airframe, I guess.

    +1 6.7 years ago
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    Nose-up does not necessarily mean lift, it could lead to a stall and you certainly don't want your nose pointing upward in a stall.

    That said, nose-up is usually a lot more comfortable to manage than nose-heavy. That's probably why we almost never see seaplanes on here. People have a tough time building good seaplanes with a decently high center of lift.

    +1 6.7 years ago
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    30.4k soundwave

    Very helpful

    +1 6.7 years ago
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    56.2k AviownCorp

    @Treadmill103 you can use it!

    6.7 years ago
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    56.2k AviownCorp

    @Blue0Bull I use it whenever I need to generate extra lift. Even in my last build I have used it.

    +1 6.7 years ago
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    56.2k AviownCorp

    @Feanor it is tried and tested

    6.7 years ago