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SA 3D and Freestyle Aerobatics Discuss 3D or Freestyle type Aerobatics

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  #1  
Old 11-27-2007
torombolo torombolo is offline
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Que pasa???

Bueno que es lo que pasa con el foro de 3D que esta muerto??
El 3D es lo mas que se esta volando por ahy,
y nadie dice nada??
Pues una preguntita, pa'3D el CG deve estar bastante atras no??
Y para IMAC normal??
Que hints pueden dar para hacer un blender??
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Old 11-27-2007
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Vic3D Vic3D is offline
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Bueno yo no se mucho de 3D pero te contestare mas o menos.

Tener el avion tail heavy ayuda a hacer 3D pero no es necesario. Para IMAC, tener el avion bien balanciado, a veces hasta nose heavy, es mejor. Mi avion siempre ha estado un poco nose heavy para IMAC, pero puede hacer 3D de lo mas bien. Estar tail heavy ayuda a hacer pues el avion mete la cola mas facil, y hace harriers y torque rolls mas estable. Mientras mas tail heavy, mas facil se hace hoveriar, harrier, rolling harriers, basicamente todo tipo de maniobra 3D.

Como hacer un blender? Llevate el avion bastante alto. Tumba power, metelo en picada y aplica aleron izquierda para que empiese a roliar bajando. Cuando tengas ya impulso roliando le metes down elevator y rudder derecha. O sea que cruzas el rudder con el aleron. Aqui el avion se va a volver un 8. Para "flatiar" el spin y caer en un flat spin invertido, sencillamente ve moviendo el aleron de izquierda hacia la derecha hasta que el avion quede flat.
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Old 11-27-2007
torombolo torombolo is offline
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Vic tienes toda la razon tu no sabes na de esoel blender es donde se hace la piña colada

Gracias por el imput, osea el blender es el comienzo para el flat spin right? o ya mescle y desmadre tu explicacion...

Vamos mi gesnte digan algo que yo se que por ahi lo mas que hay son dementes de 3D, si yo los he visto, por ahy hay 2 o 3 que hoverean hasta un avistar y si los dejan le meten un MOKI 210 pa eso namas
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Old 11-27-2007
Guelox Guelox is offline
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blender como explican en RCU

Blender
Setup:
Slightly tailheavy ( the less elevator throw you have the more tail heavy you need to be.)
At least 45-70 degrees of elevator throw
High rate aileron
Max rudder deflection

How to:
1.Get the airplane up high maybe 300' to start
2. Chop the throttle and dive the aiplane vertcially, straight down.
3. Immediately give full left aileron input and get several rotations until the plane is rolling fast.
Simultaneously (but ever so slightly lead with full down elevator) feed in full down elevator, full right rudder and half to full throttle. The plane will violently wrap into an inverted flat spin.
4. As it settles into the inverted flat spin, continue to hold full down and full rudder and bring the ailerons back to center. This should level out the flat spin.
5. Adjust the throttle and ailerons to flatten out the spins and slow the descent.

If you get it right the plane will descend vertically flat on its back wrapping tightly around its cg axis.



videito

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Old 11-27-2007
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Sip, el blender es la mejor forma de entrar a un flat spin. Tambien es buena forma de entrar en un knife edge spin.

Aqui hago un pequeno knife edge spin subiendo y flat spin bajando a los :41 segundos. Otro knife edge spin subiendo a 2:03 y 3:11. Una de mis favoritas es la que hago a los 3:23, ahi si un CG tail heavy ayuda.

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Old 11-27-2007
Guelox Guelox is offline
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Upright Flat Spin

Upright Flat Spin

Same setup as above.

1. Chop the throttle and ease in high rate elevator until the plane stalls.
2, Input full up elevator, full left aileron and full left rudder and the plane will start to spin.
3. As the plane starts to spins hold full elevator and rudder and let the ailerons come back to neutral.
4. Adjust the throttle to keep the nose level. You may have to adjust the elevator a little, but if you play the throttle right and dont add too much, you should be able to hold full up.


The plane will spin either but to the left it works better because you are working with instead of against other forces.

Variation

Let out of the rudder slowly to decrease the rate of spin. The spin will slow and eventually open up into a flat spin/turn.

To transition from upright spin to inverted spin simply move the sticks from one spin to the other, Just make sure that you input to keep the rotation of the spin the same. IE if you are spinning inverted clockwise make sure that you move into an upright spin that will continue clockwise. This normally means siomply crossing over with the ailerons and applying full up elevator, or vice versa depending on what you are doing.


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