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Gemfan hélice 5x4.5 Negro (CW / CCW) (2pcs)

Gemfan hélice 5x4.5 Negro (CW / CCW) (2pcs)

Discontinued Product

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SKU:
329000343-0
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GemFan Propulsores han establecido el estándar de oro en la comunidad Multirotor pequeña clase. Conocido por su durabilidad, gran equilibrio y un excelente centrado cubo y precio prescindible. Ellos vienen empaquetados como un conjunto de 2, con una rotación CW y CCW una rotación. Hay una amplia gama de opciones de color, que pueden mezclarse y combinarse para ayudar con la orientación multirotor. Este es el complemento perfecto para cualquier pequeña multirotor.

Especificaciones:
Tamaño: 5045 (5x4.5)
Color: Negro
Hub: 5 mm (adaptadores incluidos para 4 mm, 3,17 mm y 3 mm)
Material: Carbono reforzado de nylon

Incluido:
rotación 1 x CW
1 x Giro a la izquierda
adaptadores

  • SKU (Número de Referencia) 329000343-0
  • Brand Gemfan
  • Peso 14.0000
  • Longitud 190.00
  • Packaging Width 10.00
  • Altura 60.00
  • Diámetro X ( pulgadas ) 5.00
  • Y de paso ( pulgadas ) 4.50
  • Rotación CW/CCW
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cheap but great performance

verified_user Quality:
trending_up Value:
playlist_add_check Overall:

cheap but great performance

These props are very stiff and well shaped.
[WARNING] However, the structural integrity of these props are nearly impossible to verify after a crash. I was tuning PIDs for a 250 quad (using 2150kV MS Elite 'Mini Monster' motors and a 4S battery) and had a few rough landings. After the first prop broke, I carefully checked each prop after each flight, as they were snapping at the root.
I finally had the PID's tuned in to prevent oscillation at ~50pcnt throttle, so I tried gunning the throttle to see how it handled at ~80pcnt throttle.

In a split-second, 7 out of the 8 total blades on my quadcopter exploded / ripped apart mid-air and the quad fell to the ground. Some blades flew more than 10 meters, one blade had flown inwards and ripped ~4cm of heatshrink off the side of my video TX and one propeller was found in at least 3 pieces, split down the length of the blade into slivers.

While I cannot recommend these props for a quad using the same high-power motors and 4S battery setup, I do believe these props operate fine with a more moderate / 3S setup.

Here is a link to a video of the incident: https://www.youtube.com/watch?v=8Ut29iIa2xw

verified_user Quality:
trending_up Value:
playlist_add_check Overall:

These props are very stiff and well shaped.
[WARNING] However, the structural integrity of these props are nearly impossible to verify after a crash. I was tuning PIDs for a 250 quad (using 2150kV MS Elite 'Mini Monster' motors and a 4S battery) and had a few rough landings. After the first prop broke, I carefully checked each prop after each flight, as they were snapping at the root.
I finally had the PID's tuned in to prevent oscillation at ~50pcnt throttle, so I tried gunning the throttle to see how it handled at ~80pcnt throttle.

In a split-second, 7 out of the 8 total blades on my quadcopter exploded / ripped apart mid-air and the quad fell to the ground. Some blades flew more than 10 meters, one blade had flown inwards and ripped ~4cm of heatshrink off the side of my video TX and one propeller was found in at least 3 pieces, split down the length of the blade into slivers.

While I cannot recommend these props for a quad using the same high-power motors and 4S battery setup, I do believe these props operate fine with a more moderate / 3S setup.

Here is a link to a video of the incident: https://www.youtube.com/watch?v=8Ut29iIa2xw

toste. davvero toste

verified_user Quality:
trending_up Value:
playlist_add_check Overall:

toste. davvero toste

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