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Hobbyking ™ Propulsor 7x4.5 Negro (CW / CCW) (2pcs)

Hobbyking ™ Propulsor 7x4.5 Negro (CW / CCW) (2pcs)

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SKU:
157000042
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Tres 7x4.5 contra hoja giratoria de la hélice CW y CCW rotación - Negro (1 par)

  • SKU (Número de Referencia) 157000042
  • Brand -
  • Peso 32.0000
  • Longitud 165.00
  • Ancho 20.00
  • Altura 145.00
  • Diámetro X ( pulgadas ) 7.00
  • Y de paso ( pulgadas ) 4.50
  • Rotación CW/CCW
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much better than other 7 inch 3 bladed props in HK. they are great and well balanced. used them for twin motored (turnigy 2822 1450 kv) scratch build and most silent plane i have ever got. will buy again

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much better than other 7 inch 3 bladed props in HK. they are great and well balanced. used them for twin motored (turnigy 2822 1450 kv) scratch build and most silent plane i have ever got. will buy again

Gut gefertigter Prop, der nach dem Auswuchten vibrationsfrei luft und wesentlich mehr Schub entwickelt als ein Zweiblattpropeller mit identischem Durchmesser und gleicher Steigung.

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Gut gefertigter Prop, der nach dem Auswuchten vibrationsfrei luft und wesentlich mehr Schub entwickelt als ein Zweiblattpropeller mit identischem Durchmesser und gleicher Steigung.

Good props but very fragile. always but more than you need!

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Good props but very fragile. always but more than you need!

I have these for my smaller scratchbuilt quadcopter and I like them. They're a bit fiddly to balance but here's how I do it: Mount them onto the motors using the right adapter ring for your mounts, and then make sure only one of the motors is actually operational by disconnecting one motor wire on each motor. Arm your quad as usual, hold it down, and spin up the one active motor, watching the prop adapter closely for vibration. If you see it, then apply a small piece of cellophane tape across the middle of one blade, then spin it again and see if it's better or worse. If worse, remove the tape and move it to a different blade. Repeat until you've checked all three. If you find a reduction in vibration, then stick to that blade and experiment with more or less tape on it. Once you've gotten it as good as it will go, experiment with bits of tape on the other two blades. You'll know when you've gotten it just right because it will spin sweetly with a high, clean, almost whiney sound and no discernable vibration on the prop adapter. This method rules out imbalance in the propeller, adapter and motor all at once, so it's what I now stick to.

Anyway... I like the propellers. They do break fairly easily on impacts, but just watch for whitening at the joint between blade and hub, and replace if you see it. They're tough enough, run great when balanced right, and are quite efficient. T

verified_user Quality:
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I have these for my smaller scratchbuilt quadcopter and I like them. They're a bit fiddly to balance but here's how I do it: Mount them onto the motors using the right adapter ring for your mounts, and then make sure only one of the motors is actually operational by disconnecting one motor wire on each motor. Arm your quad as usual, hold it down, and spin up the one active motor, watching the prop adapter closely for vibration. If you see it, then apply a small piece of cellophane tape across the middle of one blade, then spin it again and see if it's better or worse. If worse, remove the tape and move it to a different blade. Repeat until you've checked all three. If you find a reduction in vibration, then stick to that blade and experiment with more or less tape on it. Once you've gotten it as good as it will go, experiment with bits of tape on the other two blades. You'll know when you've gotten it just right because it will spin sweetly with a high, clean, almost whiney sound and no discernable vibration on the prop adapter. This method rules out imbalance in the propeller, adapter and motor all at once, so it's what I now stick to.

Anyway... I like the propellers. They do break fairly easily on impacts, but just watch for whitening at the joint between blade and hub, and replace if you see it. They're tough enough, run great when balanced right, and are quite efficient. T

Externally these screws look quite good. The quality is not in doubt. I think that model these screws will look good and work well.

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Externally these screws look quite good. The quality is not in doubt. I think that model these screws will look good and work well.

they are of good quality

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they are of good quality

these blades are actually far better than the last model of three blade 7 inch props hobbyking had, these are far stronger, balanced and better designed.

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these blades are actually far better than the last model of three blade 7 inch props hobbyking had, these are far stronger, balanced and better designed.

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