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Home✈️Aircraft🚁HelicopterGasser Model RC HelicoptersOther › Multi blade (4 blade) hover pitch
12-17-2020 08:07 PM  3 months ago
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Yeager

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Cascais, Portugal

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Multi blade (4 blade) hover pitch
The Robbe Cuatro manual advices a setup of the main rotor blades whereby at mid-stick the helicopter hovers at 5deg collective pitch and an appropriate head speed - this I'm assuming is for a 2 blade setup.

So, my question is, with multi blades (say 4 blades) is the hovering pitch still supposed to be 5deg and an appropriate head speed or should I setup the mid-stick collective pitch to something else.

Thank you.
Robbe Nova Cuatro Gas/Nitro, Futura Nova Nitro, Futura SS Nitro, Vario Scale S300C/1002/21 Gas. H9 Piper Pawnee 40 Nitro, AeroWorks Extra 300 Gas.
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12-17-2020 11:01 PM  3 months ago
Rojoalfa

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Punta de Mata, Monagas-Venezuela

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/
/

In general cases, it is the same setup.
It depends upon blades shape. For example, simetric and not simetrical..

Hover at 5 degrees...

/
Saludos cordiales,
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12-18-2020 11:32 AM  3 months ago
goodhunting

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Slovenia ... somewhere in Europe

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Pitch should be the same but the headspeed should be lowered...
For scale flight the general guidance for pitch is -2 deg at low stick, 5,5 deg at mid stick and +10 deg at high stick.

Helicopters usually hover at the magical 5,5 degrees of pitch. Some, heavier with lower headspeed require a bit more, but not too much...

gh
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03-25-2021 08:43 PM  20 days ago
Yeager

rrApprentice

Cascais, Portugal

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Sorry for late reply. Thank you, well noted.Robbe Nova Cuatro Gas/Nitro, Futura Nova Nitro, Futura SS Nitro, Vario Scale S300C/1002/21 Gas. H9 Piper Pawnee 40 Nitro, AeroWorks Extra 300 Gas.
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