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Home✈️Aircraft🚁HelicopterBlades and Night Flying › Foam cores inside rotor blades
01-11-2020 10:56 PM  14 days ago
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chinooker

rrApprentice

Florence, KY

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Foam cores inside rotor blades
A lot of rotor blades have soft foam cores. Does anyone know how the soft foam inside a blade is fabricated? Are they hot wired to shape, then layed in before the two halves are brought together?
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01-15-2020 02:11 AM  11 days ago
Rojoalfa

rrVeteran

Punta de Mata, Monagas-Venezuela

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Before pressing the two half, the process put the soft foam liquid inyected... I presume base on similar processing on airplanes...

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Saludos cordiales,
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01-15-2020 12:12 PM  10 days ago
dgoss999

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UK - Lancashire

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Generally the cores are cut to the blade profile by hot wire or extrusion. Squirting liquid foam into a hollow blade deforms the blade skins as the foam cures.

DG
"Believe none of what you hear, and only half of what you see." • Benjamin Franklin
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