How do they make CF rotor blades?

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Roger_N - 10 Jul 2007 21:41 GMT

Just wondering if anyone on here knows how carbon fiber rotor blades are
made? Are they vacuum bagged or molded?

Thanks!
RogerN

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. - 16 Jul 2007 22:23 GMT

I can't speak for RC blades, but i work for a helicopter manufacturer that
makes them in house. the molds are used to get the ouside shape and a
vacuum bag is used to get the inner cavities.

> Just wondering if anyone on here knows how carbon fiber rotor blades are
> made? Are they vacuum bagged or molded?
>
> Thanks!
> RogerN

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Beav - 17 Jul 2007 00:06 GMT

>I can't speak for RC blades, but i work for a helicopter manufacturer that
>makes them in house. the molds are used to get the ouside shape and a
>vacuum bag is used to get the inner cavities.

How do they get the bag out?

RC c/f blades are usually molded but their internal structure is made up of
a foam core.

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Model Forum / Radio Controlled / Helicopters / July 2007

How do they make CF rotor blades?