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Rolling Your Own Carbon Fiber Tubing

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Winston

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Might want more layers for HPR, I don't know, since this is for very high pressure water rocket bodies. Seems to be a fairly easy and clever method as shown in the relevant first portion of the video.

Rolling Your Own Carbon Fiber Tubing

 

plugger

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Might want more layers for HPR, I don't know, since this is for very high pressure water rocket bodies.
From my experience it's the exact opposite. 3 layers of 2x2 200gsm twill for an airframe 54mm diameter or less is more than adequate wall thickness. George requires much more strength given the pressures he's working with, hence the stronger layups when compared to people rolling their own airframes.
 

Winston

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From my experience it's the exact opposite. 3 layers of 2x2 200gsm twill for an airframe 54mm diameter or less is more than adequate wall thickness. George requires much more strength given the pressures he's working with, hence the stronger layups when compared to people rolling their own airframes.
Thanks. I know nothing about rolling tubes and appreciate your input. How does the method shown compare with methods typically used in HPR?
 

plugger

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Thanks. I know nothing about rolling tubes and appreciate your input. How does the method shown compare with methods typically used in HPR?
Here's what I do. I'm not sure why George swaps between FG and CF for his layups but I've only every rolled airframes with one contiguous piece of fabric wrapped around a mandrel with Glad Bake in between..
 
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