Prepeg over part core


Prepeg over part core
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TomW059
TomW059
TomW059
posted 7 Years Ago HOT
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Posts: 6, Visits: 13
HI,

I new to prepeg and want to try to make some parts without a mold, but instead use a 3D printed part core. 
I´m going to make a hydrofoil wing that is about 600mm x 150mm. 

The idea is to 3D print the core and then put on vari-preg 430 very carefully and trim to trailing edge of wing with precise overlapp, then a layer of easypreg with gloss layer out, and trim carefully. 
Then cover with release film- again with no wrinkles. Put it into V-bag and cure oven. 

I want to avoid any major grinding or sanding to avoid changing the wing profile- i would like to be able to only sand the trailing edge /fiber overlapp. and  go directly to sand to 400-600-800g matt finish. 

Do you think this is possible ? 
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Prepeg over part core
TomW059 - 7 Years Ago
     The concept may work, however |I suspect the surface finish would not be perfect due to not enough...
Warren (Staff) - 7 Years Ago
             Thanks Warren, I'm not too concerned about pinholes, I'm prepared to do small fixes. In not looking...
TomW059 - 7 Years Ago
     I have made a number of hydrofoils with a similar technique but I used a CNC solid fibreglass core...
Fasta - 7 Years Ago

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