Vacuum Infusion of Wind Turbine Nacelle Fairing (Cal Poly, SLO)

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Uploaded by on May 14, 2009

Vacuum infusion of a Wind Turbine Nacelle for Cal Poly's first wind turbine. Infused at 26" of hg.
Made with: Vinylester resin, 2X2 twill weave fiberglass, Marine clear gel coat, Airtech resin flow 75 flow media, Nylone peel ply, and Nylon bag

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Autos & Vehicles

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Standard YouTube License

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  • @shkssj88 let the clearcoat go to tack condition befor adding glass and vac bag. dont ask if it works, try it yourself. i have never used fiberglass. i see know one elese has a suggestion do they.

  • @565Customz I work in very large, certified aerospace. Our VARTM doesn't happen unless we're over 28.5 in Hg. 29 is ideal. But then again, we work w/ carbon/epoxies and NDI everything, so perhaps you can cut corners when working with fiberglass and polyester/vinyl-esters.

  • @MOLRobocop 27hg is what some air frame builders use...id say he's doin ok.

  • Yeah, if you're only drawing 26" Hg, you need to work on bagging or get a better pump.

  • hi, i need a help!

    i made some composite structure by resin infusion and it work well but after i have a problem ,,

    when i spray 1-2 hands of clearcoat but i have the famous problem of pin hole in the surface!!

    i try to degass the resin before to infuse. please, have you a solution for my problem? thank you very much

  • looks to me u need a bigger pump for better suction..

  • Whats the surface like on vacuum film side? I am guessing it would be smoother than hand lay-up, perhaps glassy like the gelcoat side, but not uniformly smooth due to ripples in the vaccum-film plastic?

  • so where's the rest of the vid?? did it work?

  • This is how I will be doing my fuselages. How do you ensure the resin will creep up to the upper edges? If it doesn't, do you have to start over? My molds will be 22 feet long, and about 6 feet tall. Is there a problem with thickness, or will it wet out under vacuum? Thanks, Don

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