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Heat forming H-45


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#1 Rick Hall

Rick Hall

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  • Rick Hall
  • Colorado, USA, Earth

Posted 01 January 2010 - 11:47 PM

Bake at 225 F for 5-7 minutes, form. Picture shows a quarter for reference, and my female mold (marble mortar), the final part made from a scrap of 3/8" H-45. Also attached is a Divinycell product PDF. Application might include pre-forming foam for Cozy-Girl strakes, radomes, nose cones, ... Rick

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Rick Hall; MK-IV plans #1477; cozy.zggtr.org

Build status: 1-7, bits of 8-9, 10, 14 done! Working on engine/prop/avionics.


#2 Limo EZ

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  • Joseph Berki
  • Elyria, Ohio

Posted 04 January 2010 - 07:04 AM

Rick, I have found that the larger the foam piece is tha longer the dwell time before you try to form it. The bottom of my project was done by heating a flat sheet of PVC foam inside of a female mold inside a vacuum bag inside of an oven set to 250 degrees F. I let it sit at 250 and then pulled vacuum. Joe Berki Limo EZ




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