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Model Forum / General / Rockets / August 2008Foam Nose Cones
I would like to make my own dense foam nose cones using a mold and casting method. Making the mold is the easy part. The foam, well is another story. Expandable foam insulation doesn't work. Does anyone have any ideas on foam products that could be poured into the mold? Thanks a lot! http://www.mrfiberglass.com/urethane_foam.html >I would like to make my own dense foam nose cones using a mold and casting >method. Making the mold is the easy part. The foam, well is another >story. Expandable foam insulation doesn't work. Does anyone have any ideas >on foam products that could be poured into the mold? Thanks a lot! > I would like to make my own dense foam nose cones using a mold and > casting method. Making the mold is the easy part. The foam, well > is another story. Expandable foam insulation doesn't work. Does > anyone have any ideas on foam products that could be poured into the > mold? Thanks a lot! You want two-part polyurethane foam. PML do it, so do NHP. Check out your local fibreglass place. It's commonly used in boatmaking. Chris  SignatureChris Eilbeck MARS Flight Crew http://www.mars.org.uk/ UKRA #1108 Level 2 UYB Tripoli UK Member #9527 LSMR > I would like to make my own dense foam nose cones using a mold and casting > method. Making the mold is the easy part. The foam, well is another story. > Expandable foam insulation doesn't work. Does anyone have any ideas on foam > products that could be poured into the mold? Thanks a lot! You want to coat the inside of the mold with something that prevents sticking. When electronic circuit boards were cast in foam three decades ago, that is what they did. Sorry, I don't remember more details. Mold release, bowling alley wax On Aug 4, 10:40 am, "news.verizon.net" <jjb...@verizon.net> wrote: > I would like to make my own dense foam nose cones using a mold and casting > method. Making the mold is the easy part. The foam, well is another story. > Expandable foam insulation doesn't work. Does anyone have any ideas on > foam > products that could be poured into the mold? Thanks a lot! You want to coat the inside of the mold with something that prevents sticking. When electronic circuit boards were cast in foam three decades ago, that is what they did. Sorry, I don't remember more details. Holy cow, that was fast! Thank you all for your interest and help! >I would like to make my own dense foam nose cones using a mold and casting >method. Making the mold is the easy part. The foam, well is another >story. Expandable foam insulation doesn't work. Does anyone have any ideas >on foam products that could be poured into the mold? Thanks a lot! |
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