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Jeff & Ben I sent an e-mail for more information on this product, getting some things in Australia is sometimes problematic - however I did find a recipe for something similar using corn starch i.e. 1 cup of corn starch 2 cups of salt 1& 1/3 cups of water. Put salt and 2/3 cup of water in a pan and bring to the boil. Separately mix cornstarch with 2/3 cup of water, and mix well. Blend the mixtures together (heat as you mix) - kneed into a clay . Clay can be air dried and can be stored in the fridge in an air tight container. (I suspect that a pourable mix might be just extra water.) If anyone wants to try this like Ben for instance, please give some feed-back. George (down under) George, Try this URL: http://www.acrtucson.com/products/Aquacore/index.htm Advanced Ceramics makes a group of products specificly for making water soluable molding and casting cores. Jeff -----Original Message----- From: Rotary motors in aircraft [mailto:flyrotary@lancaironline.net] On Behalf Of George Lendich Sent: Friday, July 17, 2009 3:17 PM To: Rotary motors in aircraft Subject: [FlyRotary] Re: Intake runner tubes... corn starch Thanks Ed-George (down under) George, go to the Google search engine and type in the following: corn starch for mold cores There are a number of hits discussing the use of corn starch in casting - some may be what you are looking for Ed Ed Anderson Rv-6A N494BW Rotary Powered Matthews, NC eanderson@carolina.rr.com http://www.andersonee.com http://www.dmack.net/mazda/index.html http://www.flyrotary.com/ http://members.cox.net/rogersda/rotary/configs.htm#N494BW http://www.rotaryaviation.com/Rotorhead%20Truth.htm -----Original Message----- From: Rotary motors in aircraft [mailto:flyrotary@lancaironline.net] On Behalf Of George Lendich Sent: Friday, July 17, 2009 5:06 PM To: Rotary motors in aircraft Subject: [FlyRotary] Re: Intake runner tubes... corn starch Ben, I did some searching myself, but couldn't find what I was after - if you find it let me know and I will put it in my notes. George (down under) George, I had not seen that, but sounds like a good idea. I will do a little research on the subject to see what I can find. Won't have much time to look until next week. Heading up to OSH this weekend for a volunteer weekend. Not a good time to leave work, but I signed up, and the heck with the customers for a few days. ;) Best... Ben -- Homepage: http://www.flyrotary.com/ Archive and UnSub: http://mail.lancaironline.net:81/lists/flyrotary/List.html -- Homepage: http://www.flyrotary.com/ Archive and UnSub: http://mail.lancaironline.net:81/lists/flyrotary/List.html __________ Information from ESET NOD32 Antivirus, version of virus signature database 3267 (20080714) __________ The message was checked by ESET NOD32 Antivirus. http://www.eset.com __________ Information from ESET NOD32 Antivirus, version of virus signature database 3267 (20080714) __________ The message was checked by ESET NOD32 Antivirus. http://www.eset.com -- Homepage: http://www.flyrotary.com/ Archive and UnSub: http://mail.lancaironline.net:81/lists/flyrotary/List.html -- Homepage: http://www.flyrotary.com/ Archive and UnSub: http://mail.lancaironline.net:81/lists/flyrotary/List.html -- Homepage: http://www.flyrotary.com/ Archive and UnSub: http://mail.lancaironline.net:81/lists/flyrotary/List.html