Re: [papercreters] Re: Petrefied Hessian

Thanks for the conversion info. I think I'll stick to the small amount for experimenting. I am a member of the battery conversion forum and have bought a large amount of alum online so I have a supply of that. It would be prohibitivly expensive to buy the pickling variety in a grocery store. I am getting ready to resume testing on my PC coating mix of used vegetable (cooking) oil, lime and sand for a coating/sealer on the exterior of my PC blocks. I made some over a year ago and it has held up very well and sheds water readily. I didn't keep track of the mix ratio so this time I will be more scientific and do so. It would be a cheaper alternative to some of the other products tossed around on the site. --- On Tue, 11/30/10, Spaceman <Spaceman@starship-enterprises.net> wrote: From: Spaceman <Spaceman@starship-enterprises.net> Subject: Re: [papercreters] Re: Petrefied Hessian To: papercreters@yahoogroups.com Date: Tuesday, November 30, 2010, 9:55 AM   Alum can be bought in the spice dept of your local grocery store, or ordered online in bulk. The spicy version would be pretty expensive. It is actually aluminum sulfate when you go looking for it in bulk. There is a source mentioned on the Battery Conversion yahoo list, so if anyone is interested I can forward that information. From the description and what I know about aluminum and cement, this should set up pretty fast so the recipe with five gallons of water would be more suitable for several people working together, to get it on before it sets. spaceman All opinions expressed or implied are subject to change without notice upon receipt of new information. http://Starship-Enterprises.Net On 11/30/2010 9:57 AM, Tom Hay wrote: Here's the conversion.  (not exact but close enough - e.g. 1 pound = 453.59237 grams so 900 g = 1.984 lbs )   original metric to make an equal amount 5 gallons water to make 3.8 times as much > 5 liters water 1.32 gal 5 gallons > 5.5kg cement 12 lbs 2 oz 45.9 lbs > 900g lime 2 lbs 7.6 lbs > 450g salt 1 lb 3.8 lbs > 225g alum 1/2 lb 1.9 lbs Tom Hay, Ph.D. A2B Research and Development, LLC 703/672-6033 (internet phone) tomhay@verizon.net

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