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  1. DIY Investment casting? - CR4 Discussion Thread

    Jun 25, 2008 · You might be interested in: Metal Casting Services, Ingots and Casting Stock, Crystal Filters Advertisement

  2. Silver Hardened Too Fast When Casting - CR4 Discussion Thread

    May 9, 2011 · #3 "Re: Silver hardened too fast when casting" by nick name on 05/09/2011 8:17 AM (score 2) #21 "Re: Silver Hardened Too Fast When Casting" by silvCrow on 05/10/2011 12:02 PM …

  3. Diy root cellar in N. AZ 1000ft water table - GlobalSpec

    Aug 22, 2009 · Copy to Clipboard Users who posted comments: Anonymous Poster (1); artsmith (1); flyinghigh (1); kujo85344 (3); lyn (2); NotUrOrdinaryJoe (1)

  4. Drill a Precast Beam - CR4 Discussion Thread - GlobalSpec

    Oct 9, 2012 · Good Answer: Seriously, hire a Structural Engineer to design the connection. Typically, one normally doesn t drill through a prestressed precast concrete to attach it to anything, unless you …

  5. Why highly detailed construction cashflow budgets often fail during ...

    Jan 4, 2026 · In many medium to large construction projects, I keep seeing the same issue repeat itself: A very detailed budget and cashflow is prepared early mdash sometimes at tender stage, sometimes …

  6. Can 6061 T6 Aluminium Grade Can Be Used for Die Casting - CR4 ...

    Jun 12, 2012 · Hi, is it possible to use 6061 T6 grade aluminium for casting which grade of aluminium is best suited for casting process Thanks

  7. Providing TTL Signal from NPN Output - CR4 Discussion Thread

    Sep 26, 2010 · Good Answer: Hello Andy Germany, I think your observation is precise. I usually purchase these zener diodes of 1W in volume of 1000 so they last long. Point here is whether one …

  8. CR4 - Blog: Pump Technology Blog

    Apr 3, 2017 · The Pump Technology Blog is the place for conversation and discussion about industrial pumps including water and wastewater pumps; controls, operation, maintenance; pump applications. …

  9. Building a Vortex Tube - CR4 Discussion Thread

    Feb 22, 2015 · Good Answer: Images for vortex tubes The Hilsch vortex tube Instructables

  10. Organic Rankine vs. Steam Rankine Cycle Efficiency

    Feb 18, 2009 · Good Answer: Correct. And please keep in mind three things: 1. Carnot efficiency must be calculated with absolute temperatures. 2. The process efficiency is further exasberated because, …