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  1. racookpe1978

    North Korean Ship Fails/Capsizes at Launch in Front of Kim

    Details from the available British Commercial Press are few, and what is published contradicts itself. " In a statement KCNA said: 'Due to immature command and operational negligence, the parallel movement of the bogies could not be guaranteed, resulting in the launching sled in the stern...
  2. racookpe1978

    New NiCd battery in small appliance, internal charger/inverter. Should I discharge it, then fully recharge for best long-term performance?

    Purchased a new NiCd razor. It has an old-style external (1.5 volt DC wall plug-in/cheap Chinese) charger/inverter. No apparent "controller" or regulator like the more modern LiOH batteries and regulators. Will I gain anything useful by fully discharging it to 0.0, then recharging? Or just...
  3. racookpe1978

    AutoCAD: How do I stop OSnap defaults from overriding @(relative x, y) coordinates?

    Snap is "off" Grids are "off" OSnap defaults are Cen, End, Insertion point (for blocks), Intersection. I really don't want to continually change these either. But. When I run a line (or dimensions, or move a point to a new point) particularly when in a complicated area with a lot of...
  4. racookpe1978

    3/8-24NF Threads Rusting in an Outdoor 0.226 wall Galvanized CS Clamp. Should I Coat Threads?

    I have 4x 3/8 dia carbon steel setscrews holding each of 13 CS rings in place in an outdoor setting. (Low stress, but the surface rust and subsequent streaks are irritating.) The CS centerpost itself and the 13x rings are spray galvanized with a commercial topcoat, and the rest of the post...
  5. racookpe1978

    GA PE & LS Board: Contact Changes Effective May 2024

    I was informed by the GA Sec of State Office (via a voice phone reply, no other letter, no email) that the older GA PE on-line renewal website is no longer available. The only GA PE registration/renewal point is apparently now: https://gapelsb.evokeplatform.com/app/licensingPortal/licenses I...
  6. racookpe1978

    Power Plant Piping Mods. What separates "New Construction" & "Repair & Upgrad

    Several steam power plant turbines have been destroyed recently - and the number is growing as long term maintenance funding is cut while older plants are kept in use. Clearly, if the plant is rebuilt from the original drawings to the original positions and supports, and when all support...
  7. racookpe1978

    General Heat Exchangers: Why do many power plant condenser outlet waters foam up?

    Seen this many times, but have never heard an explanation. The outlets of the cooling water foam up with long-lived, "heavy" foam (not a light froth. Outlet is (of course) warmer than inlet water, but river water, lake water or recirculating water to cooling pond all seem to show the foaming...
  8. racookpe1978

    Hwy 1 South of Monterey CA Roadway Closed (Again) by (New) Mudslides. Jan 28, 2021

    Few details are available, and almost every on-line link and associated photos I find refer back to the May, 2017 Hwy 1 collapse at Big Sur that recently finished rebuilding/re-routing, but the California Coastal Hwy 1 was closed south of Monterey CA due to new mudslides Thursday (28 Jan 2021)...
  9. racookpe1978

    Construction Safety: Dropped Object Offset Distance from a 280 Meter tall Bldg.

    On a different forum, a question was asked that has me puzzled: User asked how far an object would be blown sideways in a 4 m/sec westerly wind if dropped from a 280 meter tall building. Turns out it was not a "college physics homework question" at all but a dropped object safety review. Guy...
  10. racookpe1978

    Carbon Steel Stair Treads - Can I (Should I) galvanize over Dykem Blue layout fluid?

    Installing a series of 3/16 thick carbon steel stair runners. On gates and railings, I usually weld up and then wipe them clean with a paint thinner to remove mill scale and oil, then cold spray galvanizing paint on the metal. Then finish with two oats of black oil-based paint as a cover...
  11. racookpe1978

    Stainless Pipes + CS Stud & Nuts + Coastal Rain = Corroded Studs

    Fluid = Hot fuel gas at 410 Deg F, modest pressure (about 225 psig). Flanges are insulated with wrap-around pads, so they are not watertight, not under a solid sheetmetal cover. Stainless pipe and Class 600 A182/F304 flanges with Flexitallic Gasket, pipe-pipe electrical connectivity is pretty...
  12. racookpe1978

    Oroville Dam Spillway Leaking (Again, 18 March 2019) As Waters Rise (Again) Behind Dam

    Complete failure at Oroville Dam Original story and links at www.americanthinker.com | 3/18/2019 | by Chriss Street Details at https://www.americanthinker.com/blog/2019/03/complete_failure_at_oroville_dam.html Posted on 3/18/2019 at www.freerepublic.com , 1:42:12 PM by rktman From that...
  13. racookpe1978

    High temperature (650 Deg F) stud material for 8 inch, Class 300 steam flange

    Reference Thread: thread292-404005 (Now closed) We are replacing the B31.1 saturated steam piping from a competitor's existing turbine casting. 7x flanged pipe connections from the turbine are built up from the turbine with "standard" ASME pipe flanges welded to pipe stubs welded to the...
  14. racookpe1978

    NEMA SM-23/SM-24 Turbine Nozzle Limits Incorrect, Invalid, Outdated. How to Update the "Standard"?

    Vendor (a competitor) is quoting NEMA SM 23 limits on their new turbine nozzles to replace a unit that crashed a few weeks ago. As you would expect, those very restrictive turbine nozzle forces and moments are causing extreme cost and material increases in the replacement steam piping, pipe...
  15. racookpe1978

    Proposed 16 inch Main Steam Flange is Outside of B16.5 Class 2500 Table, Request Design Options

    Design conditions: Main Steam, Service conditions: 450 psig at 905 degrees F. Design conditions: 981 F at 1881 psig. Pipe: 16 inch OD, 12.5 inch ID, 1.75 inch wall thickness to re-route and replace an existing main steam service pipe to a competitor's steam turbine that crashed. One of my...
  16. racookpe1978

    Expected Thermal Movement of Turbine Nozzles

    We are calculating substantially different nozzle movement (hot position of the turbine bleed and inlet piping nozzles) for a repair on an older competitor's turbine. Not many original vendor prints and no engineering design analysis documents readily available. In particular, our calculations...
  17. racookpe1978

    KPMG Audit: New Seattle Street Cars and Connecting Rails May Not Fit Existing LightRail Lines.

    From KIRO Seattle, MyNorthWest staff writers https://www.kiro7.com/news/local/new-seattle-streetcars-may-be-too-big-for-citys-existing-tracks/797558523 One. It appears that the KPMG "marketing group" is selling the old adage: "More studies are needed" as the first line of the first report...
  18. racookpe1978

    The Govmt Changed Data for 2016, 2017 in a Large Spreadsheet. How Can I Determine What Changed?

    The government's NSIDC (National Snow & Ice Data Center) has changed hundreds of Daily Sea Ice Area and Sea Ice Extents values for 2016 and 2017, but they've not said why, nor what records have been erased, and what records have been changed. Link to their latest Regional Sea Ice spreadsheet is...
  19. racookpe1978

    Back-Solving Exponential Eqtns: If e^x <=> ln(x); and Log10(x)<=>10^x , How do I resolve

    It might be my rusty algebra, or my even slower Excel, but I have a question: If cell [g308] "= exp^(f308)", then its inverse (in Excel) in cell [h308] is "= LN(g308)" and cell [f308] is going to equal cell [h308] If cell [p308] "= Log(q308)", then its inverse in cell [r308] "= 10^(p308)"...
  20. racookpe1978

    Need Recommendation for Close-In (Macro) Photography for Reports, Records and Analysis

    I frequently need to document very small flaws in very tight, very poor lit spaces: small scratches, weld cracks, tooling nicks or flaws, thread cuts, nicks or as-found damage for the clients' records, for final reports on repairs or problems, for engineering evaluation back in the office when...

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