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  1. zcp

    2nd speed reducer

    For a 56c 1725 rpm 1hp motor, we have a 60:1 motor mounted speed reducer. We would like to go to 100:1 but are having trouble finding one. Anyone have any qualms about going 20:1 motor mounted with a 5:1 in-line after it? War stories, tips, or thoughts are appreciated. ZCP...
  2. zcp

    -58 deg F structural steel

    (cross post with AWS) Does anyone have any reservations / tips / cautions for a structural steel stand that will be shop welded but then placed into service in an environment (outside) that was given a design temperature of -58 deg F (-50 deg C)? If it was ASME we would be talking impact...
  3. zcp

    -58 deg F structural steel

    (cross post with AISC) Does anyone have any reservations / tips / cautions for a structural steel stand that will be shop welded but then placed into service in an environment (outside) that was given a design temperature of -58 deg F (-50 deg C)? If it was ASME we would be talking impact...
  4. zcp

    Differing Mtls Corrosion examples

    I seem to get more and more architects that want to copper clad aluminum structures or set aluminum posts in concrete. Does anyone have any corrosion horror stories or pictures they would like to share from the world of construction? Examples of requested materials that made you chuckle (or...
  5. zcp

    wire rope clamps

    Someone has proposed adding fastenal epoxy or possibly loctite to the nuts on wire rope clamps to prevent the nuts from backing off. Any thoughts? My opinion is "don't saddle a dead horse", space properly, torque properly and you are good to go. These particular connections are high up and...
  6. zcp

    horse part ii

    i have a client wanting a design worked out for a flat pattern for a horse sculpture. the flat pattern would be cut and bent into approximate "horse" shape then welded and hammered into form. it seems the best place to start might be a 3D model of a running horse (what they want). can anyone...
  7. zcp

    Multi span cable

    If a cable rests across 2 supports it will hang as a catenary and have a certain tension. What if a 2nd identical span is added (still only one cable passing over rollers on the middle support), is the tension in the cable 2X? So if I have a cable going across 10 equal spans, is the tension in...
  8. zcp

    Guardrails on drive and walks

    IBC requires guardrails on ramps if adjacent to a 30" fall. IRC requires guardrails on porches and balconies. Is there any code or standard that requires guardrails for a residential driveway adjacent to a hypothetical 100 ft drop? This seems to be a gray area in the IRC. Any thoughts? (And...
  9. zcp

    Duckbill / Manta Ray

    Has anyone used these http://www.earthanchor.com/ with success? I am looking at tying down a canopy post / footing with these. Your thoughts or experiences would be most helpful. ZCP www.phoenix-engineer.com
  10. zcp

    Alberta steel platforms

    I have several steel platforms and access tower / walkway / catwalks that I am looking at for an installation in Alberta. Can anyone point me in a direction for building codes....will the Alberta Building Code 1997 (which is about to be updated) send me to the National Building Code of Canada...
  11. zcp

    SW help files

    Are the SW help files resident on the computer or do you have to have web access (help, tutorials, etc.)? I saw a computer that had web access but when help or the tutorials were pulled up, it gave the windows explorer "unable to link" screen. They said that it had worked before but now it was...
  12. zcp

    Large Chain

    I am looking at a fairly large canopy (19 ft x 18 ft) that cantilevers out from a building and is supported at the ends by a chain running back to the wall (about 9 ft up from the canopy). Three questions: 1) Does anyone have a chain supplier that has large (14000 lbf working load or higher)...

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