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  1. sodengineer

    Apollo Spacecraft Launch Adapter and S$B stability.

    Hello Aerospace Engineers- A discussion between some civil engineers the other day has prompted this question. During the Apollo mission, during transposition and docking to remove the LM, what kept the S4B stable, especially if one of the panels hung up? As I understand it, the third stage is...
  2. sodengineer

    Pipe anchor blocks

    Hello I'm looking for design criteria for anchor blocks that are used to anchor what we call "trickle tubes" in dams. These are essentially a 12 or 18 inch pvc pipe that is located about 5 feet below the crest of a dam. The tube runs on a slight slope then generally parallels the downstream...
  3. sodengineer

    Shuttle Replacement Parts

    Hi I'm a Civil Engineer, but just returned from a visit to KSC. Excellent tour, any engineer would be blown away with what has been done there. Anyway my question requires some background: On the tour, the statement was made that the only part of the shuttle that isn't reused is the External...
  4. sodengineer

    End area calculation

    Here is a blast from the past. Waaay back when I was a field engineer, we had an algorithim that would allow us to compute the cross-section area for cut or fill sections, based on x,y coordinate pairs. As I recall, we took the last two coordinate pairs and added them to the end of a string of...
  5. sodengineer

    Propane consumption rate

    Hi All I'm from the Civil side of the forum, but I'm working on a project far from civilization and it requires solar power. I'm NOT here for the solar power question but for a heat quesiton. This system will push electricity into a battery. I need to keep the battery from freezing through the...
  6. sodengineer

    Benched fill

    Does anyone have a drawing of what I used to call "benched fill?" When I was a (much) younger engineer, we would design a 1'-18" step in the existing fill so that the fill being brought up adjacent to it could/would be mixed and compacted as the fill was brought up. This was SOP. I'm now...

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