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Author Archives: engineerzero
Tomorrow’s Builders
Seen on a park sidewalk:
Posted in Uncategorized
Tagged art, builders, building, construction, kids, parks, sidewalk
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Space Elevator Conference Robots
The 2011 Space Elevator Conference was held on August 13 in Redmond, Washington at the Microsoft Conference Center. I dropped by to take a few pictures of various types of robots that space elevator advocates hope might someday climb their … Continue reading
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Tagged robotics, robots, space elevator, space elevator conference
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Been a while since I’ve seen one of these
This is what a ‘calculator’ looked like when I was a kid. Only AFTER I had finished grade school did they come out with pocket calculators. Back in the 80s, I attended an employee orientation session at Boeing. An engineer-instructor … Continue reading
Soldering is easy and fun . . . .
I’ve been putting off a minor soldering project for over a week now. I don’t know why I’m inflating it into something huge. It’s just one more example of my procastination superpower. Anyhow, rather than do anything constructive, I wrote … Continue reading
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Crop Circle Maker 1.0
The red mark indicates how many perimeter-lengths the roller has traveled. The hook is for attaching ropes to pivot around poles. A crop circle pattern 100 feet in diameter would have a surface area of 7800 square feet. Assuming that … Continue reading
How to go back to the Moon, cheaply
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Tagged delta iv heavy, lunar, mission, moon, Soyuz, space, space travel
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American Soyuz/Delta Heavy Lunar Mission
As shown at far right in this diagram from wikipedia, the Delta IV Heavy is a US rocket vehicle capable of placing 23,000 kg into low earth orbit. This happens to be almost one fifth of the payload capacity of … Continue reading
An American Soyuz
The 50th anniversary of the first human flight into space comes with the United States about to retire the Space Shuttle. This means that the US will no longer have the ability to place humans into space on its own. … Continue reading
Fukushima coolant recirculation with siphon
This design avoids damage to recirculation pumps from sea water sediment. A gravity siphon is used to draw water out of the building into a pit where sediment is collected into a shipping container. Water is then pumped from the … Continue reading
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Tagged coolant pumps, coolant recirculation system, fukushima, gravity flow, nuclear, siphon
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Coolant Recirculation System at Fukushima
They’ve been using sea water to cool the rods, but when the level threatens to overflow the reactor buildings, they’re flushing the water back into the ocean (ref here and here). This is an obvious radioactivity hazard to the environment, … Continue reading
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Tagged coolant, fukushima, recirculation, shipping containers
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Engineer Zero 