Saturday, March 1, 2014

Sealug Meeting

L3-G0's not done yet, but he's getting there!  We went on a test run to the Sealug meeting, which was held at ECCC's headquarters.  The kids loved chasing around a life size R2-D2 and were willing to look past his partially completed state.

He's obviously missing his legs/shoulders, skirt, front foot skin and a few other details, but I wanted to test transporting him and see what problems I might encounter, and where he might fall to pieces.  I don't want to be spending all of Emerald City Comicon fixing him!  Sounds are also still on a random loop, and he has no dome LEDs at the moment (which means he can spin his head a ton).

I have some video of his outing, the meeting starts about 40 seconds into the clip.  I took a week off work to make a big push to get him from frame to nearly complete:

I didn't think I was going to get the dome reattached before the meeting, but Lara prodded me and it was mostly reconnected just in time (I was a few minutes late).

The test outing was a great success, we learned tons that we'll need to know for ECCC later in the month:
  • He does great with his new shoulders in the car.  Tying down's going to be tricky when the front foot cover gets on, but otherwise much more stable than when I took the frame to work.
  • The new shoulders (laminated plywood) seem to be doing OK.  Since he has 4 wheels in each foot, there's a lot of stress when he turns because some of the wheels have to slip.  That pretty much destroyed the old thinner shoulder hub.  I'd expected to need aluminum, but the plywood's doing OK.
  • On a related note, when turning hard, the feet can chatter a lot, enough to knock off the battery box (at 60 seconds in the clip one of them is missing).  The outer foot panels chatter too.
  • He can spin his head fast enough to throw off a holoprojector, which happens at about 1:20 in the video.
  • With the throttle limit off on the motors he has pretty much a perfect amount of power, much faster than walking, but not so quick as to be uncontrollable or unrealistic.  (My previous outing was limiting the motor controllers and he was just under walking speed).
  • He looks funny without shoulders :)
  • The vibration from pavement or even a sidewalk is a bit scary, he knocked a couple dome panels loose that way.
  • The body held up really well.
  • L3-G0 knew to expect rain in Seattle, but it started to snow at the end!
We still have a ton to do before ECCC, crossing my fingers that we can get it all done!  L3-G0 will be in "Brick Nation" at ECCC, the biggest Lego display yet at Emerald City Comicon.  Ground floor of The Conference Center building.

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