Charles_McG's Recent Activity

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  1. Charles_McG replied to the thread Minimum Diameter for L2 cert?!?.

    In my full-time job, they no longer hire any entry level position directly. Lab or engineering. Everything goes through temp agencies...

    Jan 19, 2019 at 5:36 PM
  2. Charles_McG replied to the thread 3D Printing Prusa Mk3 Layer Shifting.

    I don’t have a 3D printer, but do have a couple robotic workstations for weighing samples in the lab. As they age, the stepper motor...

    Jan 18, 2019 at 6:28 PM
  3. Charles_McG replied to the thread Interstage friction.

    I'd do the other order - seal with CA, then sand to be better fit. I've done that on BT55 and BT70 size rockets.

    Jan 18, 2019 at 4:32 PM
  4. Charles_McG replied to the thread TWA @Bong 01.19.2019, anyone attending?.

    I’ve got more batches that need filtering, and I need to prep my seminar for CiderCon, so I wasn’t going to be able to linger anyway....

    Jan 18, 2019 at 1:29 PM
  5. Charles_McG replied to the thread TWA @Bong 01.19.2019, anyone attending?.

    Driving over to pick up cider and whiskey.

    Jan 17, 2019 at 10:52 PM
  6. Charles_McG replied to the thread Plastic vial (centrifuge tube) size.

    For 1.5"-2" rockets, I use the caps from Dentek dental brushes. Small. Cheap. A smidgen of dog barf in the bottom and the top to keep...

    Jan 17, 2019 at 7:13 PM
  7. Charles_McG replied to the thread Rocket not launching.

    If the igniter is burned thru, then it’s an issue with how it was placed in the motor. If it isn’t burned thru, then it’s...

    Jan 13, 2019 at 11:29 PM
  8. Charles_McG replied to the thread What did you do rocket wise today?.

    I finished and tested another Quark. My fifth, I think.

    Jan 13, 2019 at 11:15 PM
  9. Charles_McG replied to the thread What I did today -instead- of Rocketry..

    Aroma testing. [MEDIA]

    Jan 13, 2019 at 10:06 PM