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by ebethke
October 18th, 2013, 9:52 am
Forum: 2014 Build Events
Topic: Rotor Egg Drop B
Replies: 100
Views: 22514

Re: Rotor Egg Drop B

Thank you very much for the detailed answers, helpful, as we are a first year family, we are not (yet) savvy with all of your history.
by ebethke
October 17th, 2013, 10:41 am
Forum: 2014 Build Events
Topic: Rotor Egg Drop B
Replies: 100
Views: 22514

Re: Rotor Egg Drop B

Did anyone have a succesful design? Any tips? Thanks ! Hmm, no designs, but look at the photos from the national tournament. Winning teams obviously had good designs. But I'd like to take a different perspective than ebethke on the science/theoretical view of the event. This event isn't about falli...
by ebethke
October 17th, 2013, 10:35 am
Forum: 2014 Build Events
Topic: Rotor Egg Drop B
Replies: 100
Views: 22514

Re: Rotor Egg Drop B

Follow-up question. Which commercial brand of 3 oz. cup will be used? Is it a plastic cup? A paper cup? Here is a plastic solo cup: http://www.cometsupply.com/mp/SOLO+CUP/pm/SCCP3A/r/ga/ Obviously, we would like to take the science and engineering as seriously as possible and would like to experimen...
by ebethke
October 17th, 2013, 10:32 am
Forum: 2014 Build Events
Topic: Rotor Egg Drop B
Replies: 100
Views: 22514

Re: Rotor Egg Drop B

Cup or Not? I ordered the DVD from scioly for the 2012 & 2013 events and it showed the egg in the plastic egg with no cup. These pages here say that there will be a cup. Which will be true? Does anyone know? Thank you, -Erik I infer from your question that you haven't actually looked at the rules f...
by ebethke
October 13th, 2013, 7:16 pm
Forum: 2014 Build Events
Topic: Rotor Egg Drop B
Replies: 100
Views: 22514

Re: Rotor Egg Drop B

Cup or Not?

I ordered the DVD from scioly for the 2012 & 2013 events and it showed the egg in the plastic egg with no cup. These pages here say that there will be a cup.

Which will be true? Does anyone know?

Thank you,
-Erik
by ebethke
October 13th, 2013, 7:14 pm
Forum: 2014 Build Events
Topic: Rotor Egg Drop B
Replies: 100
Views: 22514

Re: Rotor Egg Drop B

I don't want to give away too much science... But, your design should/could address the forces at play: Force of gravity pulling the device down. Force of drag (one of them) pushing up on your device. Force of lift pulling up on your device Without a power source Fg > Fd + Fl But the goal would be t...

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