## Search found 118 matches

April 9th, 2015, 8:55 pm
Forum: 2015 Question Marathons
Topic: It's About Time C
Replies: 54
Views: 9242

### Re: It's About TIme

When did the USFG first establish timezones? What prompted it? Officially, time zones were implemented into US federal law with the Standard Time Act of 1918 (to save daylight and to have standard time throughout the country). But the US also did somewhat implement the Standard Railway Time System ...
April 9th, 2015, 8:47 pm
Forum: 2015 Question Marathons
Topic: Simple Machines B/Compound Machines C
Replies: 127
Views: 21709

### Re: Simple Machines B/Compound Machines C

What is the "law of the lever?"
d1F1 = d2F2, where d = distance from the fulcrum and F = force applied
April 9th, 2015, 8:37 pm
Forum: General Chat
Topic: Scioly Achievement List
Replies: 169
Views: 24280

### Re: Scioly Achievement List

CLUTCH ACHIEVEMENT: Whooo Fermi Questions MEGA-CLUTCH ACHIEVEMENT: TPS... Always fun SPEEDBUILD ACHIEVEMENT: Glider... ofc balsa is like the worst thing ever SPEEDWRITE ACHIEVEMENT: Walked into TPS 30 min late by accident cuz the wrong door was labelled NEWTON-LEIBNIZ ACHIEVEMENT: Thank God calculu...
April 3rd, 2015, 9:10 am
Forum: 2015 Build Events
Topic: It's About Time C
Replies: 101
Views: 21600

### Re: It's About Time C

i.e. aren't both unworkable? The only way to measure fractional period I've heard is to use an escapement so you have a constant amplitude (you still have to have killer reflexes). My partner and I don't use an escapement on our device, and we can still get fractional swings close enough to get nea...
April 3rd, 2015, 9:04 am
Forum: 2015 Nationals
Topic: Unofficial Rankings: Div. C
Replies: 79
Views: 19659

### Re: Unofficial Rankings: Div. C

third off, temperature in CA around that time was a chilly 65 degrees Fahrenheit. in MA, it was an absolute -10 degrees Fahrenheit.
Uh I'm pretty sure MIT was not at -10 Fahrenheit. Probs more like a mid-high 20s at the lowest. :\ But yeah still hella cold
April 1st, 2015, 9:54 pm
Forum: 2015 Invitationals, Regionals, and States
Topic: Texas 2015
Replies: 137
Views: 27644

### Re: Texas 2015

pretty sure it's a joke.
Can confirm that the currently updated schedule is the one Texas is officially using for their state tournament, not an April Fool's Joke
April 1st, 2015, 9:43 pm
Forum: 2015 Lab Events
Topic: Simple Machines B/Compound Machines C
Replies: 268
Views: 41666

### Re: Simple Machines B/Compound Machines C

What kind of accuracies and times are people getting in teh build portion? We've been taking about a minute for ~3% error. Hard to tell how competitive that is though since teh test factors in too. My team has been getting ~1-2.5% error in about 45 seconds. Heard some team has managed to get simila...
March 30th, 2015, 6:55 pm
Forum: 2015 Lab Events
Topic: Simple Machines B/Compound Machines C
Replies: 268
Views: 41666

### Re: Simple Machines B/Compound Machines C

What kind of accuracies and times are people getting in the build portion? We've been taking about a minute for ~3% error. Hard to tell how competitive that is though since the test factors in too. My team has been getting ~1-2.5% error in about 45 seconds. Heard some team has managed to get simila...