Scores

brayden box
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Re: Scores

Postby brayden box » October 29th, 2015, 2:35 pm

Do you know how much the bridges weighed?
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Re: Scores

Postby JonB » October 29th, 2015, 2:35 pm

Weight: 3.38
Load: 8.2 kg
Score: 2426
Division: B

The highest score last year was just under 5000, so we may see 5500.

What was the score of 1st at Nats? Not many teams (a minority OF the minority) get those scores if I remember correctly. Granted, I am in Div C, but I still do not remember seeing those scores for B.
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Got it. Yeah, I do not think we will see 5500. That would be... improbable. Not impossible, but that's a big jump.

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Re: Scores

Postby brayden box » October 29th, 2015, 2:39 pm

What kind of design was it?
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Re: Scores

Postby embokim » November 1st, 2015, 10:19 am

What design did you use for your bridges, I am trying a K truss but what did you use?
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brayden box
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Re: Scores

Postby brayden box » November 2nd, 2015, 5:16 am

I tried a K-truss before. It is an awesome design, my bridge held 37 POUNDS and wasn't even BOWING!!!!! The only thing is, they are pretty heavy. Mine weighed 42.5 g.
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Re: Scores

Postby Entomology » November 2nd, 2015, 8:41 am

I tried a K-truss before. It is an awesome design, my bridge held 37 POUNDS and wasn't even BOWING!!!!! The only thing is, they are pretty heavy. Mine weighed 42.5 g.

Did you use balsa, or bass? 42.5 grams is pretty heavy for a k-truss bridge. Mine was around 7 grams.
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Re: Scores

Postby Unome » November 2nd, 2015, 1:18 pm

I tried a K-truss before. It is an awesome design, my bridge held 37 POUNDS and wasn't even BOWING!!!!! The only thing is, they are pretty heavy. Mine weighed 42.5 g.
Paraphrasing someone from a previous year's thread (I don't remember who), the ideal bridge is one in which all members simultaneously collapse at 15kg. Your bridge has a lot of dead weight.
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Re: Scores

Postby bernard » November 2nd, 2015, 1:22 pm

I tried a K-truss before. It is an awesome design, my bridge held 37 POUNDS and wasn't even BOWING!!!!! The only thing is, they are pretty heavy. Mine weighed 42.5 g.
Paraphrasing someone from a previous year's thread (I don't remember who), the ideal bridge is one in which all members simultaneously collapse at 15kg. Your bridge has a lot of dead weight.
Also keep in mind what type of efficiency you want. The maximum efficiency a ~40g bridge can have is around 300. Do you want an efficiency of 1000? Then the most your bridge can weigh is 15000/1000 or 15 grams.
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brayden box
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Re: Scores

Postby brayden box » November 3rd, 2015, 2:11 pm

Yeah, my score was really low on that one. It was my first bridge i had ever built, i built it two years ago. It was out of bass.
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brayden box
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Re: Scores

Postby brayden box » November 3rd, 2015, 2:13 pm

Also, i made it way too big. It was about 3 inches longer than the minimum length. :lol:
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