Air Trajectory B/C

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windu34
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Re: Air Trajectory B/C

Postby windu34 » October 12th, 2015, 8:52 am

In regards to air flow, are you guys "popping" it or letting the air flow at a continuous rate?
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Re: Air Trajectory B/C

Postby brayden box » October 12th, 2015, 10:39 am

Kind of both. It is continuous for a very short time, yet still it is kind of popping it.
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Re: Air Trajectory B/C

Postby windu34 » October 12th, 2015, 5:18 pm

Kind of both. It is continuous for a very short time, yet still it is kind of popping it.
Hows your accuracy/precision?
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Re: Air Trajectory B/C

Postby DoctaDave » October 12th, 2015, 7:27 pm

Speaking of precision and accuracy, whats considered to be good for a device? Is 10cm deviance from the target good? 20?

How did the top teams at nationals do last year?

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Re: Air Trajectory B/C

Postby windu34 » October 12th, 2015, 7:35 pm

Speaking of precision and accuracy, whats considered to be good for a device? Is 10cm deviance from the target good? 20?

How did the top teams at nationals do last year?
1st place got a perfect score and both bucket shots if I'm not mistaken. A competitive device should be within a few centimeters; a really competitive device should be within a centimeter. (This of course varies at different levels of comp. where 10cm might be good at regionals, but bad at nats or states)
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Re: Air Trajectory B/C

Postby brayden box » October 15th, 2015, 11:40 am

Hopefully there aren't any drafts from the ceiling air vents. Last year at States we were in a huge cafeteria and the ceiling had giant air vents and they were on. We were right under it.
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Re: Air Trajectory B/C

Postby josephm » October 23rd, 2015, 6:46 pm

I just wanted to ask if anyone had an idea of what we would need for supplies just to start out with. I know that generally PVC pipe and Wood should be used but what kind and size and if there is anything else that I should get. I know that it all depends on the design but I just need to know how much of what to start out with general designs
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Re: Air Trajectory B/C

Postby windu34 » October 23rd, 2015, 7:34 pm

I just wanted to ask if anyone had an idea of what we would need for supplies just to start out with. I know that generally PVC pipe and Wood should be used but what kind and size and if there is anything else that I should get. I know that it all depends on the design but I just need to know how much of what to start out with general designs
Id start with google and scioly wiki
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Re: Air Trajectory B/C

Postby retired1 » October 24th, 2015, 12:42 pm

Obtaining repeatability is probably the toughest portion of this event. Such as it does not shoot the same cold as it does warm. If you use a piston, does it need frequent lubrication? The 2L bottle does not shoot the same as it is used more.

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Re: Air Trajectory B/C

Postby brayden box » October 26th, 2015, 6:04 am

The 2L bottle is the one where you jump on it, like one of those stomp rockets? Someone used one of those at a competition last year, and it didn't work too well.
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