Ongoing Contest(Scores)

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Re: Ongoing Contest(Scores)

Postby Balsa Man » April 27th, 2013, 4:48 am

First, thanks (havneguy, ckssv07, and george) for sharing the....competitive landscape in PA. For sure a notch above what it is in CO. Congrats to all the medalists. Getting above 1200 is a real accomplishment. It'll be really interesting to see what kind of numbers come in from OH today.

Wish I could make it to Nats to see and meet, but that isn't going to happen. I am, however, looking forward to working with Preston MS, from here in Fort Collins to see how far... the tube can be taken.

Balsa, when you ask for a tube boom to be "explained", I'm not sure what you mean.....
There's now a picture that explains - shows what one looks like; there is a lot of discussion explaining underlying concept, theoretical advantages, ways of building, design variations that are appearing; its pretty much all here. Something specific you were wondering about?
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Re: Ongoing Contest(Scores)

Postby Bizzle » April 27th, 2013, 10:44 am

For the state competition in Pennsylvania in division C the winning efficiency was around the mid 1200's, and that was by Harriton, It held somewhere near 11kg and in the mid to high 9 gram range. Sorry I don’t remember the exact specifics just wanted to share what general score was for division C.

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Re: Ongoing Contest(Scores)

Postby balsa » April 27th, 2013, 11:08 am

Balsa Man wrote:First, thanks (havneguy, ckssv07, and george) for sharing the....competitive landscape in PA. For sure a notch above what it is in CO. Congrats to all the medalists. Getting above 1200 is a real accomplishment. It'll be really interesting to see what kind of numbers come in from OH today.

Wish I could make it to Nats to see and meet, but that isn't going to happen. I am, however, looking forward to working with Preston MS, from here in Fort Collins to see how far... the tube can be taken.

Balsa, when you ask for a tube boom to be "explained", I'm not sure what you mean.....
There's now a picture that explains - shows what one looks like; there is a lot of discussion explaining underlying concept, theoretical advantages, ways of building, design variations that are appearing; its pretty much all here. Something specific you were wondering about?


what do you mean when you refer to "wall tube"?
Image
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Re: Ongoing Contest(Scores)

Postby Balsa Man » April 27th, 2013, 2:01 pm

Um, I made references to tube wall- as in wall thickness- talking about the thickness of the material forming the tube- as in outside diameter minus inside diameter. I talked about we're using 1/32nd; George said they were using 1/16th....
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Re: Ongoing Contest(Scores)

Postby ckssv07 » April 27th, 2013, 6:04 pm

Does anyone know the scores from ohio

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Re: Ongoing Contest(Scores)

Postby sjwon3789 » April 27th, 2013, 8:15 pm

Received 950 for state tournament. Got 2nd place surprisingly...
I could've gotten 1300 if I just made the side of my base thicker...
It held 10.9kg, unfortunately :(

The national team received 3rd place so unless they made a huge improvement, Virginia won't be very competitive (I think).
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Re: Ongoing Contest(Scores)

Postby GeorgeInNePa » April 28th, 2013, 12:22 pm

mwloveslm wrote:wow nice....ok....do you think it might be possible for us to see a top view? If it's not a problem for you.....



Image


Image

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Re: Ongoing Contest(Scores)

Postby UQOnyx » April 28th, 2013, 12:51 pm

Wow, very nice :D How are these made btw? Do you need special equipment to make them? I might try to make one or two over the summer XD
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Re: Ongoing Contest(Scores)

Postby GeorgeInNePa » April 28th, 2013, 2:20 pm

UQOnyx wrote:Wow, very nice :D How are these made btw? Do you need special equipment to make them? I might try to make one or two over the summer XD


viewtopic.php?f=147&t=3757&p=219563&hilit=tube#p219563


I would recommend reading ALL of this thread and the Boomilever B/C thread.

We got almost all of our design from these threads by reading all of it, then thinking/imagining...


;)

PS,
We decided to simply overlap the seam in the tube, instead of trying cutting and then gluing the edges. We scrapped 4 or 5 tubes trying it the way they describe in the PDF.

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Re: Ongoing Contest(Scores)

Postby jander14indoor » April 28th, 2013, 3:14 pm

Michigan State Results, sorry no details on masses or designs, only final numbers. I was in headquarters all day and didn't see the booms themselves.
Div B
1428 - Meads Mill, will be coming to Wright State
1386 - Hudson
1360 - Lakeshore, will be coming to Wright State

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1752 - Saline
1644 - Lakeshore
1574 - Grandhaven, will be coming to Wright State

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Re: Ongoing Contest(Scores)

Postby mwloveslm » April 28th, 2013, 4:38 pm

GeorgeInNePa wrote:
mwloveslm wrote:wow nice....ok....do you think it might be possible for us to see a top view? If it's not a problem for you.....



Image


Image

thanks!!
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Re: Ongoing Contest(Scores)

Postby Balsa Man » April 29th, 2013, 7:37 am

GeorgeInNePa wrote:
UQOnyx wrote:Wow, very nice :D How are these made btw? Do you need special equipment to make them? I might try to make one or two over the summer XD


http://scioly.org/phpBB3/viewtopic.php? ... be#p219563


I would recommend reading ALL of this thread and the Boomilever B/C thread.

We got almost all of our design from these threads by reading all of it, then thinking/imagining...


;)

PS,
We decided to simply overlap the seam in the tube, instead of trying cutting and then gluing the edges. We scrapped 4 or 5 tubes trying it the way they describe in the PDF.


Yup, as george notes, there is some quite detailed description just waiting to be read/understood/played around with - both on the rolled tube approach, and the machined with a router approach that we're using. Nice and helpful to heve the additional photos- thanks.
The fact that george's team was able to nicely implement a tube boom from what's been posted.....says it all. There is useful info in all three of the main threads here on the boom page. I suspect that no more 'next level of detail' info is going to emerge betewwn now and Nats, though, as folk look for a few hundred more points.
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Re: Ongoing Contest(Scores)

Postby dholdgreve » April 29th, 2013, 10:40 am

Although I could not attend the Ohio State meet, As I understand it, the Division B scores were very similar to Michigan's, with 2nd place being in the low 1400's... They only went to 6 places in awards. I would guess that it took 1200+ to pick up a ribbon or medal. Guessing that First Place (Solon) was around 1500.
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Re: Ongoing Contest(Scores)

Postby ckssv07 » April 29th, 2013, 2:33 pm

dholdgreve wrote:Although I could not attend the Ohio State meet, As I understand it, the Division B scores were very similar to Michigan's, with 2nd place being in the low 1400's... They only went to 6 places in awards. I would guess that it took 1200+ to pick up a ribbon or medal. Guessing that First Place (Solon) was around 1500.

Thanks, Im just trying to get a bearing on the competition at nationals.

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Re: Ongoing Contest(Scores)

Postby havenguy » May 4th, 2013, 8:18 am

So, I guess these are the top scores that have been seen so far in Division B (that are going to Nationals)

1. Daniel Wright- 2029
2. Shady Side- 1600
3. JC Booth? No official score, but a couple of months ago they were at 1450
4. Solon? No official score given, but >1400
5. Meads Mill- 1428
6. Lakeshore- 1360
7. Preston MS- 1330
8. Strath Haven- 1320
9. Winston Churchill- 1200

Does anyone have anything to add? Like ckssv07, I'm just trying to get a bearing of the competition at Nationals.
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