| ITEM |
POINTS |
|---|---|
Weekly attendance logs at 2 points per day |
|
Final WM |
15 |
Data sheets and/or graphs |
10 |
PVC Trebuchet |
15 |
List of parts purchased and cost |
5 |
Goal: Hit a wall ~ 2 ft by 2 ft placed at 30 to 50 feet from the front edge of your trebuchet.
| Note: Once the rounds begin, no practice throws are allowed! Teams will take turns through each round. |
|---|
| * Round 1; 1st throw - attempt to hit target - no bounces count! |
** Round 2; 2nd and 3rd throws - attempt to hit target; adjustment is allowed before the 2nd throw |
*** Round 3; 4th and 5th throws for maximum distance; an adjustment is allowed for each throw. (no practices) |
Scoresheet:
| Objective |
Details |
Data |
Score |
Bonus |
|---|---|---|---|---|
ACCURACY |
* Distance from base -> 1st throw (0 if hit) |
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one allowed adjustment |
** Distance from base -> 2nd throw (0 if hit) |
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no further adjustment allowed |
** Distance from base -> 3rd throw (0 if hit) |
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|
ACCURACY |
5(target distance - error) / (target distance) |
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5(target distance - error) / (target distance) |
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5(target distance - error) / (target distance) |
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ACCURACY |
Mass or other variable used for 1st throw |
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Difference between WM and actual distance - 1st throw |
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PRECISION |
Difference < 2 ft = 5; < 4 ft = 4; < 6 ft = 3; .. |
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BRUTE FORCE ->longest +2 |
*** Maximum throw length (2 tries) (feet) |
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EFFICIENCY |
Mass of trebuchet (with counterwt) (grams) |
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Height + Width of your trebuchet (cm) |
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EFFICIENCY weight->best +2 |
Ratio = (farthest throw) / (mass) |
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EFFICIENCY size-> best +2 |
Ratio = (farthest throw) / (Ht + Width) |
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CREATIVENESS |
Creativity, Uniqueness, Workmanship - both pvc and WM (appear, geom, prop) |
As judged by the King |
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