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Table of Contents

Introduction ................................................................................................................................................................ 1

Design Phase (Drawings) ........................................................................................................................................... 2

Design Phase (Photos) ............................................................................................................................................... 3

Design Phase (Drawings) ........................................................................................................................................... 4

Receipts ........................................................................................................................................................................ 5

Materials....................................................................................................................................................................... 6

Construction Procedure............................................................................................................................................. 6

Preliminary Trial Outcomes ...................................................................................................................................... 9

Testing and Trials ....................................................................................................................................................... 9

Results ........................................................................................................................................................................ 10

Appendix .................................................................................................................................................... 11

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Design Phase - Drawings

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Receipts

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Trial #

Deviation from center of

finish line (cm)

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Trial #

Velocity (ft/s)

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Trial #

Distance traveled (ft)

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% Autumn Hall % ENGR 1315 - D01 % November 27, 2015 % Semester Project % This script makes a scatterplot of the accuracy data of my final device.

clear close all clc

x = 1:1:20; y = [2.5, 19, 19, 6, 5, 0, 3, 3, 3, 6, 3, 3, 2.5, 6, 3, 3, 3, 3, 3, 3];

scatter(x,y, 'r', 'filled'); xlabel('Trial Number'); ylabel('Deviation from center of finish line (cm)'); title('Accuracy Data of Mousetrap Car');

fprintf('mean: %.2f\n', mean(y)); fprintf('standard deviation: %.2f\n', std(y));

% Autumn Hall % ENGR 1315 - D01 % November 27, 2015 % Semester Project % This script makes a scatterplot of the speed data of my final device.

clear close all clc

x = 1:1:20; y = [3.33, 3.33, 3.33, 3.33, 3.33, 3.33, 3.33, 2.5, 3.33, 3.33, 3.33, 3.33,

3.33, 3.33, 3.33, 3.33, 2.5, 2, 3.33, 3.33];

scatter(x,y,'r', 'filled'); axis([0 20 0 3.5]); xlabel('Trial Number'); ylabel('Velocity (ft/s)'); title('Velocity Data of Mousetrap Car');

fprintf('mean: %.2f\n', mean(y)); fprintf('standard deviation: %.2f\n', std(y));

% Autumn Hall % ENGR 1315 - D01 % November 27, 2015 % Semester Project % This script makes a scatterplot of the distance data of my final device.

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clear close all clc

% There isn't much variation in my distance because the string on my % mousetrap car was fairly short. The axles stopped moving once the string % was done unwinding around the axle.

x = 1:1:20; y = [23.33, 21, 23.17, 23.33, 23.42, 23.33, 23.33, 23.33, 23.33, 23.33,

23.17, 23.17, 23.33, 23, 23.42, 23.33, 21.83, 23.33, 23.17, 23.17];

scatter(x,y,'r', 'filled'); axis([0 20 20 24]); xlabel('Trial Number'); ylabel('Distance traveled (ft)'); title('Distance Data of Mousetrap Car');

fprintf('mean: %.2f\n', mean(y)); fprintf('standard deviation: %.2f\n', std(y));

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