Event Year: 2022
Event Location: Cocoa-FL
Competition: Junior Solar Sprint
Division: 4-6 (JSS Green)
School: NSU University School
Team Size: 2

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Team Information

Car Name: Blue Marshmallow Lightning
Team Name: The Lightning Sharks
School Name: NSU University School
Team Members Names: Hannah L. and Jack R.

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Design Documentation

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Project Log

Date	Hours	Tasks Worked	Obstacles Encountered	Modifications to Car
9/8	1	Solar car video, looked at materials, sketched my car.	
9/15	1	Picked out materials and cut my base. sanded base.	Hard to cut base	
9/22	1	Painted base.	Couldn’t work on car after I painted.	Color of car base
9/29	1	Cut a hole in the body of the car for the gears.	
10/6	1	Hammered the wheels	
10/20	1	Glued wheels on to base and put rubber bands on wheels		Wheels were glued on to base.
10/27	1	Worked on motor and circuits.	
11/3	1	Worked on motor and motor gear and put it on car.		motor and circuits
11/17	1	Replaced motor	Car crashed so had to re attach motor	
12/1	1	Put on binder ring		Binder ring
12/8	1	Worked on the supports for my solar panels.		panel supports
12/15	1	Was testing the car and I dropped it.	Dropped it and it broke	
1/12	1	Worked on placement of motor	Motor metal tab broke so had to replace the motor	motor (again)
1/19	1	Ran the car and tested my car
1/26	1	made sure my car went straight and was ready
4/6	1	Ran my solar car
4/20	1	ran my solar car and fixed my motor that fell off	motor fell off	motor (AGAIN)
4/23	.5	Ran my car to make sure it ran OK

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Design Drawings

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Finished Car Specifications

Car Size with Panel	Length: 31cm	Width: 13 cm	Height:7 cm
Weight with Panel	289 g
Wheel size	Front wheels: 4 cm	Back wheels: 4 cm
Gear Ratio	motor gear: axle gear 10 : 56 = 5 : 28

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Materials Used

	Approx. Cost
New:
Pitsco Ray Catcher solar panel, , small white gear	38.25
motor	5.25
wheels, tires, an axles, axel gears – Solar Made accessory bag	3.99
balsa wood	2.31
spacers for bearings (4)	0.26
battery pack with switch	3.85
piece of black binder for eyelet	0.07
alligator clips (2)	0,14
Consumables:
masking tape
hot glue
solder
Recycled:
piece of pool noodle
pipe cleaners

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Test Results / Trial Runs

Test Runs 1 – date: 4/6/2022 Weather conditions: Partly cloudy When the sun was out we ran on panel. Observations of results: My car ran straight and fast. Any recommendations for improvements:

Attempt	Time, s	Distance, m	Speed, m/s
1 – panel	6.07	14.5	2.39
2 – panel	5.80	14.5	2.50
3 – panel	5.60	14.5	2.59

Test Runs 2 – date: 4/20/2022 Weather conditions: partly cloudy We ran on solar panel Observations of results: My car wheel came off. Any recommendations for improvements:

Attempt	Time, s	Distance, m	Speed, m/s
1 – panel	7.19	20	2.78
2 – panel	6.50	20	3.08

Test Runs 3 – date: 4/23/2022 Weather conditions: Cloudy Ran on battery Observations of results: My car ran well Any recommendations for improvements:

Attempt	Time, s	Distance, m	Speed, m/s
1 – battery	7.56	20	2.65
2 – battery	7.40	20	2.70
3 – battery	7.00	20	2.86

Vehicle Features Video

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Additional Information