With the dowels you must carefully drill a hole at the center of the dowel for the motor shaft or axle. You can make a very smooth running bearing/axle combination from brass tubing and shafts that are available in many hobby shops all over the Upper Valley. To further reduce the friction use some graphite lubricant in your bearing assembly.

For fifth to eighth grade students, Junior Solar Sprint (JSS) is a competition to create the fastest, most interesting and best crafted solar-vehicle possible. Students will design, build and race solar powered cars using engineering skills and principles of …

Junior Solar Sprint (JSS) is a competitive program for 5th- to 8th-grade students to create a small solar-powered vehicle. JSS competitions are sponsored by the Army Educational Outreach Program (AEOP), and administered by the Technology Student Association (TSA).

Front Axle Assembly Step 1 • Place one of the two thin wheels flat on the table. Insert one end of the remaining Delrin axle into the wheel until the end of the axle is flush with the opposite side of the wheel.

• axle – a shaft that a wheel or a pair of wheels revolve on • ball bearing – a type of bearing that uses small balls to reduce friction • bearing – the interface between two parts. In your JSS vehicle we will be referring to the interface between the axle and the chassis. This can be as simple as a hole, or as complex as bushings ...

Welcome to Junior Solar Sprint! By competing in Junior Solar Sprint, you will learn how to make your own model solar car that will run entirely from the power of the sun. You will experience first-hand the process of design. When you design your car, you will start with some ideas in your head and turn then into real-life models that work.

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Junior Solar Sprint vehicles use many different materials in their construction, many of them recycled and found materials. You will need to be thinking of items that you may already have around the house, as well as how to use common everyday items in a new way.

• axle – a shaft that a wheel or a pair of wheels revolve on • ball bearing – a type of bearing that uses small balls to reduce friction. • bearing – the interface between two parts. In your JSS vehicle we will be referring to the interface between the axle and the chassis. This can be as simple as a hole, or as complex

1. Students should work in their JSS teams (2 – 4 students). 2. Lead a classroom discussion/review of key words and terms, asking them what they already know about transmissions, drive trains, and gears. Some key points that you might want to make sure that they cover are: • Most vehicles use transmissions to accelerate and get the maximum ...