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My Electric Car (new, original title for an extra point) by Your Name

My Electric Car (new, original title for an extra point) by Your Name. 11/19/2010 (1pt for date) IPC Mr. Thomas Period (1 pt). wiki.rockwallisd.org/groups/davidthomas. Name your car in the title above Give make(3 pts), model(2 pts) and year(1 pt) Put a picture of it on this slide(5 pts).

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My Electric Car (new, original title for an extra point) by Your Name

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  1. My Electric Car (new, original title for an extra point)byYour Name 11/19/2010 (1pt for date) IPC Mr. Thomas Period (1 pt)

  2. wiki.rockwallisd.org/groups/davidthomas • Name your car in the title above • Give make(3 pts), model(2 pts) and year(1 pt) • Put a picture of it on this slide(5 pts)

  3. Determine your motors • Do you want AC motors (the best) or DC motors (the least expensive)? (2 pts) • How many horsepower? (3 pts) • You will need the curb weight (2 pts) • You need 6-8 HP per thousand pounds. • Use Google converter to find out how many kiloWatts will this equal?(3 pts)

  4. How much Voltage do you need? • How many volts would your motors need to produce the power you calculated in the last slide? (10 pts) • On the formula chart P=V*I. • Assume 60 Amps for current (I) • So V=P/60 Amps • Plug in your value for P (in Watts, not kiloWatts) and solve for V (in Volts)

  5. How many batteries do you need? • How many 12 V batteries would you need to get the voltage you just calculated?(10 pts) • Divide your voltage by 12.

  6. How heavy are your batteries? • Assuming a typical car battery weighs 40 pounds, how much will your batteries weigh?(4 pts) • How much mass will they have if a kg weighs about 2.2 pounds? In other words, each battery has a mass of about 18 kg.(6 pts)

  7. Find the final mass. • Add your curb weight and your battery weight and divide by 2.2 pound/kg to find the total mass of your vehicle. (10 pts) • This will be the total mass of your vehicle (approximately) after installing batteries.

  8. How fast could you go? • Actually, calculate your acceleration, ignoring air resistance and friction. (10 pts) • W= E = ½ m v2 • 60 mph = 27 m/s. use this for v (v2=729) • Use your total mass for m • Solve for W • Time = Work / Power (in Watts) • 27 m/s divided by t = acceleration

  9. How far could you go? • How far (theoretically) would you be able to go on fully charged batteries? (10 pts) • Assume the batteries have about 1200 volt-hours of life each • divide 1200 Volt-hours by your voltage • Answer will be in hours • If your answer is ridiculously small, multiply by 60 to see how many minutes • If still too small multiply by 60 again to see how many seconds your charge will last

  10. How much would it cost? • Look up the cost of your motors (4 pts) • Add to that the cost of your batteries if we can get them discounted at about $25 each (3 pts) • Add another $1000 for wiring, a charging system and other parts. (3 pts) • This will be the total cost of your conversion

  11. Would you ever do this? • Consider the cost, the performance, the work and the savings in gas costs, would you consider taking on a project like this?(10 pts)

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