ICDP1a - CE 361 In-Class Design Problem Vehicle Design For...

Info icon This preview shows pages 1–3. Sign up to view the full content.

View Full Document Right Arrow Icon
CE 361 In-Class Design Problem: Vehicle Design For this exercise, you are to design a vehicle by selecting dimensions, engine size, etc. You will need to make a number of assumptions, and typical road tests are provided to help you in this regard. Based on your knowledge of vehicle design, select reasonable values for the following vehicle attributes: Vehicle weight (lb) Engine power and torque (estimate based on roadtests provided) Front or rear wheel drive Wheelbase Location of center of gravity Total frontal area Passenger capacity Driver’s eye height Overall gear reduction ratio (estimate based on roadtests provided) Approximate 0 – 60 mi/h time Based on the values selected above, compute the following: 1. Optimal brake-force proportioning (front and rear) on good, wet pavement at 70 mi/h. 2. Maximum acceleration from rest on good, dry pavement. 3. Theoretical stopping distance (exclude perception/reaction time) without antilock brakes from 70 mi/h on good, dry pavement (assume a brake efficiency of 80 percent and ignore aerodynamic resistance). 4. Theoretical stopping distance with antilock brakes (ABS) from 70 mi/h on good, dry pavement (assume appropriate brake efficiency for ABS and ignore aerodynamic resistance). 5. Include a sketch of your vehicle.
Image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full Document Right Arrow Icon
List Price est $19,999 Price as Tested est $22,249 PERFORMANCE Acceleration Time to speed Seconds 0–30 mph ..... 2.5 0–40 mph ..... 3.8 0–50 mph ..... 5.0 0–60 mph ..... 6.8 0–70 mph ..... 8.6 0–80 mph ..... 11.0 0–90 mph ..... 13.7 0–100 mph ..... 16.8 Time to distance 0–100 ft ..... 3.3 0–500 ft ..... 8.3 0–900 ft ..... 11.9 0—1320 ft (¼ mile) ..... 15.1 @ 94.6 mph Braking Minimum stopping distance From 60 mph ..... 133 ft From 80 mph ..... 228 ft Control ..... excellent Brake feel ..... very good Overall brake rating ..... very good Subjective ratings consist of excellent, very good, good, average, poor; na means information is not available. Fuel Economy Our driving ..... 19.7 mpg EPA city/highway ..... 22/31 mpg Cruise range ..... 240 miles Fuel capacity ..... 13.2 gal. Handling Lateral acceleration (200-ft skidpad) ..... 0.85g Balance ..... mild understeer Speed through 700-ft slalom ..... 68.6 mph Balance ..... mild understeer Lateral seat support ..... good Interior Noise Idle in neutral ..... 45 dBA Maximum in 1st gear ..... 78 dBA Constant 50 mph ..... 69 dBA 70 mph ..... 72 dBA Engine Type ..... aluminum block & head, inline-4 Valvetrain ..... dohc 4-valve/cyl Displacement ..... 122 cu in./1998 cc Bore x stroke ..... 3.39 x 3.39 in./ 86.0 x 86.0 mm Compression ratio ..... 11.0:1
Image of page 2
Image of page 3
This is the end of the preview. Sign up to access the rest of the document.

{[ snackBarMessage ]}

What students are saying

  • Left Quote Icon

    As a current student on this bumpy collegiate pathway, I stumbled upon Course Hero, where I can find study resources for nearly all my courses, get online help from tutors 24/7, and even share my old projects, papers, and lecture notes with other students.

    Student Picture

    Kiran Temple University Fox School of Business ‘17, Course Hero Intern

  • Left Quote Icon

    I cannot even describe how much Course Hero helped me this summer. It’s truly become something I can always rely on and help me. In the end, I was not only able to survive summer classes, but I was able to thrive thanks to Course Hero.

    Student Picture

    Dana University of Pennsylvania ‘17, Course Hero Intern

  • Left Quote Icon

    The ability to access any university’s resources through Course Hero proved invaluable in my case. I was behind on Tulane coursework and actually used UCLA’s materials to help me move forward and get everything together on time.

    Student Picture

    Jill Tulane University ‘16, Course Hero Intern