Presentation - => 978.7667

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Click to edit Master subtitle style 3/19/11 Design Review II Section 5 Enginerds Brian Arntfield David Doman Laura Ebert Theera Pornphaithoonsakun
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3/19/11 Old Design Current Design - We switched from four wheel drive to rear wheel drive. - Instead of a belt around two wheels, we are going to use rubber bands around each wheel, eliminating the need to purchase a belt.
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3/19/11 90 degrees angle battery bearing Body wheel Gear box
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3/19/11
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3/19/11
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3/19/11
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3/19/11 Variables that cannot be changed l Coefficient of friction l Friction losses in the gearbox l Maximum length, width and height
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3/19/11 Variables that can be changed - Weight of vehicle - Center of mass of vehicle - Gear train ratio *analysis money spent max time time dif 40 0 40 3.749382 36.25062 40angle angle 27 sq rt to the 1/4 mult
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Unformatted text preview: => 978.7667 31.28525---------------------------------------------------------------------------------------------2.514867 31.28525mult => 78.67823% 3/19/11 Materials Selection The body will be made of 1/16 “ aluminum The wheels will be made of ¼ “ acrylic The front axle will be made of ¼ “ diam. Aluminum The 90 degree angle pieces will be made of 90⁰ aluminum stock The motor will be the FA-130 motor from the kit The bearings and batteries are given in the kit 3/19/11 Fabrication/Assembly Methods Body: water jet Wheels: laser cutter, then press fit onto axles Axle: band saw 90⁰ Aluminum: band saw/mill Bearings: press fit into 90⁰ aluminum Bolt everything else down...
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This note was uploaded on 03/18/2011 for the course ME 250 taught by Professor Dutta during the Winter '07 term at University of Michigan.

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Presentation - => 978.7667

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