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49cc Gas Powered Skateboard

49cc Gas Powered Skateboard. Project Team 10 Fall 2006 Team Members: Andres Caamano Stephen Bowes Matthew Maniscalco Roger Cuentas John Romano. 49cc Gas Powered Skateboard. Objective.

jared-summers
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49cc Gas Powered Skateboard

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  1. 49cc Gas Powered Skateboard Project Team 10 Fall 2006 Team Members:Andres Caamano Stephen Bowes Matthew Maniscalco Roger Cuentas John Romano

  2. 49cc Gas Powered Skateboard

  3. Objective • Our primary objective is to model, assemble, and animate the intricate workings of a 49cc gas-powered motorized skateboard. • The skateboard obtains power via a 49 cubic centimeter 2-stroke engine. This power is then transmitted to a crankshaft via a centrifugal toe-clutch, akin to those found in modern chainsaws. • The modeling of the project primarily involves, but is not limited to, the gearbox, the motor, as well as the deck, tires, the outer polymer casings of the engine and gearbox, and others.

  4. Challenges • The primary challenge our team will face will be disassembling the engine and transmission and correctly measuring all the parts. • This challenge has been further complicated because we were unable to receive schematics of the device. • Because we cannot rely on schematics, it makes our measurements so much more important. However, many of the pieces are oddly shaped which makes their measurements difficult to take. • Also, because the engine is old and worn; a lot of the bolts are stripped and hard to remove after several years of abuse.

  5. Sub assemblies • Engine • Transmission • Board with wheels and axels

  6. Engine components • Piston • Cam Shaft • Engine Block • Flywheel • Centrifugal Toe-Clutch

  7. Engine Assembly

  8. Transmission Components • 01 5mm Bolt • 02 6mm Allen bolt • 03 6mm washer • 04 Black ring block • 05 Cracked black case • 06 Plate 01 • 07 Plate - brass • 08 Plate limb • 09 Stress washer • 10 Brass wheel • 11 Gear • 12 Hex bolt • 13 Pinion • 14 Shell bottom • 15 Shell top • 16 Spike gear • 17 Torsion bar

  9. Transmission Assembly

  10. Board and Components

  11. Board Assembly

  12. Final Assembly

  13. Difficulties We Faced and Modifications • The chain connecting the drives, and the springs connecting the axles to the deck can be modeled, but due to the myriad chain links the animation and regeneration for such a part would take too much time. • Due to the inability to separate the engine block, the crank shaft at that location had to be estimated. • The deck of the skateboard was made of fiberglass and pressed into a form, it was a shell that varied in thickness; this was exceedingly difficult to model and therefore had to be treated as a solid. • We were unable to model the fuel injection system due to the fact that it involved many hoses and wires which at this time we are unable to model.

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