6-Stroke Team 14
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Transcript of 6-Stroke Team 14
6-StrokeTeam 14
Team 14
Tim Opperwall, John Mantel, Andrew DeJong, Marc Eberlein, Jim VanLeeuwen
OutlineProblemDesignsIssuesFeasibilityResourcesAnalysisQuestions
Problem4-Stroke engines are inefficient
Implement a 2nd power cycleUse less fuel while maintaining powerWater injection systemElectrically Controlled Engine
6-Stroke Engine
1. Intake of air + fuel2. Compression 3. Combustion
4. Re-compression 5. Water Injection
6. Exhaust
Design ATwo considered design alternatives
Camshaft ModificationMechanically controlledExtend crankcase to allow roomManufacture camshaft
Design BElectrically Controlled Engine
Remove cam controlled valvesReplace with solenoid actuated valves
Added capability between 4+6 strokes
Head redesign
IssuesInjection System
C programmingSpace RequirementsWater in Fuel
InjectorEconomics
Engine TestingPressureTemperature
Emissions testingOrsat failureGas
chromatography Chemistry
DepartmentDynamometer
testingFastbikes U.S.A.
Engine ModificationJohn Farris-GVSU
FeasibilityIt has been done beforeEngine Control Unit (ECU) is highly
adjustableTeam experience with engines and
machines
ResourcesEngr 315-Control Systems
Arduino BoardThermocouple amplifier
Machine ShopsVortec ToolingFastbikes USAHighlight Industries
John Farris-GVSU dynamometer testing
Engineering AnalysisControl System Design
Built a working temperature control system
Thermodynamic Calculations
0 90 180 270 360 450 540 630 7200
0.05
0.1
0.15
0.2
0.25
0.3Current Valve Timing
Degrees After TDC
Valv
e Li
ft (
in)
Reverse Engineered Cam ShaftDetermined timing and displacement of
valves
Intake Exhaust
Questions