Ribbon Propeller DriveRibbon Propeller DriveDr. Kenneth KroosDr. Kenneth Kroos

4/27/044/27/04

Kelli BarbatoKelli BarbatoBrynn Fredette – Team LeaderBrynn Fredette – Team Leader

Kerry KamonKerry KamonLindsey WhiteLindsey White

Problem StatementProblem Statement

• Our project goal is to explore various Our project goal is to explore various configurations of an Archimedes configurations of an Archimedes screw and determine its screw and determine its effectiveness as a propeller.effectiveness as a propeller.

Problem StatementProblem Statement

Possible applications:Possible applications:• PropellerPropeller• PumpPump• Hydroelectric powerHydroelectric power

Problem StatementProblem Statement

Possible advantages:Possible advantages:• Minimize cavitationMinimize cavitation

• Decrease root stressDecrease root stress

• Increase thrust without increasing Increase thrust without increasing rotational speedrotational speed

• Conserve energyConserve energy

Design DescriptionDesign Description

Propeller:Propeller:• Based on an Archimedes Based on an Archimedes

screwscrew

• Three coils of varying Three coils of varying pitchpitch– Ten configurationsTen configurations

• Plastic model with metal Plastic model with metal rod for supportrod for support

Design DescriptionDesign Description

Experiment:Experiment:• Plastic tubePlastic tube• Water tankWater tank• ScaleScale• Drill motorDrill motor• Optical Optical

tachometertachometer• Video cameraVideo camera

Schedule of WorkSchedule of Work

• Spring 2004Spring 2004: Organize, research, : Organize, research, brainstorm, learn SolidWorksbrainstorm, learn SolidWorks

• Fall 2004Fall 2004: Create designs in : Create designs in SolidWorks, perform experiments, SolidWorks, perform experiments, analyze dataanalyze data

• Spring 2005Spring 2005: Finalize analysis, write : Finalize analysis, write final report, final presentationfinal report, final presentation

BudgetBudget

Provided by the ME Provided by the ME Department:Department:

• SpaceSpace: CEER 109 & 111, TOL 20: CEER 109 & 111, TOL 20

• MaterialsMaterials: Wax, plastic, metal rod: Wax, plastic, metal rod

• Technical helpTechnical help: Lab technician: Lab technician

• EquipmentEquipment: Plastic tube, water tank, : Plastic tube, water tank, scale, optical tachometerscale, optical tachometer

BudgetBudget

Not provided by the ME Dept.:Not provided by the ME Dept.:• EquipmentEquipment: Drill motor, video camera: Drill motor, video camera

Total estimated costTotal estimated cost: $100: $100

Thanks to Dr. Kroos &Thanks to Dr. Kroos &

Dr. Rosefsky…Dr. Rosefsky…

……Any questions?Any questions?