prototype review 1 - ohio university · 2010-06-25 · prototype review 1 dan tyburski bryan marlow...
TRANSCRIPT
28 April 2006 Team 4/5 Slide 1
Prototype Review 1Prototype Review 1
Dan Tyburski
Bryan Marlow
Philip Poll
Jason Gray
Matt Decker
Julio Cumba
Chris Short
Katie Melton
Mike Caples
Eric Krouse
TJ Cyders
Craig Foglesong
Adam Koloff
Adam Shank
Chris Williams
Jared Donnamiller
28 April 2006 Team 4/5 Slide 2
Presentation OverviewPresentation Overview
Vehicle overviewPrototype/Final Design ComparisonCornering BrakingNon-performance specifications
28 April 2006 Team 4/5 Slide 3
Vehicle OverviewVehicle Overview
H3R3 wheel, single rear wheel driveRecumbent seatingPitman arm steeringTwo front drum brakesRear disc brakeRegenerative brakingWeight = 315 lbs
28 April 2006 Team 4/5 Slide 4
Prototype/Final Design ComparisonPrototype/Final Design Comparison
LightsLED turn signals, tail lights, and flasher 35 Watt headlightsAccessory battery
Weather protectionSuspension
28 April 2006 Team 4/5 Slide 5
Target SpecificationsTarget Specifications
CorneringMust have a turn radius of 10 ft or lessMust be stable in a turn radius of 15 feet at 10 mph
BrakingMust be able to safely come to a complete stop in 25 feet or less
28 April 2006 Team 4/5 Slide 6
CorneringCornering
28 April 2006 Team 4/5 Slide 7
CorneringCornering
Vehicle Data
Wheel base length 58.5 inches
Wheel base width 54.5 inches
CG height 19 inches
CG distance(from front wheels) 27 inches
Turn Radius
MaxVelocity
10 ft 10.25 mph
15 ft 12.5 mph
Tipping Curve
28 April 2006 Team 4/5 Slide 8
CorneringCornering
InsideWheel Angle
OutsideWheel Angle
Minimum Turn
Radius
38º 24º 8 ft
8’ 10’ 15’
28 April 2006 Team 4/5 Slide 9
10 ft Turn Radius10 ft Turn Radius
28 April 2006 Team 4/5 Slide 10
Minimum Turn RadiusMinimum Turn Radius
28 April 2006 Team 4/5 Slide 11
BrakingBraking
lbsFF
sftlbs
sftlbs
gWm
maF
305)36.16)(63.18(
/63.18
/2.32600
22
==
===
=
Preliminary Calculations
2
2
0
20
2
/26.16)25(2)6.28(0
25/6.285.19
/02
sftata
ftxsftmphv
sftvxavv
=
+=
=Δ==
=Δ+=
- Torque test show F > 305 lbs
- Expecting braking distance < 25 feet
- Additional testing to be performed
28 April 2006 Team 4/5 Slide 12
NonNon--performance Specificationsperformance Specifications
Overall Safety SpecificationTotal cargo volumetric capacity
2 ft3 requiredVehicle footprint area
6ft x 3ftSecurity
Prevent unauthorized use and roll-away
28 April 2006 Team 4/5 Slide 13
SafetySafety
Three point seatbeltTwo side mirrorsSupport handleKill switchFront bumper
28 April 2006 Team 4/5 Slide 14
CargoCargo
Volumetric Capacity = 2.85 ft3
25 in
24in
12 in
28 April 2006 Team 4/5 Slide 15
Vehicle FootprintVehicle Footprint
Vehicle size 6ft 3in x 4ft 9in
28 April 2006 Team 4/5 Slide 16
SecuritySecurity
Parking brakeKey switch
28 April 2006 Team 4/5 Slide 17
QuestionsQuestions