Design - Constraints

Design a safe, durable and reliable truck dumping system Fits in an existing factory box of a pick up truck (F250 – 4x4) Improvements over competition Compliance with Department of Motor Vehicle regulations

FOR 72 EASY PAYMENTS OFFOR 72 EASY PAYMENTS OF $42.99*$42.99* Or one payment of $3100Or one payment of $3100

* Some restrictions apply. Some assembly required. Subject to availability. Team Big Dump is not responsible for home wrecking caused by their products. Team Big Dump does not guarantee that its products will “change your life”. Please do not call this number between the hours of 12am and 12am.

TAKE HOME THE BIG TAKE HOME THE BIG DUMPDUMP

1-800-BIG-DUMP

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The Big Dump

Pin Locations

Max force = 17 000 lbs.

Pins

greaseoutlet

orientation lockingbolt hole

Rating = 66 000 lbs.Safety Factor = 4

Rear Hinge Location

Rear Hinge

Rear Hinge

Lifting Mechanism

Gusset Plate

Gusset PlateHelps to reduce possibility of bendingMust sustain a compression force of 5 300 lbBuckling -

Pcr = 18 600 lb

Gusset Plate

Gusset Plate

Torsion Tube

Torsion TubeMaximum Torque

= 1 400 ft.lbAllowable Torque

= 17 000 ft.lb

Torsion Tube

Finite Element Analysis

Lift mechanism Find areas of maximum stressSimulate reinforcementsMaximum Stress 73 ksi

Special thanks to:Mark McKiel

Maximum

Stress Area

Finite Element Analysis

Reinforcement of the bottom pin with solid

member 2Addition of a inside Gusset plateMaximum Stress 24.8 ksi

Maximum

Stress Area

Dumper Box

Load Capacity: 3000 lb.Volume: 3 cubic yardsLow-Carbon Alloy SteelYield Strength: 40 ksi

Dumper Box

Fillet Welds

Butt Welds

Torque Tube

0.070”

Hinge

Tailgate

0.070” sheet steel

1/2” removable

pins

SF=2 for 3 000lb

load

Specifications

Bed Floor Size:  Inside Dim. 4’¼’’ x 8’Payload Capacity 3000 lbUnit Weight 1000 lbVolume Capacity 3 Cubic YardsCycle Up Time, Loaded ~20 SecondsDump Angle 40 Degrees

Specifications cont’d

Side Steel 3/16"Deck Steel 3/16"Tailgate Double-Acting RemovableEnergy Source Truck’s 12V Battery

Hoist and Hydraulic Pump -  Mounted Under Unit on both sides

Hydraulics Power Up/DownRemote Control StandardSafety Mechanism Valve lock and Physical restraintLubrication Thread In Grease Fittings on Pivots

Cylinder

Budget

The Big Dump

Budget

Actual Costs vs. Projected Costs

Actual Projected$ 190 1100

Controls, connections and cylinders $ 966 966

$ 1156 1932

Metal Cost

Total Cost

Grand Totals:

Manufacturing Facility Tour

FOR 72 EASY PAYMENTS OFFOR 72 EASY PAYMENTS OF $42.99*$42.99* Or one payment of $3100Or one payment of $3100

* Some restrictions apply. Some assembly required. Subject to availability. Team Big Dump is not responsible for home wrecking caused by their products. Team Big Dump does not guarantee that its products will “change your life”. Please do not call this number between the hours of 12am and 12am.

TAKE HOME THE BIG TAKE HOME THE BIG DUMPDUMP

1-800-BIG-DUMP

Special thanks to……..Facility Tour

Big Dump Promotions

Copyright 2003

David Courtney

Dr. Ugursal

Mark McKiel

Peter Jones

Dr. Hubbard

Dr. Kujath

Tasos

Cathy Wood

Morgyn MacLeod

Rob Warner

Liam Hennebury

John Courtney

Adam Secord

Mark Pelrine

Chris Myers

Mechanical Engineering

Class of 2003

Steve Theriault

Golfie

Robert C. Juvinall

Kurt Marshek

Princess Auto

Maritime Demolition

DND - Dockyard

Opa

Freak Lunchbox

Great Canadian Bagel

Team Big Dump