Team HazardHawk

Team HazardHawk 2008

Last Week

Concept FinalizationComplete

Preliminary CAD of ConceptComplete

Budgetary EstimatesParts Selection

○ CompleteMaterial Selection

○ Complete

Team HazardHawk 2008

Last Week

GPS and Infrared TestingComplete

Select Trade Study TopicsComplete

Complete Concept MemoIncomplete

Team HazardHawk 2008

Concept Status Body: 2.5’ x 1.3’ x 1’ Arm: Two 30” segments

Retractable Equiped with two infared

sensors Can swivel 180o

Powered by 12-V DC Motors

Tank Drive Each side powered by a

24-V DC Motor LCD Display w/Keypad

Team HazardHawk 2008

CAD

Preliminary Budget Team HazardHawk Budget

            

Item Comments QTY PriceL-Bracket Home Depot - For Body 8 $4.64

Hinge Home Depot - For Body 2 $2.43HDPE McMaster-Carr #9785T162 1 $115.38Motor Merkle - Korff 24V Gear Motor 2 $40.00Motor Bi-Polar 2 Phase Motor 2 $20.00

Drive Shaft McMaster-Carr #8632T9 1 $22.27Sprocket McMaster-Carr #6280K321 2 $15.24Sprocket McMaster-Carr #6280K384 4 $50.32

RodHobby Lobby Carbon Fiber .5x10x1000mm 1 $21.00

Screws/Bolts Bolts+Nuts 100 $15.00Hinge For Arm 2 $8.50

BatteryFrom Mr. Brownell - 24V Borrowed 2 $0.00

Gear 15 Tooth 1 in. 2 $23.30Chain McMaster-Carr #6261K297 - 7 ft. 1 $19.18

ChainMcMaster-Carr #6261K261 - Connector 1 $1.34

Rings McMaster-Carr #98430A138 100 $8.00Wheels McMaster-Carr #2331T18 4 $46.16

Bearings McMaster-Carr #2705T24 8 $25.92                                                               

TOTAL     $438.68

GPS Test Results Data taken on 1/30/2008

Test 1: Start at an arbitrary location, move away from the location for 5 minutes and then return to the location and determine whether coordinates are the same.○ Start: N 41.7825, W 14.340○ End: N 41.7808 W 14.330 

Test 2: Start at an arbitrary location, move a great distance away from the location, and looking only at the GPS, return to the starting coordinates.○ Start: N 41.41.7600, W 86.14175○ End: ~Six feet from target

Trade Study Topics Infrared Sensor Sensitivity

Kerry  Kalman Filtering Techniques for Improving GPS

Precision Tim

Kinematic Analysis of the Arm Mechanism Andy 

GPS: Accuracy, Optimal Usage, etc. Dave

Feasibility of Using Wheel Encoders to Improve Navigation Guillermo

Action Items Complete Concept Memo

We will initiate this today (2/5/08) during our group meeting and divide the memo into parts

Individual Assignments will be completed by Thursday (2/7/08)

The memo will be compiled during the group meeting on Thursday (2/7/08)

Trim Budget Investigate Different or Scrap Material for body Look into used wheels Talk to Mr. Brownell about less expensive motors

Team HazardHawk 2008

Action Items

Order PartsWe will put in our online McMaster -Carr order on

Friday (2/8/08) after double checking our B.O.M and consulting with Mr. Brownell and Prof. Strebinger on our arm material selection

Complete Trade Study ProposalsIndividuals will complete their assigned

proposals by 2/12/08

Team HazardHawk 2008