Week 2 Building the SeaPerch

A Sea Perch "Remotely Operated Vehicle" or "ROV" Kit was given to create a basic structure from which various modifications could be added to increase its efficiency.


 The parts included in the Sea Perch "ROV" kit are listed in the table below.

Table 1- Materials in the Sea Pearch

Quantity	Description
1	Mesh  - 12” x 8” – Black Polyethylene
1	Sealed Lead Acid Battery – 12V
1	Sealed Lead Acid Battery Charger – 12 V, 500 mA
1	Wax Bowl Ring
10	White PVC ½” – 90 degree Elbow
6	White PVC ½” x 12” – Straight Pipe
6	Tie Wraps – Motor Mount – 11 – ¼” - Blue
1	Electrical Tape – Black - Roll
4	White PVC ½” - Tee
1	SeaSwitch Control Box Kit
2	Pool Noodle – 5” Piece
1	50 ft. 350 Mhz Cat 5e Stranded Cable W/RJ-45
1	Velcro Cable Tie
3	Film Cannister – 35
1	18 Awg Speaker Wire – 6’
1	Battery Charger Cable – SLA Cord
3	12 VDC Motor, o.7 A – Shaft Diameter “0.091”
15	Cable/Zip Ties – 6” Black
1	Transfer Pipette – Disposable
1	Black Sharpie Marker
1	Sea Perch Pen
1	Solder – 60/40 Rosin Core
3	Propellers – Plastic 1/8” Shaft Size
3	Propeller Shaft Threaded Coupler
2	Alligator Clips
1	Black Alligator Clip Insulator
1	Red Alligator Clip Insulator
1	Urethane Adhesive & Mixing Stick 3.5 Gram
1	Butyl Rubber Tape – 1.5” x 3”
1	Alcohol Wipe
3	Threaded Insert Tee Nut
3	Nylon-Insert Hex Locknut 4-40 – Stainless Steel
1	4-40 x 3/8” Pan Head Machine Screw
1	Safety Glasses

A building manual regarding the Sea Perch "ROV" Kit was found on the Sea Perch website using the link found below.


http://seaperch.mit.edu/docs/seaperch-build-october2011.pdf

Tasks Completed

1) PVC Pipes cut into modified predetermined lengths (Refer to Table B Below)
2) Required holes drilled in to PVC pipes at predetermined locations
3) Sealed motors so that wax cannot enter
4) Waterproofed the motors with wax

Above is a picture of all of the cut PVC pipes with the required holes.

Table B - Frame Assembly Original and Modified Measurements

Number of PVC Pipes	Original Measurement (inches)	Modified Measurement (inches)
2	4	9.5
2	6.5	12
4	1.5	1.5
4	5	5
2	2.5	2.5
2	4.5