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Summary of Contents for A4 SoLDrag
- Page 1 D-SLD September 2011 Solar-powered dragster TECHNOLOGIE AU COLLEGE www.a4.fr...
- Page 2 A4. Copying or distribution for commercial use is not permitted without agreement from A4. Any copying or distribution of all or part of this booklet outside of school use is not permitted without...
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Page 3: Product Presentation
Polycristalline cells 18.6% Average Home Amorphous cells 12.7% Consumer products The photovoltaic cell of the SolDrag vehicle is amorphous; it is the best in terms of cost, but it is only efficient in a limited wave length range, near infrared. www.a4.fr... - Page 4 Student Worksheet See detailed nomenclature of assembly on page 4 Motor unit Red flexible wire, 1 conductor, length 125 mm Cable wiring Red flexible wire, 1 conductor, length 15 mm Cable wiring Cable wiring Red flexible wire, 1 conductor, length 140 mm Switch Change over slide switch Photovoltaic cell...
- Page 5 Student Worksheet Exercise Colour in the movable parts Unmarked screws are 18 PROJECT PART ASSEMBLY College Class DOCUMENT TITLE TECHNOLOGY EXPLODED VIEW COLLEGE Name Date...
- Page 6 Student Worksheet Exploded view of motor unit A PropulsO gear motor equipped with a motor specially adapted to the photovoltaic cell used. Important tips for the gear motor operation: The axle mustn’t be distorted. This is likely to happen when it’s cut with a saw and badly held in a vice. Don’t forget to chamfer the axle ends (see page 09).
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Page 7: Drawings Of Two Perspectives
Student Worksheet Exercise Measure the three dimensions and pencil them onto the drawing PROJECT PART Scale 1 : 1 DRAWINGS OF TWO College Class DOCUMENT TITLE TECHNOLOGY PERSPECTIVES COLLEGE Name Date... - Page 8 Student Worksheet Drilling Spot Drilling spots are used to position and hold screws They are made with a needle or a 1.5 mm diameter drill. Chassis Expanded PVC, thickness 3 x 40 x 127mm MARK NUMBER PART PROPERTIES PROJECT PART Scale 1 : 1 CHASSIS College...
- Page 9 Student Worksheet Cutting and drilling drawing (before bending) Hole Ø 3 15 x 45° The three drilling spots are 3 mm diameter and open. Bending drawing 30° 30° Hot bending on thermo-bender with resistant wire or cold bending after grooving. HIPS 1 x 40 x 127 mm Bonnet MARK...
- Page 10 Student Worksheet Cell support plate (4) Drilling spot Ø 3.5 Spacer plate (3) Drilling spot Ø 3.2 x 10 Drilling spot Drilling spot Drilling spots are used to position and hold screws. They are made with a needle or a 1.5 mm diameter drill. Photovoltaic cell support plate Expanded PVC 6 x 20 x 40 Spacer plate...
- Page 11 Student Worksheet Front wheel axle (5) Chamfer 0.5 X 45° Rear wheel axle (6) Chamfer 0.5 X 45° Assembling the rear wheel axle with the cogwheel Fitting 29.25 (29.25) 31,75 A 29 mm length tube will be used as a template to fit the axle. Functional tolerance is 1.5mm Injected ABS (on PropulsO set), 48 teeth Gear...
- Page 12 Student Worksheet Aluminium wire before bending Chamfer 0.5 X 45° Bended aluminium wire (7) Ø 7 to 9mm Ø 3 Aluminium wire Ø 3 x L 110 mm Aluminium wire MARK NUMBER PART PROPERTIES PROJECT PART Scale 1 : 1 ALUMINIUM WIRE College Class...
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Page 13: Shaping The Aluminium Wire
Student Worksheet Shaping the aluminium wire Important tips for shaping the aluminium wire: - You will need a template to make it easier to shape it, for example a pen or pencil with a diameter between 7 and 9 mm, - Make a full turn with the aluminium wire around the template Pencil or pen Ø... - Page 14 Student Worksheet Functional diagram Function Function Function Converting light Converting light energy into energy into On/Off Command electrical energy mechanical energy Part: Part: Part: Photovoltaic cell Switch (22) Motor (21) 1.5 V (20) Structural diagram Switch de l'arrière 01 de l'arrière 01 Photovoltaic cell 1.5 V Motor...
- Page 15 Student Worksheet Wiring the electrical components - Photovoltaic cell (20) - Motor (21) - Switch (22) - Black wire (23), length 140 mm - Red wire (24), length 15 mm - Red wire (25), length 125 mm We use wires provided with the photovoltaic cell Motor polarity The motors used are reversible;...
- Page 16 Control : good support : no gap in the assembly. Fixing the motor unit on the chassis Parts : motor unit, 4 cap screws Ø 3 x 6.5 mm, chassis. Tools : Phillips screwdriver. Control : good support : no gap in the assembly. www.a4.fr...
- Page 17 Control : good support : no gap in the assembly. Fixing the hood on the chassis Parts: 3 washers Ø 3x9, 3 cap screws Ø 3 x 6.5 mm, cover, vehicle. Tool: Phillips screwdriver, cutter plier. Control: good support : no gap in the assembly. www.a4.fr...
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Page 18: Option Of Electrical Energy Storage Capacitor
Electric motor specially adapted to the solar cell. 2300 tr/min under 1.5 V - Ø 21 - Axle 2 mm. Ref MOT-D21-SOL-A Micro-inverter with slider. Ref INV-GLI Option of electrical energy storage capacitor Super capacity chemical capacitor 2.3 V - 10 F. 01 Ref : CDC-10F www.a4.fr... - Page 19 To simplify, there is no serial diode with the capacitor. Consequently, in the absence of light, the capacitor unloads through the photovoltaic cell. Therefore, for the vehicle to work, it must have already been exposed to light. Without the capacitor With the capacitor www.a4.fr...
- Page 20 Student Worksheet Structural drawing Switch Photovoltaic cell 1.5V Motor Capacitor Wiring plan - Capacitor (26) - Photovoltaic cell (20) Brazing - Motor (21) - Switch (22) - Black wire (23), length 140 mm - Red wire (24), length 15 mm - Red wire (25), length 125 mm Location of the capacitor PROJECT...
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