Kit

The kit available for the Deployable Roof project consists of a limited number of standard engineering materials together with some project specific materials. The standard materials and components are identified below with further information included in the standard MDP kit catalogue on the CD. Specialised components and materials are listed below complete with dimensional information and material specifications were appropriate.

If teams wish to use components or materials not on the lists below this must be agreed with the mentors.

• Specialised Components/Materials

  • Either Motor Actutors - Bosch 12 V motor with integral reduction gear
    • Part number 0 390 206 692
    • Voltage 12 V
    • Power 4 W
    • Current 1.7 A
    • Maximum current 3.8 A
    • Speed 65 rpm
    • Reduction 33:1
    • Continuous torque 0.6 Nm
    • Breakaway 2.2 Nm
    • Weight 0.4 kg
    • Rotation L/R
    
  • Or Pneumatic Actuator
    • Actuator type double acting
    • Bore (b) 10 mm
    • Stroke 45 mm
    • Shaft diameter 4 mm
    • Operating pressure (air) (P) 4 bar (60 psi)
    • Mass 110 g
    • Distance between pivots 140 mm (closed), 185 mm (extended)
    • Distance of fixture to first pivot 30 mm
    • Pivot pin diameter 3 mm

• Standard Structural materials available:

  (For the full parts list see the Web catalogue or the MDP CD.)
  • 2x Mild steel sheet, 0.7mm thick (450 x 450 mm maximum)
  • Mild steel tube, 5/16 inch outside diameter x 21 swg (600 mm long)
  • Mild steel tube, 3/8 inch outside diameter x 22 swg (600 mm long)
  • Mild steel rod, 4 mm diameter (600 mm long)
  • HS steel rod, 4 mm square
  • Mild steel rod, 6 mm diameter (300 mm long)
  • Aluminium angle, 12.5 x 12.5 x 1.6 mm (600 long maximum)

• Fasteners

  (See MDP CD for further information)
  • M3/M4 nuts and washers
  • M3 x 10, 20, socket head cap screws
  • M4 x 10, 20, socket head cap screws
  • M3/M4 studding (Max length 600mm)
  • 1/8in Pop rivets

• Miscellaneous

  • 12V electricity supply, leads, speed controller
  • 4 bar air supply, with pneumatic hose and regulators
  • Polypropylene sheet (400x150x1.5mm)
  • Rack MOD 0.7x300mm
  • Nylon gears MOD 0.7(12, 24, 36 teeth)
  • Piano Hinge
  • Calico-style cloth with a rubber veneer on one face - a lightweight, waterproof material (approx. 6% stretch in weft direction, <0.2% stretch in warp direction), of approx. 330 gsm