Tuesday, 25 October 2011

PVA paint

We are joined by the Dutch students while drying the PVA paint using a heat gun blower and hair dryers.

Also having our supervisor from electrical and mechanical engineering getting thier hands dirty with sanding.

Tuesday, 18 October 2011

Group Members

Mechanical Engineering
  • Mr. T. van der Schyff (Supervisor)
  • Ms V. Cain (Supervisor)
  • Mr. P. Humphreys (Supervisor-AMTL)
  • C. Nijeboer (Group Leader)
  • M. Ruperti
  • E. Labuscagne
  • S. Lebatlang
Electrical Engineering
  • Mr. R. Pentz (Supervisor)
  • Mr. B. Groenewald
  • L. Schmids (Group Leader)
  • W. Volschenk
  • D. Tolken
Industrial Engineeing
  • G. Coetzee

Brag Poster

The poster indicating how far we are, busy with the plug. There is still Modelled vehicle to come soon.

Hydrogen Fuel Cell

SPECIFICATION

  • Type of fuel cell PEM
  • Number of cells 72
  • Rated Power 1000W
  • Performance 43.2V @ 24A
  • H2 Supply valve voltage 12V
  • Purging valve voltage 12V
  • Blower voltage 12V
  • Reactants Hydrogen and Air
  • External temperature 5 to 30ºC
  • Max stack temperature 65ºC
  • H2 Pressure 0.45-0.55bar
  • Hydrogen purity 99.995dry H2
  • Humidification self-humidified



  • Cooling Air (integrated cooling fan)
  • Weight (with fan & casing) 4500 grams(±100grams)
  • Controller 400 grams(±30grams)
  • Dimension 21.5cm x 12.5 cm x 30cm
  • Flow rate at max output* 14 l/min
  • Start up time 30S at ambient temperature
  • Efficiency of stack 40% @ 43.2V
  • Low voltage shut down 36V
  • Over current shut down 30 A
  • Over temperature shut down 65
  • External power supply** 13V(±1V), 5A~8A



Wednesday, 12 October 2011

Prop Construction

Steps to follow:
1   -   Foam shaping
2   -   One layer PVA spray
3   -   One layer Fibre Glass
4   -   Sanding
5   -   Bodyfiller
6   -   Sanding bodyfiller
7   -   PolyFilla
8   -   Sanding PolyFilla
9   -   Filling spots
10 -   Sanding
11 -   Primer
12 -   Sanding
13 -   Clear Coat
14 -   Polishing