Hybrid Engines Conventional hybrid vs. “reverse” hybrid 4 Main Components of Hybrid Engine Ignition system Fuel chamber www.aspirespace.org.uk

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    21-Dec-2015

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  • Slide 1
  • Hybrid Engines Conventional hybrid vs. reverse hybrid 4 Main Components of Hybrid Engine Ignition system Fuel chamber www.aspirespace.org.uk
  • Slide 2
  • PMMA or HTPB? PMMA (Poly-Methyl Methacrylate) or plexiglass HTPB (Hydroxyl Terminated Poly-Butadiene) or rubber Properties: Pros and Cons of HTPB vs. PMMA
  • Slide 3
  • Cost Evaluation PMMA is sold as either extruded or cast D o = 0.05 m, D i =0.044 m, L = 0.5 m, t = 0.03 m is $202.00 D o = 0.03 m, D i = 0.024 m, L = 0.5 m, t = 0.03 m is $234.00 HTPB is a two part mix ($56) one part thermoset elastomer one part diisocyanate

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