tellurion with Sun, Mercury, Venus, Earth and Moon made of cardboard diameter 44 cm height 30 cm crank handle drive, illuminated sun |
|
built July 2009 |
orrery with sun, planets, some dwarf planets and moons made of brass diameter 53 cm height 37 cm electric driven | |
built February - December 2010 |
accurate tellurion with Sun, Earth and Moon made of brass diameter 42 cm height 34 cm electric driven, illuminated sun | |
built December 2010 - November 2011 |
miniature steam engine dimensions 260 x 200 x 240 mm weight 1.3 kg fired with Esbit dry spirit purchased February 2011, in used condition |
stirling engine, made of cardboard dimensions: 126 x 126 x 165 mm powered by a hot cup of water built March 2011 |
metal made stirling engine diameter: 100mm height: 120 mm powered by a hot cup of water pruchased June 2011 |
high voltage generator electric driven built June 2014 |
high voltage generator, made of cardboard crank handle drive built September 2015 |