Heat Exchanger Tech Tree of Choices: Difference between revisions

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(Created page with "=Helical= *Copper indide a chimney with propane - [https://docs.google.com/spreadsheets/d/1seTw-dpV39f2ggwRw1KQh2nWxQJU4-M6u2ezoJ4hW9s/edit#gid=1]")
 
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=Helical=
=Helical=
*Copper indide a chimney with propane - [https://docs.google.com/spreadsheets/d/1seTw-dpV39f2ggwRw1KQh2nWxQJU4-M6u2ezoJ4hW9s/edit#gid=1]
*Copper indide a chimney with propane - [https://www.youtube.com/watch?v=-wHkZp31by8]

Revision as of 16:29, 17 September 2015

Helical

  • Copper indide a chimney with propane - [1]