Environment environmental impact (1, low - 3, high) 1 3 2 1 3 1 3 upkeep (1, low 2 - 3, high) 1 2 2 3 N/A 1 1 availability (1, low - 3, high) 3 2 2 1 3 3 Culture /Society low client interest * low high medium medium low low easy and convenient environment known easy to use, and known highly source of efficient, and benefits process efficient efficient favorable high nutrition easy to use cost effective 5 weeks building hr 0 0 2 4 weeks 1 week stationary mobility portable/ stationary stationary stationary stationary user scale individual community community individual all group high caloric Unreliable expenditure, caloric costly, energy unreliable need enough loud, fuel source, availability hand power a cannot of parts, from a long time, chop need more person to item is not incosistent during than 1 work for a available chopping impact, night, person to long period of locally, diesel drawback sizes dangerous expensive operate time powered. sources: * 2015 , ** Alibaba, 2015, *** Khope 2013 5.3.1 Comparison of Chopper Technologies Figure 1. Chart comparing hours saved compared to machete chopping and cost of chopper. Color represents environmental impact of each technology and line points to most ideal chopper.
Environment environmental impact (1, low - 3, high) 1 3 2 1 3 1 3 upkeep (1, low - 3, high) 1 2 2 3 N/A 1 2 availability (1, low - 3, high) 3 2 2 1 3 3 1 Culture /Society client interest * low high medium medium low low low benefits convenient and known process highly efficient efficient favorable easy and known source of high nutrition easy to use easy to use, efficient, and cost effective building hr 0 0 2 4 weeks 1 week 5 weeks mobility portable/ stationary stationary stationary stationary stationary user scale individual community community individual all group drawback caloric a long time, incosistent chopping sizes costly, loud, fuel impact, dangerous Unreliable energy source, cannot chop during night, expensive high caloric expenditure, unreliable availability of parts, need more than 1 person to operate need enough hand power from a person to work for a long period of time item is not available locally, diesel powered. sources: * 2015 , ** Alibaba, 2015, *** Khope 2013 5.3.1 Comparison of Chopper Technologies Figure 1. Chart comparing hours saved compared to machete chopping and cost of chopper. Color represents environmental impact of each technology and line points to most ideal chopper. environment
D-Lab-I-Final-Report.docx