Work starts on the pump
To hear about how I've started to make parts for the rope pump, watch my latest blog video:
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Hi Cai,
great work on the solar pump! We work with rope pumps a lot (my colleague has 20 years of experiments with the rope pump), and we thought we'd share some of our stuff with you. Most importantly, there is a good technical manual with all kinds of construction details on normal rope hand pumps. Here it is:
http://www.practicafoundation.nl/wp-content/uploads/PDF/practica-180306-rope-pump-manual-ethiopia-march-2006-complete1.pdf
It might be of some use to you.
all the best,
Mark Westra
m.t.westra@gmail.com