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Knowledge from others (links and 3P-info)

A blog to store our best DemoUnit-video's ....

Submitted by Reinder on July 28, 2018 - 6:34pm

And also to archive the crums and the bad ones. There should be a place where they can be found.

This is a really bad Occupy-video, taken by James, a guy who created a lot and spoiled even more. This is the link. Would straightening it help?

I have to copy the liinks already available at our Demotech Channel

VP PPump

Submitted by Administrator on January 3, 2018 - 10:38pm

Paddy pump version December 2009. The pump here is shown pumping with an 85cm lift. Achieved 2L/s without to much effort. The biggest problem was stability on this uneven clay bank. As you can see at the end of the video, the top pipe needs to be extended and cut at a bigger angle.

Graham Paddy Pump

Submitted by Administrator on January 3, 2018 - 10:34pm

Mobile rope pump "Paddy version" being used for demonstration in a lake in Thai Binh Province Vietnam. The rope pump concept invites to experiment and that is meant to be so! Of course everywhere the situation of use is a bit or a lot different, so people can make changes. to their likings. No one is satisfied at once when experimenting. First of al experiments can be fun as in this video, then this experiment has taught these guys what works and what needs change.

Shallow rope pump

Submitted by Administrator on January 3, 2018 - 10:21pm

Rope pump dave102190 and Rope pump with Negros Oriental visitor:

Student from JRMSU driving a pump using only rope, old slipper, rubber, PVC pipe, and Iron bars. Hey what keeps it from slipping when wet? are there grooves on the wheels for the rubbers or some soft of thing like that? How do u make the pump? how does water travel upward? Materials are rubber, pipes, old slippers/ flip flops, Ropes, cements, and iron.

Rope pumps in Malawi: Water, Food and Income

Submitted by Administrator on January 3, 2018 - 10:10pm

Foundation Connect International is a Dutch NGO for development aid, working mainly in Africa. Connect International has developed an integral concept to facilitate the alleviation of poverty in developing countries, with a main focus on rural areas, on active beneficiary participation and on effective low cost solutions that are mostly produced locally.

"Paddy" rope pump

Submitted by Administrator on January 3, 2018 - 10:03pm

The owner of a "paddy" version of the rope pump for a low lift situation irrigating a rice field from a channel. She has used in in the past, and her neighbours have borrowed the pump widely for use. The model is only a demonstration, and there are many small opportunities to improve efficiency.

Treadle Pump vs Rope & Washer

Submitted by Administrator on January 3, 2018 - 8:57pm

Higly interesting is the comparation between rope pump and Treadle pump:

Small scale irrigation in Africa. Manufactured treadle pump vs farmer made rope and washer pump. Africa Windmill Project teaches village farmers how to build and use rope and washer pumps. The rope and washer pump enables farmers to irrigate their gardens year round for food sustainability.

States, non-states and net-states, position TreeDripper project, please

Submitted by Reinder on November 6, 2017 - 9:14am

This article found in Wired, outlines a new understanding of actors at a world compassing scale.

Article now being conceived and written. Based on the notion as stipulated in the above Wired link and an effort to get a universal understanding how this project should organize itself.