Search found 4 matches

by cohnhead
Tue Jun 11, 2013 8:50 am
Forum: Homemades
Topic: Pumps Guide - SuperPiston MK I and MK II
Replies: 24
Views: 20915

Re: Pumps Guide - SuperPiston MK I and MK II

This will work, but it won't work well. If I remember correctly, they don't move much water in a single stroke. But what's worse is that the inner diameter is very high, so you wouldn't be able to build up a lot of pressure before it becomes difficult to pump. I would not suggest using it for those...
by cohnhead
Tue Jun 11, 2013 8:42 am
Forum: Homemades
Topic: Pumps Guide - SuperPiston MK I and MK II
Replies: 24
Views: 20915

Re: Pumps Guide - SuperPiston MK I and MK II

the oncoming storm wrote:I have had good success with homemade pumps, Just take a dowel cut a small grove for your O ring and use Electrical tape on both sides of it to hold in place... Oh and don't forget to lube it.


How much did you spend on the APH you put together ?

All together, it probably cost me around $100
by cohnhead
Mon Jun 10, 2013 4:36 pm
Forum: Homemades
Topic: Pumps Guide - SuperPiston MK I and MK II
Replies: 24
Views: 20915

Re: Pumps Guide - SuperPiston MK I and MK II

Where can I find a guide for building the MK II or the MK I?
by cohnhead
Sun Jun 09, 2013 9:49 pm
Forum: Homemades
Topic: Pumps Guide - SuperPiston MK I and MK II
Replies: 24
Views: 20915

Re: Pumps Guide - SuperPiston MK I and MK II

Hi. I am new to building. I just completed building the APH design http://www.sscentral.org/homemade/aph/ . The problem I am having is with the pump made out of a wooden dowel and an O ring. Either the O ring falls off, or the pump mechanism leaks. I found this coupling at Home Depot. Its is called ...