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Thanks RPGs, interesting project you linked to.

Fellows, I didn't ask whether I should do it. Would appreciate if someone had something useful to contribute.

I'm planning to build an underground cellar using the random rubble masonry construction method. I've decided on this method to save cost on construction materials, because I have access to a lot of natural stones on my property, and I also have a lot of spare time. The stones are a mix, but...

EdStainless and TugboatEng: Thanks for the replies. My home is heated with fire wood, which I have plenty of. Electricity I don't have much of in the winter because I'm off grid.

Hello everyone. I have a fresh water pipe that comes out of the ground and runs a short section on the outside of my house. That section sometimes freezes in the winter, even though I have insulated it with mineral wool. Perhaps if I mount a heat pipe along the length of the fresh water pipe I...

I want to pump 1 L of mineral oil into a bladder at 100 bar pressure using as little energy as possible. Flow rate is not important. What type of pump would be the best choice? I've looked at diaphragm pumps, but not found any that can handle 100 bar. I've also looked at using a 1 L hydraulic...