The Utilities Public Discussion Group Public Discussion Group Active 3 weeks ago Public Discussion Group Organizer: Organized by Group Description Leave Group Are you sure you want to leave ? Feed Discussions Documents Photos 9 Albums Members 541 Reply To: Thermal sand battery prototype. MartHale7 Member February 14, 2024 at 12:27 am Overview of the sand battery: 1752 A DIY Sand Battery – The Theory, Practice And Use https://www.youtube.com/watch?v=Icai6OOIh2M Using the waste heat of a Diesel heater: DIY Vevor Diesel Stove with Free Energy Sand Battery https://youtu.be/x3VDCuyRJqw Sand heat storage fireplaceㅣCleaning the fireplace https://youtu.be/8XMOXftD_Ik Isec solar cooker build: https://www.youtube.com/watch?v=YX1SGK7gTg8 Someone who is doing a similar build as mine: https://youtube.com/shorts/I5CHVMwNlys My permies thread on my progress on sand battery: https://permies.com/t/206700/Sand-battery-thermal-mass-proto