https://stream.echo6.co/videos/watch/77a35e57-680b-40f7-9475-919a0766a4df 00:00 – Rock Shelf Strikes Again 01:54 – Setting Posts with Concrete 04:52 – Concrete Pour & Alignment 10:22 – Building the Sinclair 12:07 – Final Adjustments & Wrap-Up Two years later we’re back at the site with a rock shelf just 28–30 inches down. You can’t pound posts through it, and you can’t dig past it. So we built the new arrays with rebar-packed concrete footings, custom-cut posts, and laser alignment. Sinclair’s design works whether you drive posts, concrete them, or ballast them. If you’re dealing with rocky or unforgiving soil, here’s how to save time, stress, and equipment. 💬 Drop your questions below! #engineer775 #practicalpreppers #offgridpower #diysolar #SinclairMounts #groundmountsolar #solarinstallation #solarbuild #acCoupling #solarak #solarDIY #solarproject #sinclairgroundmounts 🔗 Links Shop Sinclair Ground Mounts: https://practicalpreppers.com/product-category/solar/sinclair-ground-mounts/ Book a Consultation: https://practicalpreppers.com/consultation/ Microgrid & Off-Grid Solutions: https://practicalpreppers.com/micro-grid-solutions/ Shop All Gear: https://practicalpreppers.com/ Follow along: 🐦 X https://twitter.com/practprepllc 📸 Instagram https://instagram.com/engineer775 📘 Facebook https://facebook.com/practicalpreppers Wed, 15 Apr 2026 11:47:17 GMT https://validator.w3.org/feed/docs/rss2.html PeerTube - https://stream.echo6.co https://stream.echo6.co/client/assets/images/icons/icon-512x512.png https://stream.echo6.co/videos/watch/77a35e57-680b-40f7-9475-919a0766a4df All rights reserved, unless otherwise specified in the terms specified at https://stream.echo6.co/about and potential licenses granted by each content's rightholder.