Fluidyne output-column tee, 1/2 in — dimension sheet Source: Xem Studio, https://xemstudio.com/objects/fluidyne-output-tee/ (CC BY 4.0) Basis: Socket at 1/2 in copper tube OD Ø15.88; side port at the 4 mm OD tube Catalog version: 2026-10-20 Sizes: see table below - A Ø4 side port 20 mm up, 12 deep, takes a 4 mm OD tube (fit: press). The pressure swing pumps the water in this column. parameter value block 24 × 24 × 40 bore Ø15.88 through side port Ø4 at 20 Files elsewhere (not hosted by Xem Studio; license as stated by the publisher): - Wikipedia: Fluidyne engine — web — CC BY-SA 4.0 (text) — https://en.wikipedia.org/wiki/Fluidyne - C. D. West: Liquid Piston Stirling Engines (1983) — book, reports (OSTI) — reference / US Gov reports public domain [verify license at link] — https://www.osti.gov/search/semantic:fluidyne - Long Earth Society: Engine builds — web, video — LES site — https://longearthsociety.com/engineering/ Free files (CC BY 4.0, Xem Studio; STEP + STL, 1 parts): https://xemstudio.com/files/hardware/fluidyne-output-tee/index.json API: https://xemstudio.com/api/geometry?object=fluidyne-output-tee