A derailleur that follows the sprockets on Engineering Tools https://eng-tools.dev/core-ideas/c3-slant-derailleur/ Recent content in A derailleur that follows the sprockets on Engineering Tools Hugo en Tue, 20 Oct 2026 00:00:00 +0000 Keeping the guide pulley close to every sprocket — the case https://eng-tools.dev/core-ideas/c3-slant-derailleur/technical/ Tue, 20 Oct 2026 00:00:00 +0000 https://eng-tools.dev/core-ideas/c3-slant-derailleur/technical/ The function, the known way and its limit, the slanted parallelogram, why it works and where it stops, with the numbers of the model. The slant parallelogram derailleur — model https://eng-tools.dev/core-ideas/c3-slant-derailleur/math/ Tue, 20 Oct 2026 00:00:00 +0000 https://eng-tools.dev/core-ideas/c3-slant-derailleur/math/ The complete model of the slant parallelogram derailleur: geometry, derivation, setting, domain and explorer.