Mechanisms — eccentric rod

Recent Blogs

Reversing Gear diagram
Reversing Gear Mechanism: How It Works, Parts, Diagram and Stephenson Link Motion Explained
Learn how Stephenson link motion combines two eccentric inputs. Explore a simplified endpoint interpolation and its limits with an interactive calculator.
Simple Unhooking Device diagram
Simple Unhooking Device: Eccentric-Rod Hook Animation and Timing Calculator
See a bell crank lift an eccentric-rod hook off a rockshaft wrist pin. Use the separate calculator for constant-speed angle and time conversions.
Eccentric-rod Disengaging Device diagram
Eccentric-rod Disengaging Device Explained: How It Works, Parts, Diagram & Uses in Steam Valve Gear
Explore Brown 186 manual eccentric-rod release with a moving hand lever, an illustrative lifting cam and a calculator for gab lift and valve-pin clearance.
Disengaging Device (modification 3) diagram
Disengaging Device (modification 3) Mechanism Explained: Parts, Diagram, and How It Works
Explore a hand lever and link lifting an eccentric rod off its valve pin. Compare gab clearance, handle travel and ideal effort against an assumed...
Disengaging Device (modification 2) diagram
Manual Eccentric-Rod Disengaging Device: Brown188 Gab Release
Explore Brown 188 manual gab release with its hand pivot behind the valve pin. Compare lift, notch clearance and handle travel using an illustrative circular...
Disengaging Device (modification 1) diagram
Manual Eccentric-Rod Disengaging Device: Brown187 Gab Release
Explore a manual eccentric-rod gab release. Compare hand rotation, cam lift and pin clearance using an illustrative circular cam with the engine connection at rest.
Walschaerts Valve Gear diagram
Walschaerts Valve Gear: Linkage Animation and Harmonic Calculator
Explore the principal Walschaerts links and combine ideal eccentric and lead motion components. The calculation does not solve actual valve events or cutoff.