What does this schematic show?

It is an unlabeled color cross-section of an engine cylinder assembly showing a central fuel injector with spray cone, combustion chamber, a piston with ring grooves, a wrist pin, a long connecting rod, an elongated secondary piston/skirt element, cylinder liner, block casting, and a lower sleeve section.

Are there any part numbers, torque specs, or dimensions in this diagram?

No. The image contains no text at all — no labels, legends, part numbers, dimensions, or specifications.

Does this document identify a specific vehicle or engine model?

No. Nothing in the image identifies a make, model, year, or engine family; identification is only suggested by the filename (IPCengine2011fig20a).

What is unusual about the engine design shown?

The cutaway depicts a very long connecting rod passing through what appears to be a second, elongated piston or skirt structure below the main piston — an unconventional cylinder architecture compared to a standard single-piston layout.

Home/ Registry/ Ford/ Fairlane/ 1968-1969/ 1969 Ford Fairlane/ Photo supermotors.net/registry/media/895798

Engine Cylinder Cross-Section Schematic - Piston, Injector & Connecting Rod (Fig 20a)

3D CAD cross-section of a single engine cylinder showing piston, rod and combustion chamber

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CAD cross-section schematic of one engine cylinder, piston and connecting rod.

AI caption November 2011 · Photo 365 of 465

This document is a purely graphical, unlabeled color schematic (CAD-style cross-section) of an internal combustion engine cylinder assembly. It appears to be figure 20a from a 2011 engine-related source, based on the filename (IPCengine2011fig20a.jpg), and is part of a larger album of similar engine figures, including several referencing Chatterton GB988378 'hyperexpansion' patent drawings and 'some unusual engines' pages. The cutaway shows, from top to bottom: a centrally mounted fuel injector with a depicted spray cone entering the combustion chamber, the cylinder head with a shaped combustion bowl, a piston (green) with visible ring grooves and rings, a wrist pin joining a long connecting rod (teal) that passes downward through what appears to be an elongated secondary piston or skirt structure (magenta), all housed within a cylinder liner and engine block casting (gray), with a lower sleeve or guide section (gold). There is no text, legend, dimensioning, or part numbering anywhere in the image, so a reader can learn the general architecture of this unusual long-rod/double-piston cylinder arrangement visually, but no specifications, torque values, or applicability data can be extracted. The image does not identify any vehicle make, model, or year.

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Frequently asked questions

What does this schematic show?: It is an unlabeled color cross-section of an engine cylinder assembly showing a central fuel injector with spray cone, combustion chamber, a piston with ring grooves, a wrist pin, a long connecting rod, an elongated secondary piston/skirt element, cylinder liner, block casting, and a lower sleeve section.
Are there any part numbers, torque specs, or dimensions in this diagram?: No. The image contains no text at all — no labels, legends, part numbers, dimensions, or specifications.
Does this document identify a specific vehicle or engine model?: No. Nothing in the image identifies a make, model, year, or engine family; identification is only suggested by the filename (IPCengine2011fig20a).
What is unusual about the engine design shown?: The cutaway depicts a very long connecting rod passing through what appears to be a second, elongated piston or skirt structure below the main piston — an unconventional cylinder architecture compared to a standard single-piston layout.