engineering

John Messer Barn

John Messer Barn is a engineering topic covered in the lgStudy science library. This page brings together a partial reference excerpt, illustrations, worked examples, real-world applications and a short study plan, so you can understand John Messer Barn rather than just read about it. In short: The John Messer Barn is a historic structure within the Great Smoky Mountains National Park in Sevier County, Tennessee, United States. Located along the Porters Creek Trail in the Greenbrier valley, it was constructed in 1875 by Pinkney Whaley.

Key takeaways

John Messer Barn belongs to engineering; place it in that map before memorising details.
Learn the definition first, then one example that makes the definition concrete.
Connect John Messer Barn to a quantity you can measure, compute or draw — that is where exam questions come from.
Reproduce the core statement of John Messer Barn from memory before moving on to harder problems.

Reference excerpt

The John Messer Barn is a historic structure within the Great Smoky Mountains National Park in Sevier County, Tennessee, United States. Located along the Porters Creek Trail in the Greenbrier valley, it was constructed in 1875 by Pinkney Whaley. The Whaleys later sold their farm to John H. Messer, who was married to Pinkney's cousin, Lucy. In the 1930s, the Smoky Mountain Hiking Club, which constructed the Smoky Mountain Hiking Club Cabin nearby, leased the barn from the National Park Service. The barn was added to the National Register of Historic Places in 1976 and is the last surviving structure from the pre-park Greenbrier Cove community. This barn should not be confused with the Messer Barn in Cataloochee, which was built by John's cousin, Will Messer. The Messer Barn is a type of double-cantilever barn unique to East Tennessee and rarely found outside Sevier, Blount, and Cocke counties. The barn is one story with a hayloft, and measures 25 feet (7.6 m) by 45 feet (14 m). The gabled roof, as with all double-cantilevers, has considerable overhang, allowing livestock shelter in inclement weather. Unlike the reconstructed double-cantilever barn at the Tipton Place in Cades Cove, the Messer Barn's overhang is supported by poles along the outer edge. The barn's foundation is dry-stacked field stone and is higher on one end to compensate for the hill slope. The barn interior consists of two pens, each divided into two stalls, with a "drive-through" in the middle. While the barn walls are built of wooden boards, the pens are built of hewn logs. The barn's hayloft consists of poles set on two-foot centers.

References

Illustrations

Worked examples

Example 1 — a first encounter with John Messer Barn

Start with the simplest possible case. Write down what John Messer Barn claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In engineering, the smallest case is usually a single object, a single equation or a single measurement. Check that every symbol or term in your sentence has a meaning in that case.

Example 2 — changing one variable

Take the situation from Example 1 and change exactly one quantity: double it, halve it, or set it to zero. Predict what should happen to John Messer Barn before you calculate. Comparing your prediction with the result is the fastest way to find out whether you understand the idea or only the words.

Example 3 — an exam-style question

Typical questions about John Messer Barn ask you to (a) state it precisely, (b) apply it to given data, and (c) explain a limitation. Practise writing all three answers in under five minutes; the third part is what separates a full-mark answer from an average one.

Applications of John Messer Barn

In research: John Messer Barn appears in engineering research whenever the underlying quantities have to be modelled precisely. Papers usually cite it as a starting assumption and then explore where it breaks down.
In technology and industry: Engineering practice reuses John Messer Barn in design rules, simulations and safety margins. Knowing the idea lets you read a specification sheet and understand why the numbers look the way they do.
In the classroom: John Messer Barn is common in secondary-school and first-year university syllabi. It links to neighbouring topics 1875 establishments in Tennessee, Barns on the National Register of Historic Places in Tennessee, Buildings and structures completed in 1875, so understanding it makes those chapters shorter.
In everyday life: Look for John Messer Barn outside the textbook — in sport, cooking, traffic, electronics or the sky above you. An example you found yourself is remembered far longer than one you were given.

Affiliate

Preply — study more efficiently by working with a personal tutor. 50% off.

How to study John Messer Barn in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what John Messer Barn means in your own words.
Compare your version with the excerpt and mark what you missed.
Work through the three examples above with pen and paper.
Explain John Messer Barn out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is John Messer Barn in simple terms?

Why does John Messer Barn matter?

Because it connects several engineering ideas at once: it gives you a definition you can apply, a quantity you can calculate, and a way to check whether a result is plausible.

How should I study John Messer Barn?

Read the excerpt, restate it from memory, then work through the examples and applications listed on this page. The five-step study plan above takes about twenty minutes.

What does this page cover?

It gives you a compact reference excerpt plus original lgStudy explanations, examples, applications and study material on John Messer Barn.