engineering

Land Tortoise

Land Tortoise 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 Land Tortoise rather than just read about it. In short: The Land Tortoise was a military transport ship built for service on Lake George, New York during the French and Indian War. The vessel, a radeau (raft), was built in 1758, and was intentionally sunk later that year with the intention of raising her for use in 1759.

Key takeaways

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

Reference excerpt

The Land Tortoise was a military transport ship built for service on Lake George, New York during the French and Indian War. The vessel, a radeau (raft), was built in 1758, and was intentionally sunk later that year with the intention of raising her for use in 1759. This did not happen, and the sunken vessel was discovered in 1990. Its site is a National Historic Landmark and a state-protected underwater preserve. It is believed to be the oldest intact warship in North America, and is the only surviving ship of its type. The site is accessible to the diving public with advanced diving skills.

Description and history The Land Tortoise was built in 1758, as part of a British effort to regain control of Lake George after the loss of Fort William Henry at the south end of the lake in 1757. She was built by provincial militia forces under the direction of Captain Samuel Cobb of Falmouth, now Portland, Maine. She was built in just over a month, launched, tested ("rowed well with 26 oars") and then two days later intentionally sunk by adding ballast with plans to re-float her in the spring of 1759. The location where she was sunk was too deep for recovery, and a new radeau, the Invincible, was built in 1759. The sunken vessel lies at a depth of about 105 feet (32 m) in the southern basin of Lake George, about 2 miles (3.2 km) north of Lake George Beach. It is about 50 feet (15 m) long, and has seven sides, varying in width between 16 and 18 feet (4.9 and 5.5 m). It has no keel, and was fitted with seven cannon ports. She was discovered in 1990, and was researched by a team of amateur divers guided by a professional archaeologist for four years. The site was listed on the National Register of Historic Places in 1995, and was designated a National Historic Landmark in 1998. The official National Historic Landmark plaque is located at the intersection of Beach Rd. and Fort George Rd (at the south end of Lake George).

References

Further reading Register of the officers and members of the Society of Colonial Wars in the State of Maine. Together with Samuel Cobb's Journal. Marks Printing House. Portland, Maine 1905 Report on the 1994 installation of the Land Tortoise Radeau, Lake George, New York The radeau Land Tortoise, North America's oldest intact warship : a learning book about a French & Indian War vessel In search of Lake George's colonial warships (VHS, 1991)

External links All Over Albany Archive: The Lost Radeau: a shipwreck in Lake George [1]

Worked examples

Example 1 — a first encounter with Land Tortoise

Start with the simplest possible case. Write down what Land Tortoise 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 Land Tortoise 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 Land Tortoise 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 Land Tortoise

In research: Land Tortoise 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 Land Tortoise 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: Land Tortoise is common in secondary-school and first-year university syllabi. It links to neighbouring topics 1758 ships, Archaeological sites on the National Register of Historic Places in New York (state), Buildings and structures in Warren County, New York, so understanding it makes those chapters shorter.
In everyday life: Look for Land Tortoise 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.

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How to study Land Tortoise in 20 minutes

Read the reference excerpt below once, without taking notes.
Close the page and write down what Land Tortoise 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 Land Tortoise out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is Land Tortoise in simple terms?

Why does Land Tortoise 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 Land Tortoise?

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 Land Tortoise.