Marble Machine & Engine

£489.00
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With its brass flywheels and belt-drive, there’s something of the Victorian fairground about this Marble Machine. Irresistibly fascinating, it features a cascade of 8 marbles that go spiralling down the ‘tornado loop’ before being mechanically lifted back to the top again. It’s powered by a fully-functioning steam engine, but not the usual type. Named after its inventor, the Stirling engine uses an external heat source to cause the inert air in the cylinder to expand and thus drive the piston. Side-lined for most of the 19th century - despite its power and efficiency - the Stirling is now enjoying something of a revival. Which would have pleased its creator - the Rev. Dr. Robert Stirling. A minister in the Church of Scotland, he’d have appreciated that his engine - like the Almighty - moves in a mysterious way its wonders to perform. Kit-Form (ref:94919) If you’d like to learn more about the Stirling Engine why not make one yourself? Or at least assemble one from this engrossing kit. Comprising 156 individual parts (Engine 56: Marble Machine 100 parts) in precision-engineered stainless steel and brass, it’s a truly fascinating model-making challenge. The base of the Marble Machine and the Engine each measure 6x4".

Brass

Brass - an alloy of copper and zinc - is easy to work with, can be polished to a gleaming shine, and it has a high degree of corrosion resistance, making it the traditional choice of metal for use in harsh marine environments.

Stainless Steel

Stainless, or Inox, Steel is famed for its ability to resist corrosion and oxidisation, making it supremely suitable for outdoor or marine applications where items need to maintain their function or gleaming appearance in a harsh environment.
Questions & Answers (1)
Stock No. 94920
By
20 Apr 2017
what fuel is used for the engine?
Methylated spirits are used in this engine.
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