The Stuart 5A is a powerful engine from which you would expect many years of hard work. The engine is capable of producing 1 1/2 bhp at 100 psi pressure whilst running at 800 rpm. Its reputation for hard work has led it into many demanding situations for example driving dynamos, pumps, compressors & other machinery. An optional discwheel, feed pump & reverse gear are available which would enable you to use this model as a marine engine. Please note that we only supply this engine as a set of castings & drawings, there are no materials or fixings in the kit. Please remember our sets of castings require the use of a lathe & milling machine to turn them into a working steam engine. Engine Description: Stuart 5A Castings & Drawings only. Specifications:
Height: 15 Inches. Flywheel Diameter: 7 1/2 Inches. Cylinder Bore: 2 1/4 Inch Diameter. Cylinder Stroke: 2 Inches. Contents: Cast Iron: Boxbed, soleplate, standard, cylinder, valve chest & cover, top & bottom cylinder covers, piston, eccentric sheave, bearing caps, flywheel. Gunmetal: Slide valve, eccentric strap, connecting rod bearings, glands, crankshaft bearings. Steel: Connecting rod, eccentric rod, piston rod & crosshead. Sundries: Detailed drawings, cylinder lagging. Manufacturer: Stuart Models Model / Part No: 5A Unmachined Set of Castings (34-50-71161)
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The Stuart 6A is the largest engine in our range, being capable of producing Approx. 4 bhp at 120 psi whilst running at 750 rpm. This is enough power to drive an eighteen to twenty two foot boat. This engine is fitted with a boiler feed pump as standard to keep the water supply constant. A condenser is also fitted together with an Edwards style pump to keep it clear of condensate. The Stuart 6A is only supplied as a full set of castings & drawings, we do not supply any fixings or materials. Please remember our sets of castings require the use of a lathe & milling machine to turn them into a working steam engine. Engine Description: Stuart 6A Castings & Drawings only. Specifications:
Height: 20 Inches.
Width: 14 7/8 Inches. Length: 17 5/8 Inches. Cylinder Bore: 2 1/2 Inches & 4 Inches. Cylinder Stroke: 3 Inches. Contents: Cast Iron: Soleplate, standards, cylinder block, valve chest & covers, top & bottom cylinder covers, pistons, eccentric sheaves, main bearing caps, balance weights, slide valves, discwheel. Gunmetal: Eccentric straps, glands, flanges, connecting rod bearings, crankshaft bearings, crosshead pin bearings, valve gear anchor trunion, air pump drive trunion, air pump inlet chamber, air pump cylinder, air pump gl&, air pump delivery valve chamber, boiler feed pump body, valve spindle guide. Sundries: Detailed drawings.

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The Stuart 7A can be completed using only a small lathe making it suitable for the beginner. The book Building a Vertical Steam Engine will be very useful for anyone making this model. Please note that this picture shows the optional Reverse Gear fitted to the model, this is available as an optional accessory. Please remember our sets of castings require the use of a lathe & milling machine to turn them into a working steam engine. Engine Description: Stuart 7A Set of Unmachined Castings, Materials, Fixings & Drawings. Specifications:
Height: 7 1/2 Inches. Flywheel Diameter: 3 1/2 Inches. Cylinder Bore: 1 Inch Diameter. Cylinder Stroke: 1 Inch. Contents: Cast Iron: Boxbed & soleplate, standard, cylinder, valve chest & cover, top & bottom cylinder covers, piston, eccentric sheave, flywheel. Gunmetal: Slide valve, eccentric strap, connecting rod, valve operating block, glands, crosshead, crankshaft bearings. Steel: Crankshaft, piston & valve rods, all materials for valve gear. Sundries: Detailed drawings, cylinder lagging, gasket material, piston rings, gland packing, fixings pack. Manufacturer: Stuart Models Model / Part No: 7A Unmachined Set of Castings (34-50-71170)
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The Stuart Beam is a relatively simple engine to construct. The use of Watts parallel motion makes this engine fascinating to watch, particularly at slow speeds. As with all Stuart Models machined kits the Stuart Beam is supplied complete with a hand numbered certificate of authentication. Engine Description: Stuart Beam Machined Kit Specifications: Length: 13 Inches. Flywheel Diameter: 7 Inches Diameter. Bore: 1 Inch Diameter. Stroke: 2 Inches. Contents: Cast Iron: Bedplate, column, beam, pedestal, pulley, crank, cylinder, valve chest & cover, top & bottom cylinder covers, piston, flywheel. Brass: Slide valve, eccentric strap, valve opperating block, glands, conrod bush, crankshaft bearings, beam bearings, entablature bearings, valve gear bearings. Steel: Crankshaft, connecting rod, eccentric sheave, eccentric rod, clevis, crankpin, beam shaft, entablatures, piston & valve rods, valve gear & parallel motion. Sundries: Detailed drawings, gaskets, viton "O" ring, gland packing, fixing pack. Manufacturer: Stuart Models Model / Part No: Beam Machined Kits (34-50-71391) ...

The Stuart Beam is a relatively simple engine to construct. The use of Watts parallel motion makes this engine fascinating to watch, particularly at slow speeds. As with all Stuart Models finished engines it is supplied ready to run complete with a hand numbered certificate of authentication. Engine Description: Stuart Beam Finished Engine Specifications: Length: 13 Inches. Flywheel Diameter: 7 Inches. Bore: 1 Inch Diameter. Stroke: 2 Inches. Contents: Cast Iron: Bedplate, column, beam, pedestal, pulley, crank, cylinder, valve chest & cover, top & bottom cylinder covers, piston, flywheel. Brass: Slide valve, eccentric strap, valve opperating block, glands, conrod bush, crankshaft bearings, beam bearings, entablature bearings, valve gear bearings. Steel: Crankshaft, connecting rod, eccentric sheave, eccentric rod, clevis, crankpin, beam shaft, entablatures, piston & valve rods, valve gear & parallel motion. Sundries: Detailed drawings, gaskets, viton "O" ring, gland packing, fixing pack. Manufacturer: Stuart Models Model / Part No: Beam Ready to Run Models (34-50-71392) ...

The Compound & Twin Launch are, with the exception of the cylinders, essentially the same engine. The advantage of the Compound is that the steam consumption is much more efficient than that of the Twin Launch. This model is supplied as a set of castings complete with reverse gear, piston rings, fixings & fittings & will power between a four & a half & six foot boat. Engine Description: Stuart Compound Launch Set of Unmachined Castings, Fixings & Drawings. Specifications:
Height: 5 1/2 Inches. Discwheel Diameter: 1 3/4 Inch. Cylinder Bores: 3/4 Inch & 1 1/4 Inch. Cylinder Stroke: 7/8 Inch. Contents: Cast Iron: Cylinder casting, valve chests & covers, top & bottom cylinder covers, pistons, eccentric sheaves, discwheel. Gunmetal: Soleplate, slider bracket, connecting rods, eccentric rods, slide valves, flanges, glands, crossheads, crankshaft bearings. Sundries: Detailed drawings, cylinder lagging, gasket material, piston rings, gland packing, fixings pack. Manufacturer: Stuart Models Model / Part No: Compound Launch Unmachined Set of Castings (34-50-71385)
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The Stuart D10 is well suited to all kinds of stationary & marine work, being able to reach speeds of up to 2000 rpm. This model must be seen to be fully appreciated. It is both elegant & well designed in addition to being thoroughly practical. As with all Stuart Models machined kits it is supplied complete with a hand numbered certificate of authentication. Engine Description: Stuart D10 Machined Kit Specifications:
Height: 6 Inches. Discwheel Diameter: 1 5/8 inch Diameter. Bore: 3/4 Inch. Contents: Cast Iron: Boxbed, soleplate, standards, cylinders, valve chests & covers, top & bottom cylinder covers, flywheel. Brass: Slide valves, pistons, connecting rods, eccentric rods, valve operating blocks, glands, crossheads, crankshaft bearings. Steel: Crankshaft, crankwebbs, eccentric sheaves, crosshead pins, piston & valve rods. Sundries: Detailed drawings, gaskets, cylinder lagging, gland packing, fixings pack. Manufacturer: Stuart Models Model / Part No: D10 Machined Kits (34-50-71205)
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The Stuart D10 is well suited to all kinds of stationary & marine work, being able to reach speeds of up to 2000 rpm. This model must be seen to be fully appreciated. It is both elegant & well designed in addition to being thoroughly practical. As with all Stuart Models finished engines it is supplied ready to run complete with a hand numbered certificate of authentication. Engine Description: Stuart D10 Ready to Run Engine. Specifications:
Height: 6 Inches. Discwheel: 1 5/8 Inch Diameter. Bore: 3/4 Inch. Stroke: 3/4 Inch. Contents: Cast Iron: Boxbed, soleplate, standards, cylinders, valve chests & covers, top & bottom cylinder covers, flywheel. Brass: Slide valves, pistons, connecting rods, eccentric rods, valve operating blocks, glands, crossheads, crankshaft bearings. Steel: Crankshaft, crankwebbs, eccentric sheaves, crosshead pins, piston & valve rods. Sundries: Detailed drawings, gaskets, cylinder lagging, gland packing, fixings pack. Manufacturer: Stuart Models Model / Part No: D10 Ready to Run Models (34-50-71209)
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The Stuart D10 is well suited to all kinds of stationary & marine work, being able to reach speeds of up to 2000 rpm. This model must be seen to be fully appreciated. It is both elegant & well designed in addition to being thoroughly practical. To assist the beginner the book ? Building a Vertical Steam Engine. is available. It describes in detail the machining of all the components, & is full of advice for the more challenging operations. Please remember our sets of castings require the use of a lathe & milling machine to turn them into a working steam engine. Engine Description: Stuart D10 Set of Unmachined Castings, Materials, Fixings & Drawings Specifications:

Height: 6 Inches. Flywheel Diameter: 3 Inches Diameter. Bore: 3/4 Inch Diameter. Stroke: 3/4 Inch. Contents: Cast Iron: Boxbed, soleplate, standards, cylinders, valve chests & covers, top & bottom cylinder covers, flywheel. Brass: Slide valves, pistons, connecting rods, eccentric rods, valve operating blocks, glands, crossheads, crankshaft bearings. Steel: Crankshaft, crankwebbs, eccentric sheaves, crosshead pins, piston & valve rods. Sundries: Detailed drawings, gaskets, cylinder lagging, gland packing, fixings pack. Manufacturer: Stuart Models Model / Part No: D10 Unmachined Set of Castings (34-50-71204)

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The Stuart Engineering Lathe has been carefully designed by taking the most interesting elements from lathes in use at the end of the 19th century & combining them to produce an attractive model. Please remember that whilst the gears are provided pre cut, to aid the building of this model, access to a lathe & milling machine is necessary to build this model from a set of castings. Engine Description: Stuart Engineering Lathe set of castings materials, finished gears, fixings & drawings. Specifications: Length: 8 1/2 inches.
Height: 5 inches.
Width: 3 3/4 inches. Contents: Cast Iron: Bed, tailstock end base, head stock end base, head stock, pulley. Brass: Bushes. Steel: Spindles, spindle nuts, face plate, four jaw chuck assembly, tool post assembly, cross slide assembly, tail stock assembly, rolling centre, handles handwheels. Sundries: Detailed drawings, fixings pack, finished gears.

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