M30 3.7CC Mini Retro Vertical Double-cylinder Reciprocating Double-acting Steam Engine Model Toys with Speed Reducer
Features:
.The exquisite and compact steam model with flyball speed reducer is easy to install and play with in your hands, making you hardly tear yourself away from it. .Mainly made of brass and processed by CNC machining, the premium quality model boasts rich-in-luster, delicate and aesthetic surface for fine production, sophisticated technology and smooth operation. The main shaft sleeve adopts abrasion-resistant beryllium copper with high hardness to ensure long-term running. .Easy to operate without fussiness, the installed steam engine with boiler allows the users to intuitively feel the charm of the steam engine. .Suitable for steam engine enthusiasts, the engine model with considerable operability is able to exercise hands-on ability and teach children or students about the operation of steam engines. .Walk through the working principle of the steam model more intuitively through operating it, which boasts an extremely valuable collection for both production technology and appearance. .Instructions: 1. The steam engine is a reciprocating power machine that converts the energy of steam into mechanical work. 2. Lubricating oil should be dropped at each friction point of the nose before operation. Add water into the boiler and heat it until it boils. Then gently twirl the flywheel until it runs automatically. (If getting stuck, maybe 1, the pressure is insufficient; 2, cylinder and piston lubrication are not enough; 3, the cylinder and piston running is not in place.) 3. The boiler is not included, please prepare or purchase by yourself. You can also consult us to buy matching boilers.
Specifications:
.Material: Copper .Type: Vertical Double-cylinder Double-acting Steam Engine Model .Displacement: 3.7CC .Recommended Air Pressure: 0.4MPa-0.6MPa .Bore: 14mm .Stroke: 12mm .Air Inlet Thread: 1/4-40TPI .Product Dimensions: 11 x 9 x 10cm .Product Weight: 1200g .Package Dimensions: 15 x 13 x 15cm .Package Weight: 1400g .Packing: Carton Box .Ages: 14+
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I bought this engine within the past month. It was shipped quickly and received within a week
It is well made and generally a nice engine. Runs smoothly and has good torque.
I removed the speed reducer. I did not think it was very effective.
Some points to note:
+ there is a lot of loose play in the valve gear shunt. I fixed this by inserting two 2mm washers (total of 8) on the shunts (see picture below). This removed the loose play and reduced the valve gear chatter/ vibration.
+ the valve gear, the slider, the shunts and I think the piston connecting rods are made from soft cast brass. It bends easily. It would be nice if spares are available (but made with harder material) as the soft brass will wear out with regular use (especially if not oiled frequently with heavy steam oil when running).
+ I replaced the lubricator (nothing wrong with the original lubricator).
+ I painted the engine (see pictures). The engine looked too 'brassy' and made it look cheap (especially the cast brass valve gear).
+ Comparing this engine to the Kacio LS2, the Kacio is better quality but almost 2x the price (I bought this engine from another vendor).
A
Albert (Belmont, US)
Nice Engine
adding running video to my earlier review "Nice Engine"
I bought this engine within the past month. It was shipped quickly and received within a week
It is well made and generally a nice engine. Runs smoothly and has good torque.
I removed the speed reducer. I did not think it was very effective.
Some points to note:
+ there is a lot of loose play in the valve gear shunt. I fixed this by inserting two 2mm washers (total of 8) on the shunts (see picture below). This removed the loose play and reduced the valve gear chatter/ vibration.
+ the valve gear, the slider, the shunts and I think the piston connecting rods are made from soft cast brass. It bends easily. It would be nice if spares are available (but made with harder material) as the soft brass will wear out with regular use (especially if not oiled frequently with heavy steam oil when running).
+ I replaced the lubricator (nothing wrong with the original lubricator).
+ I painted the engine (see pictures). The engine looked too 'brassy' and made it look cheap (especially the cast brass valve gear).
+ Comparing this engine to the Kacio LS2, the Kacio is better quality but almost 2x the price (I bought this engine from another vendor).
A
Albert (Belmont, US)
Nice Engine
adding running video to my earlier review "Nice Engine"
