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  2. 1:50 scale - Wikipedia

    en.wikipedia.org/wiki/1:50_scale

    1:50 scale is a popular size for diecast models from European manufacturers such as Conrad, Tekno, NZG, WSI and LionToys. Typically they produce scale models of construction vehicles , tower cranes , trucks and buses. [ 1 ]

  3. List of scale model sizes - Wikipedia

    en.wikipedia.org/wiki/List_of_scale_model_sizes

    Used by Heller for model ships, and proposed by the Japanese to supersede 1:144 scale trains. Models which are commonly made in scale at 1:150 are commercial airliners - such as the Airbus A320, Boeing 777 all the way to the jumbo jets - the Airbus A380 & Boeing 747. [8] 1:148: 2.059 mm: Model railways (British N) British N model railroad scale ...

  4. Miniature model (gaming) - Wikipedia

    en.wikipedia.org/wiki/Miniature_model_(gaming)

    1:52 – 1:48: Heroic scale of 32 mm miniatures. 1:50 scale is a popular size for diecast models from European manufacturers. 1:48 is commonly known as quarter scale or American O scale. 40 mm: ≈7 mm: ≈1:45 – 1:43: Older figures from the 60s and tend to be thinner / shorter than new metal ones. Close to O scale model railroads. 54 mm ...

  5. Cylinder head - Wikipedia

    en.wikipedia.org/wiki/Cylinder_head

    This is also common for motorcycles, and such head/cylinder components are referred to as barrels. Some engines, particularly medium- and large-capacity diesel engines built for industrial, marine, power generation, and heavy traction purposes (large trucks, locomotives, heavy equipment, etc.) have individual cylinder heads for each cylinder ...

  6. Heron cylinder head - Wikipedia

    en.wikipedia.org/wiki/Heron_cylinder_head

    A Heron cylinder head, or simply Heron head, is a design for the combustion chambers of the cylinder head on an internal combustion piston engine, named for engine designer S. D. Heron. The head is machined flat, with recesses only for inlet and exhaust valves, spark plugs, injectors and so on.

  7. Long-bolt engine - Wikipedia

    en.wikipedia.org/wiki/Long-bolt_engine

    A long-bolt or through-bolt engine is an internal combustion piston engine where, following usual practice, the cylinder head is held down by bolts or studs.Conventionally the cylinder head is bolted to the cylinder block and the crankshaft main bearings are in turn bolted to the crankcase by separate bolts.

  8. List of rail transport modelling scale standards - Wikipedia

    en.wikipedia.org/wiki/List_of_rail_transport...

    The 37.5 mm length is not derived by a certain scale ratio. While HO scale is a 1:87 scale (3.5 mm to 1 foot), resulting in a 16.5 mm (0.65 in) gauge from real life prototype 1,435 mm (4 ft 8 + 1 ⁄ 2 in) standard gauge standard gauge. Conversely, modeling standard gauge in Lego trains would yield a scaling of (37.5:1435 =) 1:38.3.

  9. Corgi Classics - Wikipedia

    en.wikipedia.org/wiki/Corgi_Classics

    In 2006, Corgi began selling hand painted, spin-cast metal figures and soldiers in the Forward March series which complements their 1/32 and 1/50 scale lines of vehicles. In May 2008, international models and collectables group Hornby announced the acquisition of Corgi Classics Limited for £ 8.3 million.