OO

British scale 1:76 (4 mm to the foot) on the same 16.5 mm gauge as H0. The track is therefore slightly too narrow for the scale of the models.

Dutch

OO

German

OO

Example

Hornby OO track has curves from R1 at 371 mm (R604) to R4 at 571.5 mm (R8261), each piece 22.5°.

Hornby OO track: articles, geometry and the track planner

Articles using this term

• DC and AC: two-rail and three-rail explained
• How much space do you need for a Fleischmann piccolo layout?
• Sectional track or flexible track: which should you choose?
• The helix: gaining height in little space
• Gradients: how steep can a model train climb?
• Passing loop: how two trains pass each other
• Your layout will not close: a gap of a few millimetres
• An H0 layout on 240 x 120 cm: what fits?
• Locomotive stalls on the frog
• H0, N, TT or Z: which scale fits your space?
• Track spacing: how far apart do two tracks lie?
• Train derails at the turnout: causes and fixes
• An H0 layout on 180 x 90 cm: what fits?

See also

• HO
• Track gauge
• Scale