Track system · HO scale
Piko A: track pieces, radii and turnouts
Piko A is a two-rail track system without roadbed for HO scale.
The Trackplanner catalogue lists 28 pieces: 9 straights, 7 curves, 1 flex track, 2 turnouts, 4 curved turnouts, 1 Y turnout, 1 three-way turnout, 2 crossings and 1 double slip. The curves come in 5 radii from 360 to 908 mm.
Key facts
| Scale | HO scale |
|---|---|
| Rail system | two-rail |
| Roadbed | no roadbed |
| Status | current — in production and in the shops |
| Turnout motor | sold separately: drive 55271 |
| Pieces in the catalogue | 28 |
| Radii | 5 · 360–908 mm |
| Straight lengths | 61.9 · 107.3 · 115.5 · 119.5 · 230.9 · 239.1 mm |
| Turnout angles | 15° |
Pieces by type
| Type | Count |
|---|---|
| Straights | 9 |
| Curves | 7 |
| Flex tracks | 1 |
| Turnouts | 2 |
| Curved turnouts | 4 |
| Y turnouts | 1 |
| Three-way turnouts | 1 |
| Crossings | 2 |
| Double slips | 1 |
Radii
| Radius | Name | Angle | Articles |
|---|---|---|---|
| 360 mm | R1 | 30° · 7.5° | 55211 · 55251 |
| 421.9 mm | R2 | 30° · 7.5° | 55212 · 55252 |
| 483.8 mm | R3 | 30° | 55213 |
| 545.6 mm | R4 | 30° | 55214 |
| 908 mm | R9 | 15° | 55219 |
Helix kits for this system
These kits have a radius that matches one of the system’s curves (within 5 mm). The helix assistant in Trackplanner checks whether the clearance is enough for your rolling stock.
Show all 52 matching kits
| Kit | Fits | Gradient | Clearance | Buy |
|---|---|---|---|---|
| Gleiswendel-Profi (HaHoTec Holztechnik) H0 helix, single track, radius 356.5 mm, laser-cut plywood supports (Fleischmann Profi-Gleise R1) | for R1, 36.0 cm | 3.76 % | — | From the maker |
| Gleiswendel-Profi (HaHoTec Holztechnik) H0 helix, single track, radius 356.5 mm, M6 threaded-rod supports (Fleischmann Profi-Gleis R1) | for R1, 36.0 cm | 3.98 % | — | From the maker |
| Gleiswendel-Profi (HaHoTec Holztechnik) H0 helix, double track, radius 356.5/420 mm, laser-cut plywood supports (Fleischmann Profi-Gleise R1/R2) | for R1, 36.0 cm and R2, 42.19 cm | 3.76 % inner, 3.21 % outer | — | From the maker |
| Gleiswendel-Profi (HaHoTec Holztechnik) H0 helix, double track, radius 356.5/420 mm, M6 threaded-rod supports (Fleischmann Profi-Gleise R1/R2) | for R1, 36.0 cm and R2, 42.19 cm | 3.98 % inner, 3.40 % outer | — | From the maker |
| Gleiswendel-Profi (HaHoTec Holztechnik) H0 helix, single track, radius 358 mm, laser-cut plywood supports (Roco Line Gleise R2) | for R1, 36.0 cm | 3.76 % | — | From the maker |
| Gleiswendel-Profi (HaHoTec Holztechnik) H0 helix, single track, radius 358 mm, M6 threaded-rod supports (Roco Line Gleise R2) | for R1, 36.0 cm | 3.98 % | — | From the maker |
| Gleiswendel-Profi (HaHoTec Holztechnik) H0 helix, double track, radius 358/419.6 mm, laser-cut plywood supports (Roco Line Gleise R2/R3) | for R1, 36.0 cm and R2, 42.19 cm | 3.76 % inner, 3.21 % outer | — | From the maker |
| Gleiswendel-Profi (HaHoTec Holztechnik) H0 helix, double track, radius 358/419.6 mm, M6 threaded-rod supports (Roco Line Gleise R2/R3) | for R1, 36.0 cm and R2, 42.19 cm | 3.98 % inner, 3.40 % outer | — | From the maker |
| Gleiswendel-Profi (HaHoTec Holztechnik) H0 helix, double track, radius 358/419.6 mm, M6 threaded rods with metal connectors (Roco Line Gleise R2/R3) | for R1, 36.0 cm and R2, 42.19 cm | 3.76 % inner, 3.21 % outer | — | From the maker |
| Gleiswendel-Profi (HaHoTec Holztechnik) H0 helix, single track, radius 360 mm, laser-cut plywood supports (Märklin C-Gleise R1) | for R1, 36.0 cm | 3.76 % | — | From the maker |
| Gleiswendel-Profi (HaHoTec Holztechnik) H0 helix, single track, radius 360 mm, laser-cut plywood supports (Märklin C-Gleise R1) | for R1, 36.0 cm | 3.76 % | — | From the maker |
| Gleiswendel-Profi (HaHoTec Holztechnik) H0 helix, single track, radius 360 mm, laser-cut plywood supports (Märklin C-Gleise R1) | for R1, 36.0 cm | 2.87 % | — | From the maker |
| Gleiswendel-Profi (HaHoTec Holztechnik) H0 helix, single track, radius 360 mm, M6 threaded-rod supports (Märklin C-Gleis R1) | for R1, 36.0 cm | 3.98 % | — | From the maker |
| Gleiswendel-Profi (HaHoTec Holztechnik) H0 helix, single track, radius 360 mm, laser-cut plywood supports (Märklin K-Gleis Normalkreis I) | for R1, 36.0 cm | 3.76 % | — | From the maker |
| Gleiswendel-Profi (HaHoTec Holztechnik) H0 helix, single track, radius 360 mm, M6 threaded-rod supports (Märklin Normalkreis I) | for R1, 36.0 cm | 3.98 % | — | From the maker |
| Gleiswendel-Profi (HaHoTec Holztechnik) H0 helix, single track, radius 360 mm, laser-cut plywood supports (Piko A Gleise R1) | for R1, 36.0 cm | 3.76 % | — | From the maker |
| Gleiswendel-Profi (HaHoTec Holztechnik) H0 helix, single track, radius 360 mm, M6 threaded-rod supports (Piko A Gleise R1) | for R1, 36.0 cm | 3.98 % | — | From the maker |
| Gleiswendel-Profi (HaHoTec Holztechnik) H0 helix, double track, radius 360/424.6 mm, laser-cut plywood supports (Märklin K-Gleise R1/R2) | for R1, 36.0 cm and R2, 42.19 cm | 3.76 % inner, 3.21 % outer | — | From the maker |
| Gleiswendel-Profi (HaHoTec Holztechnik) H0 helix, double track, radius 360/424.6 mm, M6 threaded-rod supports (Märklin K-Gleis R1/R2) | for R1, 36.0 cm and R2, 42.19 cm | 3.98 % inner, 3.40 % outer | — | From the maker |
| Gleiswendel-Profi (HaHoTec Holztechnik) H0 helix, double track, radius 360/424.6 mm, M6 threaded rods with metal connectors (Märklin K-Gleis R1/R2) | for R1, 36.0 cm and R2, 42.19 cm | 3.98 % inner, 3.40 % outer | — | From the maker |
| Gleiswendel-Profi (HaHoTec Holztechnik) H0 helix, double track, radius 360/422 mm, laser-cut plywood supports (Piko A-Gleise R1/R2) | for R1, 36.0 cm and R2, 42.19 cm | 3.76 % inner, 3.21 % outer | — | From the maker |
| Gleiswendel-Profi (HaHoTec Holztechnik) H0 helix, double track, radius 360/422 mm, M6 threaded-rod supports (Piko A-Gleise R1/R2) | for R1, 36.0 cm and R2, 42.19 cm | 3.98 % inner, 3.40 % outer | — | From the maker |
| Gleiswendel-Profi (HaHoTec Holztechnik) H0 helix, single track, radius 419.6 mm, laser-cut plywood supports (Roco Line Gleise R3) | for R2, 42.19 cm | 3.21 % | — | From the maker |
| Gleiswendel-Profi (HaHoTec Holztechnik) H0 helix, single track, radius 419.6 mm, M6 threaded-rod supports (Roco Line-Gleise R3) | for R2, 42.19 cm | 3.40 % | — | From the maker |
| Gleiswendel-Profi (HaHoTec Holztechnik) H0 helix, double track, radius 419.6/481.2 mm, M6 threaded-rod supports (Roco Line Gleis R3/R4) | for R2, 42.19 cm and R3, 48.38 cm | 3.40 % inner, 2.96 % outer | — | From the maker |
| Gleiswendel-Profi (HaHoTec Holztechnik) H0 helix, double track, radius 419.6/481.2 mm, laser-cut plywood supports (Roco Line Gleis R3/R4) | for R2, 42.19 cm and R3, 48.38 cm | 3.21 % inner, 2.80 % outer | — | From the maker |
| Gleiswendel-Profi (HaHoTec Holztechnik) H0 helix, single track, radius 420 mm, laser-cut plywood supports (Fleischmann Profi-Gleise R2) | for R2, 42.19 cm | 3.21 % | — | From the maker |
| Gleiswendel-Profi (HaHoTec Holztechnik) H0 helix, single track, radius 420 mm, M6 threaded-rod supports (Fleischmann Profi-Gleise R2) | for R2, 42.19 cm | 3.40 % | — | From the maker |
| Gleiswendel-Profi (HaHoTec Holztechnik) H0 helix, double track, radius 420/483.5 mm, M6 threaded-rod supports (Fleischmann Profi Gleis R2/R3) | for R2, 42.19 cm and R3, 48.38 cm | 3.40 % inner, 2.96 % outer | — | From the maker |
| Gleiswendel-Profi (HaHoTec Holztechnik) H0 helix, double track, radius 420/483.5 mm, laser-cut plywood supports (Fleischmann Profi Gleis R2/R3) | for R2, 42.19 cm and R3, 48.38 cm | 3.21 % inner, 2.80 % outer | — | From the maker |
| Gleiswendel-Profi (HaHoTec Holztechnik) H0 helix, single track, radius 422 mm, laser-cut plywood supports (Piko A-Gleise R2) | for R2, 42.19 cm | 3.21 % | — | From the maker |
| Gleiswendel-Profi (HaHoTec Holztechnik) H0 helix, single track, radius 422 mm, M6 threaded-rod supports (Piko A-Gleise R2) | for R2, 42.19 cm | 3.40 % | — | From the maker |
| Gleiswendel-Profi (HaHoTec Holztechnik) H0 helix, double track, radius 422/484 mm, M6 threaded-rod supports (Märklin Piko A-Gleise R2/R3) | for R2, 42.19 cm and R3, 48.38 cm | 3.40 % inner, 2.96 % outer | — | From the maker |
| Gleiswendel-Profi (HaHoTec Holztechnik) H0 helix, double track, radius 422/484 mm, laser-cut plywood supports (Piko A-Gleise R2/R3) | for R2, 42.19 cm and R3, 48.38 cm | 3.21 % inner, 2.80 % outer | — | From the maker |
| Gleiswendel-Profi (HaHoTec Holztechnik) H0 helix, single track, radius 424.6 mm, laser-cut plywood supports (Märklin K-Gleise R2) | for R2, 42.19 cm | 3.21 % | — | From the maker |
| Gleiswendel-Profi (HaHoTec Holztechnik) H0 helix, single track, radius 424.6 mm, M6 threaded-rod supports (Märklin K-Gleise R2) | for R2, 42.19 cm | 3.40 % | — | From the maker |
| Gleiswendel-Profi (HaHoTec Holztechnik) H0 helix, double track, radius 481.2/542.8 mm, M6 threaded-rod supports (Roco Line Gleise R4/R5) | for R3, 48.38 cm and R4, 54.56 cm | 2.96 % inner, 2.63 % outer | — | From the maker |
| Gleiswendel-Profi (HaHoTec Holztechnik) H0 helix, double track, radius 481.2/542.8 mm, laser-cut plywood supports (Roco Line Gleise R4/R5) | for R3, 48.38 cm and R4, 54.56 cm | 2.80 % inner, 2.48 % outer | — | From the maker |
| Gleiswendel-Profi (HaHoTec Holztechnik) H0 helix, double track, radius 483.5/547 mm, M6 threaded-rod supports (Fleischmann Profi Gleis R3/R4) | for R3, 48.38 cm and R4, 54.56 cm | 2.96 % inner, 2.63 % outer | — | From the maker |
| Gleiswendel-Profi (HaHoTec Holztechnik) H0 helix, double track, radius 483.5/547 mm, laser-cut plywood supports (Fleischmann Profi Gleis R3/R4) | for R3, 48.38 cm and R4, 54.56 cm | 2.80 % inner, 2.48 % outer | — | From the maker |
| Gleiswendel-Profi (HaHoTec Holztechnik) H0 helix, double track, radius 484/546 mm, M6 threaded-rod supports (Piko-A Gleise R3/R4) | for R3, 48.38 cm and R4, 54.56 cm | 2.96 % inner, 2.63 % outer | — | From the maker |
| Gleiswendel-Profi (HaHoTec Holztechnik) H0 helix, double track, radius 484/546 mm, laser-cut plywood supports (Piko-A Gleis R3/R4) | for R3, 48.38 cm and R4, 54.56 cm | 2.80 % inner, 2.48 % outer | — | From the maker |
| Gleiswendelshop (Tobias Fischer) H0 helix, R1, single track (2–8 turns) | for R1, 36.0 cm | 4.42 % | — | From the maker |
| Gleiswendelshop (Tobias Fischer) H0 helix, R1/R2, double track (2–8 turns) | for R1, 36.0 cm and R2, 42.19 cm | 4.42 % inner, 3.77 % outer | — | From the maker |
| Gleiswendelshop (Tobias Fischer) H0 oval helix, R1/R2, double track (2–8 turns) | for R1, 36.0 cm and R2, 42.19 cm | depends on the straights | — | From the maker |
| Gleiswendelshop (Tobias Fischer) H0 helix, R2, single track (2–8 turns) | for R2, 42.19 cm | 3.77 % | — | From the maker |
| Gleiswendelshop (Tobias Fischer) H0 helix, R2/R3, double track (2–8 turns) | for R2, 42.19 cm and R3, 48.38 cm | 3.77 % inner, 3.29 % outer | — | From the maker |
| Gleiswendelshop (Tobias Fischer) H0 helix, R3, single track (2–8 turns) | for R3, 48.38 cm | 3.29 % | — | From the maker |
| Gleiswendelshop (Tobias Fischer) H0 helix, R3/R4, double track (2–8 turns) | for R3, 48.38 cm and R4, 54.56 cm | 3.29 % inner, 2.92 % outer | — | From the maker |
| NOCH (LAGGIES) LAGGIES helix complete kit H0 R360 mm, single track | for R1, 36.0 cm | 3.85 % | — | Search on eBay.de (53001)*Search on eBay.de (53101)* |
| NOCH (LAGGIES) LAGGIES helix complete kit H0 R420/483 mm, single or double track | for R2, 42.19 cm and R3, 48.38 cm | 3.28 % inner, 2.86 % outer | — | Search on eBay.de (53005)*Search on eBay.de (53105)* |
| NOCH (LAGGIES) LAGGIES helix complete kit H0 R481.2/542.8 mm, single or double track | for R3, 48.38 cm and R4, 54.56 cm | 2.86 % inner, 2.54 % outer | — | Search on eBay.de (53007)*Search on eBay.de (53107)* |
Turnouts and crossings
| Article | Type | Angle |
|---|---|---|
| 55220 | Turnout left | 15° |
| 55221 | Turnout right | 15° |
| 55222 | Curved turnout left | — |
| 55223 | Curved turnout right | — |
| 55227 | Curved turnout left | — |
| 55228 | Curved turnout right | — |
| 55226 | Y turnout | — |
| 55225 | Three-way turnout | 15° |
| 55241 | Crossing | 30° |
| 55240 | Crossing | 15° |
| 55224 | Double slip | 15° |
All pieces
Show all 28 pieces
| Article | Type | Dimensions |
|---|---|---|
| 55205 | Straight | 61.9 mm |
| 55207 | Straight | 61.9 mm |
| 55208 | Straight | 61.9 mm |
| 55204 | Straight | 107.3 mm |
| 55203 | Straight | 115.5 mm |
| 55202 | Straight | 119.5 mm |
| 55201 | Straight | 230.9 mm |
| 55200 | Straight | 239.1 mm |
| 55280 | Buffer stop (fits onto the track) | — |
| 55211 | Curve | R 360 mm · 30° |
| 55251 | Curve | R 360 mm · 7.5° |
| 55212 | Curve | R 421.9 mm · 30° |
| 55252 | Curve | R 421.9 mm · 7.5° |
| 55213 | Curve | R 483.8 mm · 30° |
| 55214 | Curve | R 545.6 mm · 30° |
| 55219 | Curve | R 908 mm · 15° |
| 55209 | Flex track | 940 mm |
| 55220 | Turnout left | 15° |
| 55221 | Turnout right | 15° |
| 55222 | Curved turnout left | — |
| 55223 | Curved turnout right | — |
| 55227 | Curved turnout left | — |
| 55228 | Curved turnout right | — |
| 55226 | Y turnout | — |
| 55225 | Three-way turnout | 15° |
| 55241 | Crossing | 30° |
| 55240 | Crossing | 15° |
| 55224 | Double slip | 15° |
Dimensions in mm, angles in degrees, from the Trackplanner catalogue. Where the data does not give a value unambiguously, the field stays empty.
Track plans with Piko A
The gallery has 87 public track plans built with Piko A. These are the ones it recommends right now:
Changes
4 November 2026
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55227 New
New: left curved turnout R3/R4 55227, 30°. Both routes R3 (483.75 mm), the outer one after 61.88 mm of straight, like 55427 in the ballasted range.
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55228 New
New: right curved turnout R3/R4 55228, 30°. Both routes R3 (483.75 mm), the outer one after 61.88 mm of straight, like 55428 in the ballasted range.
12 October 2026
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55223 Appearance
Turnouts and crossings were missing sleepers, mostly near the joints. The gaps are closed, and the sleepers there are spaced like on the rest of the track.
8 October 2026
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55200 Appearance
Sleepers and rails brought in line with the prototype: sleepers spaced 0.60 m apart, rails placed so the gap between them is exactly the track gauge. Connectors and track dimensions are unchanged.
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55201 Appearance
Sleepers and rails brought in line with the prototype: sleepers spaced 0.60 m apart, rails placed so the gap between them is exactly the track gauge. Connectors and track dimensions are unchanged.
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55202 Appearance
Sleepers and rails brought in line with the prototype: sleepers spaced 0.60 m apart, rails placed so the gap between them is exactly the track gauge. Connectors and track dimensions are unchanged.
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55203 Appearance
Sleepers and rails brought in line with the prototype: sleepers spaced 0.60 m apart, rails placed so the gap between them is exactly the track gauge. Connectors and track dimensions are unchanged.
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55204 Appearance
Sleepers and rails brought in line with the prototype: sleepers spaced 0.60 m apart, rails placed so the gap between them is exactly the track gauge. Connectors and track dimensions are unchanged.
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55205 Appearance
Sleepers and rails brought in line with the prototype: sleepers spaced 0.60 m apart, rails placed so the gap between them is exactly the track gauge. Connectors and track dimensions are unchanged.
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55207 Appearance
Sleepers and rails brought in line with the prototype: sleepers spaced 0.60 m apart, rails placed so the gap between them is exactly the track gauge. Connectors and track dimensions are unchanged.
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55208 Appearance
Sleepers and rails brought in line with the prototype: sleepers spaced 0.60 m apart, rails placed so the gap between them is exactly the track gauge. Connectors and track dimensions are unchanged.
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55209 Appearance
Sleepers and rails brought in line with the prototype: sleepers spaced 0.60 m apart, rails placed so the gap between them is exactly the track gauge. Connectors and track dimensions are unchanged.
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55211 Appearance
Sleepers and rails brought in line with the prototype: sleepers spaced 0.60 m apart, rails placed so the gap between them is exactly the track gauge. Connectors and track dimensions are unchanged.
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55212 Appearance
Sleepers and rails brought in line with the prototype: sleepers spaced 0.60 m apart, rails placed so the gap between them is exactly the track gauge. Connectors and track dimensions are unchanged.
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55213 Appearance
Sleepers and rails brought in line with the prototype: sleepers spaced 0.60 m apart, rails placed so the gap between them is exactly the track gauge. Connectors and track dimensions are unchanged.
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55214 Appearance
Sleepers and rails brought in line with the prototype: sleepers spaced 0.60 m apart, rails placed so the gap between them is exactly the track gauge. Connectors and track dimensions are unchanged.
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55219 Appearance
Sleepers and rails brought in line with the prototype: sleepers spaced 0.60 m apart, rails placed so the gap between them is exactly the track gauge. Connectors and track dimensions are unchanged.
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55220 Appearance
Sleepers and rails brought in line with the prototype: sleepers spaced 0.60 m apart, rails placed so the gap between them is exactly the track gauge. Connectors and track dimensions are unchanged.
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55221 Appearance
Sleepers and rails brought in line with the prototype: sleepers spaced 0.60 m apart, rails placed so the gap between them is exactly the track gauge. Connectors and track dimensions are unchanged.
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55222 Appearance
Sleepers and rails brought in line with the prototype: sleepers spaced 0.60 m apart, rails placed so the gap between them is exactly the track gauge. Connectors and track dimensions are unchanged.
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55223 Appearance
Sleepers and rails brought in line with the prototype: sleepers spaced 0.60 m apart, rails placed so the gap between them is exactly the track gauge. Connectors and track dimensions are unchanged.
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55224 Appearance
Sleepers and rails brought in line with the prototype: sleepers spaced 0.60 m apart, rails placed so the gap between them is exactly the track gauge. Connectors and track dimensions are unchanged.
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55225 Appearance
Sleepers and rails brought in line with the prototype: sleepers spaced 0.60 m apart, rails placed so the gap between them is exactly the track gauge. Connectors and track dimensions are unchanged.
6 more
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55226 Appearance
Sleepers and rails brought in line with the prototype: sleepers spaced 0.60 m apart, rails placed so the gap between them is exactly the track gauge. Connectors and track dimensions are unchanged.
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55240 Appearance
Sleepers and rails brought in line with the prototype: sleepers spaced 0.60 m apart, rails placed so the gap between them is exactly the track gauge. Connectors and track dimensions are unchanged.
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55241 Appearance
Sleepers and rails brought in line with the prototype: sleepers spaced 0.60 m apart, rails placed so the gap between them is exactly the track gauge. Connectors and track dimensions are unchanged.
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55251 Appearance
Sleepers and rails brought in line with the prototype: sleepers spaced 0.60 m apart, rails placed so the gap between them is exactly the track gauge. Connectors and track dimensions are unchanged.
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55252 Appearance
Sleepers and rails brought in line with the prototype: sleepers spaced 0.60 m apart, rails placed so the gap between them is exactly the track gauge. Connectors and track dimensions are unchanged.
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55280 Appearance
The buffer stop struts follow the new rail position and sit exactly over the rails again. The connector is unchanged.
7 October 2026
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55224 Shape corrected Appearance
The curves of the double slip switch were drawn slightly offset and kinked at two ends. They now end exactly at the joints; radius and joints are unchanged.
5 October 2026
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55280 Shape corrected Appearance
The buffer stop was drawn with a 2 cm piece of track behind the buffer beam that stuck out past the end of the track. It now sits on the last 20 mm of the track it is fitted to, without a length of its own; only the buffer stop itself is drawn.
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55251 Appearance
End sleeper added at the joint (joint marker).
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55252 Appearance
End sleeper added at the joint (joint marker).
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55220 Appearance
Sleeper layout tidied: duplicate sleepers of overlapping routes removed, long turnout timbers, gaps closed.
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55221 Appearance
Sleeper layout tidied: duplicate sleepers of overlapping routes removed, long turnout timbers, gaps closed.
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55222 Appearance
Sleeper layout tidied: duplicate sleepers of overlapping routes removed, long turnout timbers, gaps closed.
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55223 Appearance
Sleeper layout tidied: duplicate sleepers of overlapping routes removed, long turnout timbers, gaps closed.
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55224 Appearance
Sleeper layout tidied: duplicate sleepers of overlapping routes removed, long turnout timbers, gaps closed.
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55225 Appearance
Sleeper layout tidied: duplicate sleepers of overlapping routes removed, long turnout timbers, gaps closed.
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55226 Appearance
Sleeper layout tidied: duplicate sleepers of overlapping routes removed, long turnout timbers, gaps closed.
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55240 Appearance
Sleeper layout tidied: duplicate sleepers of overlapping routes removed, long turnout timbers, gaps closed.
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55280 Appearance
Added rails and sleepers (previously centreline only).