Kühn TT is a two-rail track system without roadbed for TT scale.
The Trackplanner catalogue lists 18 pieces: 5 straights, 5 curves, 1 flex track, 4 turnouts, 2 curved turnouts and 1 double slip. The curves come in 2 radii from 321 to 365 mm.
Key facts
Scale
TT scale
Rail system
two-rail
Roadbed
no roadbed
Status
current — in production and in the shops
Turnout motor
sold separately: drive 86112 by Tillig
Pieces in the catalogue
18
Radii
2 · 321–365 mm
Straight lengths
44 · 60.5 · 64.3 · 121 · 128.7 mm
Turnout angles
10° · 20°
Pieces by type
Type
Count
Straights
5
Curves
5
Flex tracks
1
Turnouts
4
Curved turnouts
2
Double slips
1
Radii
Radius
Angle
Articles
321 mm
30° · 10°
72110 · 72130
365 mm
30° · 20° · 10°
72210 · 72220 · 72230
Turnouts and crossings
Article
Type
Angle
72620
Turnout left
20°
72621
Turnout right
20°
72640
Turnout left
10°
72641
Turnout right
10°
72630
Curved turnout left
—
72631
Curved turnout right
—
72600
Double slip
20°
All pieces
Show all 18 pieces
Article
Type
Dimensions
71044
Straight
44 mm
71060
Straight
60.5 mm
71064
Straight
64.3 mm
71121
Straight
121 mm
71128
Straight
128.7 mm
72130
Curve
R 321 mm · 30°
72110
Curve
R 321 mm · 10°
72230
Curve
R 365 mm · 30°
72220
Curve
R 365 mm · 20°
72210
Curve
R 365 mm · 10°
71640
Flex track
640 mm
72620
Turnout left
20°
72621
Turnout right
20°
72640
Turnout left
10°
72641
Turnout right
10°
72630
Curved turnout left
—
72631
Curved turnout right
—
72600
Double slip
20°
Dimensions in mm, angles in degrees, from the Trackplanner catalogue. Where the data does not give a value unambiguously, the field stays empty.