4.5 LEVEL HELIX for Roco Line R3/R4 (Copy)
4.5 LEVEL HELIX for Roco Line R3/R4 (Copy)
PROSES Helix for Roco-Line (R3 / R4 – 419.6 mm / 481.2 mm, 4.5 Levels)
Optimize your layout with the PROSES Modular Helix V3, designed specifically for Roco-Line R3 & R4 curved tracks (42423 / 42523 and 42424 / 42524), and fully compatible with any flex track.
This double-track, 4.5-level helix delivers substantial height gain within a compact footprint, making it ideal for complex layouts with multiple deck transitions.
Key Features
• Modular Design: 4.5 loops (levels) with flexible, step-by-step assembly
• Perfect for Roco-Line: Designed for R3 & R4 curved tracks or any compatible flex track
• Double-Track Layout: Supports continuous bidirectional operation for realistic traffic flow
Dimensions & Technical Details
• Track Radius:
– R3: 419.6 mm (16.5")
– R4: 481.2 mm (18.9")
• Segment Width: 15 cm (5.9")
• Vertical Clearance Between Levels: 10 cm (3.94")
• Total Height: 50 cm (19.7")
• Overall Width: 107 cm (42")
Gradient
• Inner Track Gradient: 3.8%
• Outer Track Gradient: 3.3%
Balanced gradients ensure smooth, reliable operation even over extended vertical climbs.
Easy & Flexible Assembly
All PROSES helices can be assembled clockwise or anti-clockwise, allowing:
• Entry or exit from left or right
• Entry or exit from top or bottom
This adaptability makes the helix suitable for permanent layouts, modular systems, and exhibition setups.
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