Helix Grades
N Scale Small Helix
Single Track: 2.35%
Double Track: 2.25% and 2.46%
N Scale Large Helix
Single Track: 1.99%
Double Track: 1.92% and 2.07%
HO Scale Single Track: 2.31%
HO Scale Double Track: 2.11% and 2.31%
Overall Dimensions
Radius Specifications
Bent Dimensions and Minimum Clearances
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Last Updated on 6 months ago ago by James from Model Railway Techniques
