4-RAIL STRAIGHT TRACK
All standard straight rails are prefabricated with track mounting holes on 20” centers. The rail is shipped dismantled in 20’ lengths. The matching mounting holes in the track plate tabs, and in the rail, assures flush butt rail joints. Standard track plate spacing is on 40” or 60” centers. All curves are furnished as a completely fabricated assembly. After the rail is formed to the correct radius, the rail and track plates are assembled in a fixture and welded together.
- All rails, hangers, drives, trolley bodies, and curves are painted a standard Green.
- The Chainless straight rails are fabricated of 1 1/2 X 1 1/2” angle iron.
To assure proper gauging and alignment, all track curve assemblies are prefabricated at the factory. See Standard Curve Chart on Page 23 for selection of curves based on radius, angle, and arc.
(30º - 45º - 90º)
Standard hanger clips can be furnished in three basic designs.
The 30º hanger clip is part number LGB-879.
The 45º hanger clip is part number LGB-880.
The 90º hanger clip is part number LGB-877.
Two 3/8” X 1” mounting bolts are included with each hanger clip.
The 1000lbs. capacity ceiling cleat is slotted for angular adjustment of hanger rod. Each cleat is furnished with two lag screws. 3/8” X 2”.
Calculation and Design
Sample Chainless Line Pull Calculation
Line Pull Determination
Track and Fittings
How to Specify Curves
Corner Load Clearance Chart
How to Compute Vertical Curve Dimensions
Vertical Curves Load Clearance Chart