![End to End logo dark landscape cropped-01.png]](https://26925870.hs-sites-eu1.com/hs-fs/hubfs/End%20to%20End%20logo%20dark%20landscape%20cropped-01.png?height=40&name=End%20to%20End%20logo%20dark%20landscape%20cropped-01.png){kind=small}
Sash Travel Calculations
MaxSashTravel = OverallSashHeight - SashHeight
Tolerance = 50
MaxLeadTravel = OverallSashHeight - 150 - Tolerance
LeadHeight = SashWeight * (LeadHeight Per Lb / 2)
CalculatedSashTravel = MaxLeadTravel - LeadHeight
Opening % = 100 * (CalculatedSashTravel/MaxSashTravel)
| Lead Height Per Lb | Lead Bar | Sash Thickness |
| 44.7 | 1 1/4" | ... - 38mm |
| 29.7 | 1 1/2" | 39mm - 44mm |
| 22.4 | 1 1/3" | 45mm - 50mm |
| 16.1 | 2" | 51mm - ... |