Calculating Sash Travel

1. Maximum sash travel.

MaxSashTravel = OverallSashHeight - SashHeight

Tolerance = 50

2. Maximum lead travel.

MaxLeadTravel = OverallSashHeight - 150 - Tolerance

3. Lead height.

LeadHeight = SashWeight * (LeadHeight Per lb / 2)

4. Calculated sash travel.

CalculatedSashTravel = MaxLeadTravel - LeadHeight

5. Percentage opening.

Opening % = 100 * (CalculatedSashTravel / MaxSashTravel)

For cord hung sash windows, learn how restricted sash travel is calculated in integrate.