Schematic of the stairs
Drawing Template stages
Drawing the bowstring
Recommendations
Deviation from the formula for 8.6%
Suggested to increase the number of stages more on 1Sufficient depth of step
Convenient staircase inclination 34.8°
Relatively comfortable staircase
Initial data
The height of the stairs 2500 mm
The length of the stairwells in the plan 2300 mm
Width of the track 800 mm
Stages in the upper span 5
The average flight of stairs 3
Stages in the lower span 2
The thickness of the treads 50 mm
Tread Overhang 50 mm
The calculation results
The length of the upper bowstring full 2173 mm
The length of the front of the upper bowstring 1826 mm
The average length of a bowstring full 1807 mm
The length of the front of the middle of a bowstring 1461 mm
The length of the bottom Stringer full 1442 mm
The length of the front of the bottom Stringer 1096 mm
The thickness of a bowstring 241 mm
The distance on the bowstring between prosaws on stage 365 mm
The angle of the stairs 34.8° from the floor
Depth steps 350 mm
Step height 208 mm
The height of risers 158 mm
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