General drawing a di staircase
Drawing of turning steps
Step template drawing
Bowstring drawing
Recommendations
Deviation fram di convenience formula by 12.5%
Wi recommend fi reduce di numba a steps still on 1Insufficient step depth: 260 mm
Wi recommend fi increase di projection F pon 20 mmConvenient angle of inclination of the stairs 36.9°
Inconvenient stairs
Initial data
Stair height 2520 mm
Length a di staircase opening inna plan 1850 mm
Platform width 800 mm
Steps inna di upper flight 5
Middle bay steps 2
Steps inna di lower flight 3
Rotary steps 6
Step thickness 50 mm
Overhang a steps 50 mm
Calculation results
Full length a di upper string 1574 mm
Length a di front part a di upper bowstring 1313 mm
Full middle string length 1049 mm
Length a di front part a di middle string 788 mm
Full length a di lower string 1311 mm
Length a di front part a di lower string 1050 mm
Bowstring thickness 196 mm
Di distance pan di string between di cuts fi di steps 263 mm
Stair angle 36.9° fram floor level
Step depth 260 mm
Step height 158 mm
Riser height 108 mm
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