2 files changed, 16 insertions, 0 deletions
diff --git a/3886/CH6/EX6.12/6_12.sce b/3886/CH6/EX6.12/6_12.sce
new file mode 100644
index 000000000..99d51ca1a
--- /dev/null
+++ b/3886/CH6/EX6.12/6_12.sce
@@ -0,0 +1,13 @@
+//required effort
+//differential axle diameters
+d1=300  //mm
+d2=250  //mm
+//wheel diameter
+D=800  //mm
+//load
+W=20000  //N
+eta=0.55
+VR=(2*D)/(d2-d1)
+MA=eta*VR
+P=W/MA  //N
+printf("Required effort =%0.1f N",-P)
diff --git a/3886/CH6/EX6.12/6_12.txt b/3886/CH6/EX6.12/6_12.txt
new file mode 100644
index 000000000..b63f00a2c
--- /dev/null
+++ b/3886/CH6/EX6.12/6_12.txt
@@ -0,0 +1,3 @@
+ 
+--> exec('E:\My program EM\6. Lifting machines\6.12.sce', -1)
+Required effort =1136.4 N
+\ No newline at end of file