41617 Videregående CAD/CAM 
Exercise 1: Design of a Pro/Engineer motion skeleton model 

 
1) Make an assembly using Pro/Engineers skeleton facilities. 
 
The following dimensions must be used for the skeleton: 
 
The piston stroke should be:  

 

 

35 mm 

The connection rod length (centre to centre):  

85 mm 

 
The motor parts: crank_mach, connect_big, connect_small, pind, bolt and piston are all 
available in the exercise1/B&S directory in the CAD/CAM-databar.  
   
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
Exercise manuals:  
 
Georg K. Christensen:  
“Design of a Pro/Engineer motion skeleton model – for a Briggs & Stratton petrol   
  engine”. (Pro/Engineer Wildfire 2.0) p.1-7, jan 2005. 
 

 

 

H:\PRO1kursus\CAD05F\CAD_CAM Exercise 1.doc