Mostafa Mohamed Kamal Bedewy <br/><br/>
C-gears :   Comparative study and envisaged applicatin in rotorcraft transmissions /  
 التروس ذات الأسنان المقوسة :   دراسة مقارنة والتطبيق المقترح فى نواقل الحركة بالطائرات المروحية 
Mostafa Mohamed Kamal Bedewy ; Supervised Hani A . Arafa 
 - Cairo :   Mostafa Mohamed Kamal Bedewy ,   2008 
 - 104 P. :   charts , facsimiles ;   30cm 
<br/><br/>Thesis (M.Sc.) - Cairo University - Faculty of Engineering - Department of Mechanical Design and Production 
<br/><br/> The family of cylindrical parallel-axis involute gearing currently include spur helical and double-helical gears all having straight tooth traces in thedeveloped pitch plane however gears with curved tooth traces were also suggested several times in the past hundred and sixty years 
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<br/><br/><label>Subjects--Index Terms: </label>C-gears Double-helical gears Gear cutting