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  • Table of Contents and Ordering Back Issues
    • What are Experimental & Personal Helicopters?
  • Experimental Helicopter?
    Just What Does This Include?
  • What Kind of Person Builds a Helicopter?
    		•
    This Issue
  • Front Cover
  • Contents
  • Editors' Page
  • Contributors' Contacts
    		•
    Special Articles -
  • Anodizing and Fatigue Life
  • Oil Viscosity
  • Is Your Contact With Earth Dynamic?
  • A Single Plane Balancing Method Using Amplitude Measurement Only
  • Using an Electronic Balancer
  • Balancing Works

    • Read and Print a Free Trial Issue
    Helicopter Resources
  • Books
  • Reviews
       1.  Mechanical Vibrations by J.P. Den Hartog
       2.  The Fairey Rotodyne - a plane before it's time; too much too soon.
    By Eur Ing David Gibbings CEng FraeS
       3. Helicopter Aerodynamics, Volume II. By Ray Prouty
  • Instructors
  • Companies We Like
  • Approved Cleaners
  • Helicopter Aviation Events of the Year
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    September 2011 Front Cover

    The HR-22 takes off from the base of Titsa Falls during the annual Chopper Tour Along the South African East Coast. Article on page 28
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    Experimental Helicopter magazine - On Line
    2011
    Last Update 8/28/2011