Posted for "Bryan J. Burr" <bjburr@mwheli.com>:

 I had extreme nose wheel shimmy that started at 30 kts and the nose gear
 drag link failed at 10 kts.  The nose gear pivoted aft and now I am in
 engine and prop repair.
 
 It happened on July 18 as I was preparing to go to Osh.
 
 Bryan

"""
  What caused your nose gear to collapse?
"""