Posted for "Chatfield S. Daniel" <CDaniel@FNBSouth.com>:

 If you have a certified engine and prop, you get 25 hours, if not you
 get 40.
 
 Chat Daniel
 RV-8 N678RV
 Super ES 891AC (reserved)

"""
  Can somebody educate me a bit on the rules with respect to  when a 25
 hour fly - off period is permitted verses a 40 hour fly-off period?
"""