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Old 09-20-2009 | 07:11 PM
  #14  
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bob27s
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Default RE: viper

Engine must be run on the test stand first - know how it runs, learn how it runs, get 20 minutes on it ...... then fly it.

8.5x7, 8.5x7.25, 8.5x7.5, 9x7 are suitable in this configuration. 8.75x8 and 8.75x7.75 are good too.