RCU Forums - View Single Post - Nitroplanes CMP 50cc Ultimate Biplane Build
Old 09-13-2016 | 08:11 AM
  #8  
Tom Nied's Avatar
Tom Nied
 
Joined: Feb 2002
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From: Queen Creek, Arizona
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Yeah, I think they are blocks for mounting your cowl. Glue them to the front of the firewall at the edge, then you can mount your cowl securely. I'm presently assembling a Great Planes Giant Super Sporster and it comes with similar blocks just for that purpose.