RCU Forums - View Single Post - Scratch Building 1/4-Scale Pitts Model-12
Old 06-01-2012, 01:15 PM
  #7  
curtrc
 
Join Date: Apr 2012
Location: , GA
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Default RE: Scratch Building 1/4-Scale Pitts Model-12

Have been sanity-checking the design, just could not shake the feeling that the wings were set too far forward and I think I was right.

I checked the ratio of as many photos as I could find of similair aircraft (Beast, Ultimate) and the ratio of the measurement from the front of the cowl to the front of the top wing to the back of the top wing to the tail was around .23:1 quite consistently, whereas the Dash (working title of this Pitts) had a ratio closer to .2:1

Meaning what my gut was telling me was right, the wings were set too far forward. So I'm moving them back by the requisite 1" to bring it in line with other 3D biplane ratios. There is sincere flattery and there is NOT flushing $500 down the commode.

I'm doing this by extending the cowl forward by 1" and shortening the tail by 1" rather than re-do.. well.. everything.

-Curt