Brian Bollinger
  • Male
  • Saint Charles, MO
  • United States
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  • joseph aloof
  • Ray Henrie
 

Brian Bollinger's Page

Profile Information

Aircraft Model
STOL CH 701
Project Status
Just started
Building From
Partial kit
Engine installed (or plan to install)
Rotax 912
Building Experience
No Experience
Flying Experience
Private Pilot

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At 5:18pm on December 11, 2010, Ray Henrie said…

The mount design depends on the reduction setup you use, because you want the prop flange to be properly located for thrust angle, height and center. I had to determine this by looking at the blueprints and a measured drawing o f the Rotax 912 because Zenith could not provide that information. Once I figured that out I built a firewall mockup from angle iron, and made a mock up of the engine mounting points with the engine the proper place.  Then with the two mock ups I fabricated a mount from mostly 3/4' 4130 same wall as specified int he prints.  Took a bunch o f time and one messed up mount, but was interesting.   This spring I did taxi testing and except for some excess vibration at 3k it seems to work good.  Then it got hot, then i got an inner ear problem, and I am waiting on my head and t e weather to get back together for flight testing.  I plan to experiment with rotating the prop on the flange to see if it affects the vibration.  Taxi testing was a thrill as the plane seemed to want to jump off the ground.

 
 
 

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