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Old 04-16-2021, 06:17 AM
DanH's Avatar
DanH DanH is online now
Join Date: Oct 2005
Location: 08A
Posts: 9,948

Most 8's have the mushroom rear rudder pedals, so it's easy to install an internal rudder aero drag, no additional mass aft of the hinge line, infinitely adjustable.

Drill a hole in the mushroom cap on the right side. Add a bungee and a bracket as pictured. Place the bungee hook in the hole and adjust the tension while in cruise to center the ball. Might need to re-adjust once a year. Unhook the bungee for descent, when the airplane may like a bit of left.
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Dan Horton
Barrett IO-390
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Old 04-16-2021, 06:52 AM
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Mel Mel is online now
Join Date: Mar 2005
Location: Dallas area
Posts: 10,991

Originally Posted by craig.roser View Post
Methinks I am legal, viewable within the 70 degrees side to side required for a stern light:

There is actually a shield on the stern light itself that blocks the view from the side.
My mistake. For some reason, I was thinking that the requirement was 180.
Mel Asberry, DAR since the last century. Over 1,000 certifications accomplished.
EAA Flight Advisor/Tech Counselor, Friend of the RV-1
Recipient of Tony Bingelis Award and Wright Brothers Master Pilot Award
USAF Vet, High School E-LSA Project Mentor.
RV-6 Flying since 1993 (sold)
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Old 04-16-2021, 03:22 PM
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Roadjunkie1 Roadjunkie1 is offline
Join Date: Jun 2017
Location: Erie, Colorado
Posts: 162
Default Rudder trim....

During and after my flight testing with wheel pants off and on, heavy wing balanced, I still found I had a slight bit of rudder I needed in cruise. Seemed to be consistent regardless of speed. And I had built a little offset in the vertical knowing this was probably going to be an issue.

SO: got a piece of pine and carved it into a long, flat skinny wedge. Duct taped it on. It was on and off several times before I found how thick and where to put it. Then flew it for a while with that in place. When I was satisfied with where it was, made one out of a slab of scrap aluminum from my build. I still duct taped that on and flew it to make sure it was right. Has been on ever since. No adjustment necessary and cruises feet on the floor.
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RV-4 2860
1946 C-90-8 J-3 Cub
The adventure begins when things stop going as planned - Glen Heggstad
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Old 04-17-2021, 07:48 AM
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craig.roser craig.roser is offline
Join Date: Feb 2019
Posts: 20

Originally Posted by Mel View Post
My mistake. For some reason, I was thinking that the requirement was 180.
No worries! When I was looking this up before deciding on this solution, I guessed it would be 135 degrees, same as ships. I wonder why it is different? I think ships came before airships!
Craig Roser

2015 Gunter Malich RV8
2005 Cessna C182T G1000
West Central Florida
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