Eagler's Nest
Airframes => Single Seaters => Topic started by: Vince Carucci on October 13, 2022, 06:22:27 PM
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The drawings show a 5 degree bend on the top and bottom strut mount for the rear struts. The drawing also says to cut a 15 degree wedge for bending. Why is a 15 deg. cut necessary to make a 5 deg. bend? It seems the gap would be to large to weld.
Is there a good explanation for this difference?
Vince
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Chuck in Indiana's build has a comment of how he cut his struts. Check it out. My guess is it's a typo and should say bend to 5 degrees.
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I looked it up. It's on page 25 of the build.
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I could not find how Chuck did his... I found a YT video of course... It should be set to start at the "reverse method". I assume he means it is reversed from when you don't know what the desired angle is ahead of time.
If the 5 degrees is the actual bend you need on your airplane, you will want to cut half of that off each side of a line drawn around the tube. So 2.5 degrees each side of a line that is perpendicular to the long axis.
Below is a pic of a test cut out of paper. The pie cut wedge looks to be about 6 degrees but the gap closed up nicely.
https://www.youtube.com/watch?v=1EKz1KtaF_k&t=233s
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I could not find how Chuck did his...
I just sawed it in half, ground one side perpendicular on the disk sander, ground a 5 degree angle on the other, welded them together.
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Airye go... :))