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Here are a couple of pictures with the firewall removed and the rudder pedal assembly removed.

First is the spring attachment points in the tunnel (with the springs hanging loose from them). Second, the attachment holes on the rudder pedal assembly marked with yellow post it strips cut into arrows.
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IMG_7634.jpg (189.48 KB, 143 downloads)
IMG_7635.jpg (133 KB, 142 downloads)


N18506 C-150L overhaul project
N5275G C-310A flying ecological disaster
N37BZ fast wrong way 150
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Well now I need to for sure look at mine, I am pretty sure my 150L only has one spring inside the tunnel and not 2 as Kendel points out, one inside and one outside.


1973 Cessna 150L

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Originally Posted by Jason Pearson
Well now I need to for sure look at mine, I am pretty sure my 150L only has one spring inside the tunnel and not 2 as Kendel points out, one inside and one outside.
Kendel's picture with the firewall removed showed one spring inside the tunnel and one outside as they should be.


Ron Stewart
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Yea I have 2 springs, the one out side of the tunnel is very hard to see. It hides nicely behind an aluminum tube. The one inside the tunnel is equally as hard to see.

Hayden, I can confirm that the outer spring is connected where you point out in your pictures. The inner spring is as I described. Connected to the short tube welded to the rudder bar and then over to the pilot side of the tunnel.

I have attached some pictures, best I can get right now.
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IMG_9078.jpeg (167.15 KB, 113 downloads)
IMG_9079.jpeg (147.05 KB, 113 downloads)


1973 Cessna 150L

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Thank you all, this has been very helpful! I was able to get the new spring connected in the proper spots and rudders feel good as new. Mark wasn't kidding when he told me this was the most useful type club out there!

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Originally Posted by Kendel_McCarley
Oh, I just pulled the rudder pedal assembly from a 150 after removing the firewall. Would have been perfect for taking a picture.


Not mine but this will suffice.
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Rudder_Return_spring_detail.JPG (33.77 KB, 99 downloads)


Cessna 150/150, N2259M - Mighty Mouse
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I have to assume this was either the work of a sadist in either design or assembly phase back in the day.

There is no obvious design advantage of putting that spring attach point INSIDE of that aluminum frame, attached with TEN AN-3 bolts in an awkward to reach space.

Also most of the posts about "broken spring" are on the left side.. so I would posit that the twist to get the spring to the inside of the frame puts more adverse load on it than the normal person design found on the right (co-pilot) side leading to premature failure.

Which of course begs the question of why not have the A&P change the tab to the left OUTSIDE of the frame so it matches the right side... There are no movement conflicts that can be seen.

Michael


1981 C152
Former flight school bird getting back into shape.
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