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Forum: Accidents and Close Calls

13th Sep 2023, 20:38

Replies: 100

Piper crop spraying type crash in Mexico.

Views: 27,329

Posted By EXDAC

No, they don't, at least not in USA. Typically,...

No, they don't, at least not in USA. Typically, for non commercial use, an annual inspection is required. In commercial use a 100 hour inspection may be required if 100 hours reached before the next...

Forum: Accidents and Close Calls

12th Sep 2023, 01:08

Replies: 100

Piper crop spraying type crash in Mexico.

Views: 27,329

Posted By EXDAC

I think I have flown 4 different PA-25, all...

I think I have flown 4 different PA-25, all glider tugs. I don't remember any of them smelling of chemicals. Maybe the smell dissipates faster in the hot and mostly dry SW USA where I flew them. ...

Forum: Accidents and Close Calls

10th Sep 2023, 00:54

Replies: 100

Piper crop spraying type crash in Mexico.

Views: 27,329

Posted By EXDAC

To torsional rigidity of Piper rag wings is low....

To torsional rigidity of Piper rag wings is low. Just like the high wing Pipers, the PA-25 has a one lift strut connected to the front spar and one lift strut connected to the rear spar. The lift...

Forum: Accidents and Close Calls

9th Sep 2023, 18:50

Replies: 100

Piper crop spraying type crash in Mexico.

Views: 27,329

Posted By EXDAC

There are some excellent images showing the PA-25...

There are some excellent images showing the PA-25 strut configuration here - https://en.wikipedia.org/wiki/Piper_PA-25_Pawnee

Remember that the wing attachment to the fuselage is a pair of hinges...

Forum: Accidents and Close Calls

9th Sep 2023, 18:04

Replies: 100

Piper crop spraying type crash in Mexico.

Views: 27,329

Posted By EXDAC

Just so I can follow along - What do you mean by...

Just so I can follow along - What do you mean by "brace strut"? The terms I'm familiar with are "lift strut" and "jury strut". The lift struts on a PA-25 carry the lifting load in compression. ...

Forum: Accidents and Close Calls

6th Sep 2023, 12:41

Replies: 100

Piper crop spraying type crash in Mexico.

Views: 27,329

Posted By EXDAC

In aircraft with strut braced wings the spar...

In aircraft with strut braced wings the spar attachment to the fuselage is usually a simple single bolt (or pin) hinge. Without the struts in place the wing would be free to hinge up and down and...

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