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- Aug 17, 2016
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Hi All
I've recently purchased a 1939 J3 and am in the process of ironing out all the kinks with the plane.
It has been standing and not flying for the past 14 years so there are many minor maintenance issues that require attention.
Last week I had the lower rear part of the fuselage X-rayed in order to check for corrosion, I did this because when I got the Cub we found some surface corrosion on the liner tubes at the point where the horizontal stabilizers attached to the trim mechanism.
The company that have performed the X-ray have noted in their report that all the welds look good, the rear cluster looks good and the tubes look to be in good structural condition, however, they say that there is some ''very minor'' internal corrosion present on the inner tubes near the rear cluster.
They have said that it doesn't require any immediate attention and that I should make a note to perhaps inspect again in 5 to 10 years.
My first inclination is to do something to ''fix'' this problem or at least arrest the corrosion from continuing. The plane is now stored in very dry hangar and a dry part of Australia so I don't expect that corrosion will be a major issue from here on out.
I'm told that there is a procedure for drilling a small hole, putting in some oil into the tubes and then sealing with a blind rivet in order to halt the corrosion.
Does anyone have any experience with this, or any thoughts or advice on the matter?
I intend to keep my Cub forever, so I want to take the best possible action to get as much life out of it as possible.
Thanks in advance.
Cheers
Ivan
I've recently purchased a 1939 J3 and am in the process of ironing out all the kinks with the plane.
It has been standing and not flying for the past 14 years so there are many minor maintenance issues that require attention.
Last week I had the lower rear part of the fuselage X-rayed in order to check for corrosion, I did this because when I got the Cub we found some surface corrosion on the liner tubes at the point where the horizontal stabilizers attached to the trim mechanism.
The company that have performed the X-ray have noted in their report that all the welds look good, the rear cluster looks good and the tubes look to be in good structural condition, however, they say that there is some ''very minor'' internal corrosion present on the inner tubes near the rear cluster.
They have said that it doesn't require any immediate attention and that I should make a note to perhaps inspect again in 5 to 10 years.
My first inclination is to do something to ''fix'' this problem or at least arrest the corrosion from continuing. The plane is now stored in very dry hangar and a dry part of Australia so I don't expect that corrosion will be a major issue from here on out.
I'm told that there is a procedure for drilling a small hole, putting in some oil into the tubes and then sealing with a blind rivet in order to halt the corrosion.
Does anyone have any experience with this, or any thoughts or advice on the matter?
I intend to keep my Cub forever, so I want to take the best possible action to get as much life out of it as possible.
Thanks in advance.
Cheers
Ivan
