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Elevator cable tension

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13 Nov 2024 16:30 #7 by Keith Whitcomb
Replied by Keith Whitcomb on topic Elevator cable tension
I don’t do facebook. If I give you my e-mail could you please send me a copy of your Aircoupe annual checklist. I have nothing and the alon doesn’t even have a maintenance manual so I’m begging for some of this technical data.

From what I recall from A&P school an annual must be done from a checklist. There are no requirements as to where that checklist came from and a hand scribbled list on the back of a used envelope is sufficient to satisfy the rule.

I personally have a whiteboard on the wall that I have listed the items that I want to document as upgraded, serviced, inspected, repaired , or replaced.

The Alon owners manual doesn’t list cable tensions

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12 Nov 2024 20:52 #8 by Matt Gunsch
Replied by Matt Gunsch on topic Elevator cable tension
cable tensions and control surface travels are supposed to be a part of EVERY annual, and yes the tensions are that high.

A&P, IA, PPSEL
too many years GA and Warbird Maint
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12 Nov 2024 20:30 #9 by Keith Whitcomb
Replied by Keith Whitcomb on topic Elevator cable tension
The captain purchased the cherokee from a dear freind who stopped flying because of another close freind who died in an aviation accident.

This aircraft was out of annual by 1.5 years and I don’t think any inspections were done between these friends in the purchase process. I have no information on who acquired the ferry permit.

I am the mechanic who opened up the aircraft and discovered why the rudder didn’t work. There wasn’t any cable fraying. As I said all the cables looked good aside from the fact that one of them was broken.

The cable end was corroded and broken BETWEEN where the wires were swedged into the cable end, and where the cable end is threaded to go into the turnbuckle.

I created this post because aside from the fact that this cable was broken. There weren’t any of the usual signs that things weren’t all hunky dory.

As part of the annual on the cherokee. 100% of the cables were replaced. This is why I’m replacing the ones on my Alon.

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12 Nov 2024 20:06 #10 by Warren Hampton
Replied by Warren Hampton on topic Elevator cable tension
Sounds like sameone not doing their job at annuals on that Cherokee in years passed. Cable fray before snapping. Thinking about it who did the ferry permit?

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12 Nov 2024 19:56 #11 by Warren Hampton
Replied by Warren Hampton on topic Elevator cable tension
Same system as Ercoupes Only -- a bolt left off. The hardest part is safety wiring. Get a wire feed used to pull wire thur conduit. I got mine at Home Depot. Make getting cable thur Tail cone easy. You will need a tensiometer, .032 safety wire.

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12 Nov 2024 15:02 #12 by Larry Snyder
Replied by Larry Snyder on topic Elevator cable tension
The required tension is really that high. Old joke was it was those cables that held the empannage on!

I remember years ago on the Ercoupe Tech List there was a tensionometer that floated around for folks who needed it. Vernon might have some idea where you can rent or borrow one.

One of the stranger idiosyncrasies of the Ercoupe/Aircoupe world.

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