GLJA Posted September 28, 2019 Author Report Share Posted September 28, 2019 Started work on the repair today. Decision was made to not remove the entire tail, and completely replace both skins. Instead, trimming back to the rivets around the damage, replacing the rib, and patching that way. Tech needed to check and see if he required a doubler around the river line, so he left this as is for now. 2024 aluminum should be here Monday, and repair completed Tuesday night ready for paint. Quote Link to comment Share on other sites More sharing options...
EricJ Posted September 29, 2019 Report Share Posted September 29, 2019 Interesting. Please post pics of progress and completed repair. Found out today that my hangar neighbor's Comanche rolled itself off the scales while the jacks were still parked under the wings but not supporting the airplane. It landed on the jacks right on a rib on each side. He had chopped out a spot to put a temporary patch and it's kind of similar to your pic. Quote Link to comment Share on other sites More sharing options...
GLJA Posted September 29, 2019 Author Report Share Posted September 29, 2019 Just now, EricJ said: Interesting. Please post pics of progress and completed repair. Found out today that my hangar neighbor's Comanche rolled itself off the scales while the jacks were still parked under the wings but not supporting the airplane. It landed on the jacks right on a rib on each side. He had chopped out a spot to put a temporary patch and it's kind of similar to your pic. This was stage 1. We discussed the patch and decided to go all the way to the rivets around it. More structurally sound and I think will look more professional and unnoticeable. 100% will post photos. Estimated time is 12-15 hours of work, aside from the 2-3 months it would take my AME 1 Quote Link to comment Share on other sites More sharing options...
ArtVandelay Posted September 29, 2019 Report Share Posted September 29, 2019 Are you just going to splice in a rib section, or do you have to replace entire rib? Tom Quote Link to comment Share on other sites More sharing options...
GLJA Posted September 29, 2019 Author Report Share Posted September 29, 2019 1 hour ago, ArtVandelay said: Are you just going to splice in a rib section, or do you have to replace entire rib? Tom The front rib goes from the middle spar forward. It’s a $125 part from Mooney. 3 rivets connect it to the spar, then all the way around the skin. Quote Link to comment Share on other sites More sharing options...
ArtVandelay Posted September 29, 2019 Report Share Posted September 29, 2019 The front rib goes from the middle spar forward. It’s a $125 part from Mooney. 3 rivets connect it to the spar, then all the way around the skin. You got the part already?? I would think it would be a few weeks!Tom Quote Link to comment Share on other sites More sharing options...
GLJA Posted September 29, 2019 Author Report Share Posted September 29, 2019 2 minutes ago, ArtVandelay said: You got the part already?? I would think it would be a few weeks! Tom In stock. Shipped next day. 1 Quote Link to comment Share on other sites More sharing options...
Hank Posted September 29, 2019 Report Share Posted September 29, 2019 5 hours ago, GLJA said: The front rib goes from the middle spar forward. It’s a $125 part from Mooney. 3 rivets connect it to the spar, then all the way around the skin. Least expensive certified airplane part I've ever heard of! Hope the rest of the work goes as well. 1 Quote Link to comment Share on other sites More sharing options...
GLJA Posted September 29, 2019 Author Report Share Posted September 29, 2019 20 minutes ago, Hank said: Least expensive certified airplane part I've ever heard of! Hope the rest of the work goes as well. The AME-S doing the work couldn’t believe it either. He was going to originally reuse the bent one, until I gave him the price on a new one. I’m anxious to see the final result Tuesday night of the repair. Quote Link to comment Share on other sites More sharing options...
MikeOH Posted September 29, 2019 Report Share Posted September 29, 2019 (edited) 3 hours ago, Hank said: Least expensive certified airplane part I've ever heard of! WOW! I'll say. I'm thinking their computer had the wrong price...I'd bet it was supposed to be $1,250! Edited September 29, 2019 by MikeOH Quote Link to comment Share on other sites More sharing options...
GLJA Posted September 29, 2019 Author Report Share Posted September 29, 2019 53 minutes ago, MikeOH said: WOW! I'll say. I'm thinking their computer had the wrong price...I'd bet it was supposed to be $1,250! Well, add in rush freight, duty, and exchange it soon becomes a $350 part! Feel better now? Quote Link to comment Share on other sites More sharing options...
BKlott Posted September 30, 2019 Report Share Posted September 30, 2019 Gee, it even came primed rather than bare aluminum. Have they finally learned? Quote Link to comment Share on other sites More sharing options...
MikeOH Posted September 30, 2019 Report Share Posted September 30, 2019 (edited) 2 hours ago, GLJA said: Well, add in rush freight, duty, and exchange it soon becomes a $350 part! Feel better now? Hey, I'm happy for you! I was already feeling better knowing someone didn't get the usual aviation price gouge. Edited September 30, 2019 by MikeOH 1 Quote Link to comment Share on other sites More sharing options...
GLJA Posted September 30, 2019 Author Report Share Posted September 30, 2019 24 minutes ago, MikeOH said: Hey, I'm happy for you! I was already feeling better knowing someone didn't get the usual aviation price gouge. I feel better putting in a new replacement rib, rather than trying to reinforce the old one. Quote Link to comment Share on other sites More sharing options...
GLJA Posted October 6, 2019 Author Report Share Posted October 6, 2019 Cut out to the rivets, then fit in the bottom portion of the skin. Quote Link to comment Share on other sites More sharing options...
GLJA Posted October 6, 2019 Author Report Share Posted October 6, 2019 Finished product, with etching primer on. Now to prep the rest of the tail. 3 Quote Link to comment Share on other sites More sharing options...
Planegofast Posted October 7, 2019 Report Share Posted October 7, 2019 Just curious, my antenna faces forward. Does the antenna work facing towards the rear? I like the look better. 1 Quote Link to comment Share on other sites More sharing options...
GLJA Posted October 7, 2019 Author Report Share Posted October 7, 2019 1 hour ago, Planegofast said: Just curious, my antenna faces forward. Does the antenna work facing towards the rear? I like the look better. Was wondering how long it would take someone to notice. Guy that did the repair was having a bad day. Had issues rethreading a couple of bolts, and fitting the top skin. I was looking through photos and mentioned that he put the antenna on backwards. Told him not to worry about it as the rudder travel isn’t affected Quote Link to comment Share on other sites More sharing options...
EricJ Posted October 7, 2019 Report Share Posted October 7, 2019 1 hour ago, GLJA said: Was wondering how long it would take someone to notice. Guy that did the repair was having a bad day. Had issues retreading and fitting the top skin. I was looking through photos and mentioned that he put the antenna on backwards. Told him not to worry about it as the rudder travel isn’t affected The radiation pattern might be affected, but you can try it and see. Quote Link to comment Share on other sites More sharing options...
gsxrpilot Posted October 7, 2019 Report Share Posted October 7, 2019 That forward facing antenna goes nicely with our forward canted tails. 1 Quote Link to comment Share on other sites More sharing options...
GLJA Posted October 7, 2019 Author Report Share Posted October 7, 2019 7 minutes ago, gsxrpilot said: That forward facing antenna goes nicely with our forward canted tails. Something to this effect??? 2 Quote Link to comment Share on other sites More sharing options...
ArtVandelay Posted October 7, 2019 Report Share Posted October 7, 2019 The radiation pattern might be affected, but you can try it and see. Won’t the tail now interfere, especially if VOR on a 90° bearing?Tom Quote Link to comment Share on other sites More sharing options...
GLJA Posted October 7, 2019 Author Report Share Posted October 7, 2019 1 minute ago, ArtVandelay said: Won’t the tail now interfere, especially if VOR on a 90° bearing? Tom Don't think the radio waves will affect the rudder at any angle ????? Are you thinking the VOR actually rotates? If that's the case, how do the towel rack ones on the 201 and up operate? Quote Link to comment Share on other sites More sharing options...
EricJ Posted October 7, 2019 Report Share Posted October 7, 2019 36 minutes ago, GLJA said: Don't think the radio waves will affect the rudder at any angle ????? Are you thinking the VOR actually rotates? If that's the case, how do the towel rack ones on the 201 and up operate? Changing the antenna orientation relative to the metal in the tail can be expected to affect the antenna pattern. On many aircraft the antenna whiskers point back, on some, including Mooneys, they point forward. Changing it may affect the sensitivity in certain directions since the tail will now be in a different place relative to the antenna. You can try it and see what happens, but you'll want to compare different orientations or directions to the VOR at the edge of the VORs range. It might work fine, but it might not. I'd be surprised if it isn't changed somehow. The main way to know that it isn't affected would be to put it back the way it was. The "towel rack" is a different type of antenna with a different installation that has been tested for it's particular configuration, so not really comparable. Quote Link to comment Share on other sites More sharing options...
GLJA Posted October 7, 2019 Author Report Share Posted October 7, 2019 4 minutes ago, EricJ said: Changing the antenna orientation relative to the metal in the tail can be expected to affect the antenna pattern. On many aircraft the antenna whiskers point back, on some, including Mooneys, they point forward. Changing it may affect the sensitivity in certain directions since the tail will now be in a different place relative to the antenna. You can try it and see what happens, but you'll want to compare different orientations or directions to the VOR at the edge of the VORs range. It might work fine, but it might not. I'd be surprised if it isn't changed somehow. The main way to know that it isn't affected would be to put it back the way it was. The "towel rack" is a different type of antenna with a different installation that has been tested for it's particular configuration, so not really comparable. AME that didn’t install it says it won’t matter. Only reasoning they are installed forward (typically not on Mooney’s), is in tail draggers. That way, you don’t take an eye out with one while doing a walk around. Either way, it’s an easy swap if there are any issues. For now, I’ve got more important things to do, like prep and paint the tail. Quote Link to comment Share on other sites More sharing options...
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