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| Drain Holes For Fabric Covering https://warbirdinformationexchange.org/phpBB3/viewtopic.php?f=26&t=28624 |
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| Author: | A2C [ Sun Mar 15, 2009 12:40 am ] |
| Post subject: | Drain Holes For Fabric Covering |
Hello Folks: Anyone know how to put drain hole fasteners in on fabric covered surfaces? Anyone have nomenclature for this? Thanks, |
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| Author: | skymstr02 [ Sun Mar 15, 2009 4:33 am ] |
| Post subject: | |
Its called a grommet, and they are usually doped on to the clear coats under the pigmented coats. |
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| Author: | Obergrafeter [ Sun Mar 15, 2009 10:35 am ] |
| Post subject: | |
Glue the grommets in like DZ says. There are two types, plain round, and sea plane grommets that have a reverse scoop on them. After you complete the flying surface you burn through the fabric (If man made) with a soldering iron. |
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| Author: | A2C [ Sun Mar 15, 2009 12:33 pm ] |
| Post subject: | |
Hello Folks: That's good to know, but what's used when you want to go through 1 layer of fabric and 1 layer of sheet metal? Thanks a lot. |
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| Author: | N3Njeff [ Sun Mar 15, 2009 8:41 pm ] |
| Post subject: | |
A2C wrote: Hello Folks:
That's good to know, but what's used when you want to go through 1 layer of fabric and 1 layer of sheet metal? Thanks a lot. Drill bit, just go slow through the fabric where the gromet is. |
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| Author: | A2C [ Sun Mar 15, 2009 10:30 pm ] |
| Post subject: | |
Hi Jeff: No, that's not it. It's looks like a rivnut that fastens the farbic to the metal. I was just wondering it there is something else used that looks a little like a rivnut. Thanks |
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| Author: | bdk [ Sun Mar 15, 2009 10:49 pm ] |
| Post subject: | |
This is on a T-6? Do you have a photo of the area? |
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| Author: | Obergrafeter [ Mon Mar 16, 2009 8:34 pm ] |
| Post subject: | |
Move the grommet away from the metal (or just glue another on) |
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| Author: | A2C [ Mon Mar 16, 2009 9:54 pm ] |
| Post subject: | |
Can't be done. Basicly it's similar to a rivnut. |
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| Author: | Obergrafeter [ Mon Mar 16, 2009 10:48 pm ] |
| Post subject: | |
On a T-6? Doesn't sound familar, like BDK says send photo and prove us wrong. |
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| Author: | A2C [ Tue Mar 17, 2009 12:05 am ] |
| Post subject: | |
Sorry too lazy to take a picture..I don't want to prove anything, just needed an answer to that. I think I'll call my hardware supplier, and see if he knows. Thanks! |
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| Author: | RandolphB [ Tue Mar 17, 2009 1:43 am ] |
| Post subject: | |
For the Acceptable Method, consult the AC 43.13-1B; Section 2-14 "Inspection Rings and Drain Grommets". Found on Pages 2-22 and 2-23. If you don't have the text, it can be downloaded from the FAA website for free. If downloading just the chapter needed, it would be "Chapter Two- Fabric Covering." |
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| Author: | Seafury1 [ Sun Mar 29, 2009 6:48 pm ] |
| Post subject: | |
Also, if you are using Poly Fiber, you can use poly tack to put the grommet up and a small soldering iron to burn a hole through the fabric. If the fabric is on sheet metal, you may not even need a grommet. consult the poly-fiber book. |
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| Author: | don [ Sun Apr 05, 2009 8:25 pm ] |
| Post subject: | Drain Hole isn Fabric |
Suggest you not use grommets. Just use soldering iron to make hole. Over time, the grommets come unstuck. Grommet are a carry over from the cotton days. |
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| Author: | A2C [ Sun Apr 05, 2009 11:01 pm ] |
| Post subject: | |
I hate to say it, but all the responses miss the mark. The fabric is over metal. The metal is enclosed, and so the drain hole is similar to a rivnut and goes through the fabric and metal. All I was asking is if anyone knows excactly the type of fastener/drain reinforcement used. |
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