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Some Days I feel Like I can NEVER Catch a Break....>>>>

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Old 07-12-2012, 04:11 PM
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Taz_Hobbies
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Default Some Days I feel Like I can NEVER Catch a Break....>>>>

FINALLY getting to finish up my Sea Gull Ultimate 90 ARF after MONTHS of working on it 5 minutes at a time.
I go to do a final mock-up tonight to set the CG and what BS does Murphy have in store for me?

I go to fully bolt on my lower wing panels and after all this time, I now find out that the rear lower wing bolt blind nut / threaded insert is missing from the wing panel. Nope, not inside shaking around loose, NEVER installed. Plane is completely ready for final assembly and balancing, had hoped to maiden her this weekend, and once again.... I can't catch a friggin break!

Here is the video of my little discovery..... I am beyond PISSED....

http://s1125.photobucket.com/albums/...t=e2ba4488.mp4
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Old 07-12-2012, 04:39 PM
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Default RE: Some Days I feel Like I can NEVER Catch a Break....>>>>

That sucks,, a little minor surgery is in order,

I may have some metric t-nuts if you need one
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Old 07-12-2012, 05:02 PM
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Default RE: Some Days I feel Like I can NEVER Catch a Break....>>>>

OK, a setback, major issue? No... deep breath. In out in out.... Hope after a break you are feeling better...
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Old 07-12-2012, 10:17 PM
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Default RE: Some Days I feel Like I can NEVER Catch a Break....>>>>


Quote:
ORIGINAL: evan-RCU

OK, a setback, major issue? No... deep breath. In out in out.... Hope after a break you are feeling better...
Just depends on how you view it. I had the wings on and off 20 times using a single bolt for mock up. But I guess I always used the front bolt to just hold her in place. What are the odds?
And the real issue is getting the same insert, (it's not a stanard blind nut which I have thousands of), then cutting open the wing to install it. There is no access to simply and easily epoxy another insert in.

I bought another kit last night so I have spare parts. Gonna see if I can get the manufacturer to do something about that one wing panel.

Thanks for the offer scale only 4 me, I appreciate it.

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Old 07-18-2012, 10:54 AM
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Default RE: Some Days I feel Like I can NEVER Catch a Break....>>>>

Here's what I would do:

1. Tap the hole the next size up (1/4 20 maybe).
2. apply some Sumo glue to a matching NYLON bolt.
3. Screw the bolt into the newly tapped hole in the wing.
4. After the glue has dried (2-3 hours), cut the head of the bolt off, making a thread stud.
5. Using a wing-nut to screw the panel to the fuse.

Pretty simple, if you can use 1/4 20 bolts.
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Old 07-18-2012, 01:53 PM
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Default RE: Some Days I feel Like I can NEVER Catch a Break....>>>>

frieshoo, that is darn clever!!! So many ways to look at the same problem, and yours is so simple, it is elegant. You don't have to cut open the wing or match the blindnut at all with your method. I will have to remember it if I get a similar predicament. Jon
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Old 07-19-2012, 06:51 AM
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Default RE: Some Days I feel Like I can NEVER Catch a Break....>>>>

I use that method routinely when a wing bolt is located in a hard to reach area. It's a lot easier to spin on a nylon wingnut than tighten a bolt in those cramped locations.
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Old 07-19-2012, 07:44 AM
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Default RE: Some Days I feel Like I can NEVER Catch a Break....>>>>

I feel your pain! These one time deals don't bother me as much as when I am in build mode and put the exacto (glue bottle, or insert whatever tool you are using at the time) down right next to what I am working on and look away or answer the phone or something only to find that the tool I was just using got up and moved across the room all by itself. After the tool moves all by itself 3 or 4 times I know its time to stop working for the night.

Harry
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Old 07-19-2012, 11:32 PM
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Default RE: Some Days I feel Like I can NEVER Catch a Break....>>>>


Quote:
ORIGINAL: frieshoo

Here's what I would do:

1. Tap the hole the next size up (1/4 20 maybe).
2. apply some Sumo glue to a matching NYLON bolt.
3. Screw the bolt into the newly tapped hole in the wing.
4. After the glue has dried (2-3 hours), cut the head of the bolt off, making a thread stud.
5. Using a wing-nut to screw the panel to the fuse.

Pretty simple, if you can use 1/4 20 bolts.
Your idea would be excellent, except for a couple of details. To start with there is nothing to tap. The entire insert (which is metal on the other 3 locations) & plywood block where the blind nut would be, is missing, it was never installed. The only wood there is the 3/16" end rib. There is no meat there to work with. The other problem would likley be that if there was something to tap and made a stud from a wing bolt, a wing nut will not likley work/fit inside the fuse. That rear bolt access is very tight and the wing nut would need to be about the side of the head of a standard 1/4 x 20 wing bolt. Not sure that would quite fit.

But thanks for the tip. It is a great idea. I have a brand new Ultimate kit sitting on the bench. Just going to use the wing panel from that kit and hopefully get the manufacturer to replace the wing that is missing the isert & block.

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Old 07-19-2012, 11:34 PM
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Default RE: Some Days I feel Like I can NEVER Catch a Break....>>>>


Quote:
ORIGINAL: maukaonyx

frieshoo, that is darn clever!!! So many ways to look at the same problem, and yours is so simple, it is elegant. You don't have to cut open the wing or match the blindnut at all with your method. I will have to remember it if I get a similar predicament. Jon
On the outside it does sound clever, but it will not work in this case as I explained above. And to add the necessary plywood block and insert, the only way to do that at this stage is to cut open the wing panel. There is no way to even get a blind nut in there if that was all that is missing.

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