Steve Pierce
BENEFACTOR
Graham, TX
I agree, center over the rib itself.
L-21 Javron
- Thread starter avnxtek
- Start date
avnxtek
MEMBER
Michigan
My how Life gets in the way of progress
Vacation, Spring Chores around the Farm, and that Work thing
But I manage to get a few things done here and there
Tail feathers are through second coat of Eco Fill and put up until the next step
Upper baggage compartment and rear bulkhead
Fuselage cover up next
Fun Fun
Vacation, Spring Chores around the Farm, and that Work thing
But I manage to get a few things done here and there
Tail feathers are through second coat of Eco Fill and put up until the next step
Upper baggage compartment and rear bulkhead
Fuselage cover up next
Fun Fun
Attachments
avnxtek
MEMBER
Michigan
Before starting to cover the fuselage I needed a rotatory so off to the scrap pile, and this is what I came up with
I'm Working on a position brake but for now the straps hold it in place
Bottom skin going on
Started on the sides and hope to get the time this week to continue
I see fuselage tapes from minimal to over the top I have searched and can't find any guidance for them or Inspection cover placement
Again I'm sure it is builders choice any advice would be greatly appreciated
I'm Working on a position brake but for now the straps hold it in place
Bottom skin going on
Started on the sides and hope to get the time this week to continue
I see fuselage tapes from minimal to over the top I have searched and can't find any guidance for them or Inspection cover placement
Again I'm sure it is builders choice any advice would be greatly appreciated
Attachments
Steve Pierce
BENEFACTOR
Graham, TX
Here is a link with the Piper drawing.
http://www.supercub.org/forum/showthread.php?51053-Location-of-inspection-cover-grommets
http://www.supercub.org/forum/showthread.php?51053-Location-of-inspection-cover-grommets
mike mcs repair
Registered User
chugiak AK
Add more than they show. Under every pulley, brake masters, rudder pedals anywhere you might need to do WORK. Then only cut them out if you need to do work there.
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Steve Pierce
BENEFACTOR
Graham, TX
Yep, I put inspection grommets under the brake pedal, a rectangle like Piper did under the rear stick to reach the Aileron's cables and two under the two elevator cable pulleys.
Attachments
Steve Pierce
BENEFACTOR
Graham, TX
I also install a grommets where the brake line comes out of the fuselage. Piper used an aluminum fairing there on the later Super Cubs which I cannot locate anywhere so my friends Chris and Tony made me some spares out of carbon fiber off a set of aluminum ones I have for this Super Cub I am rebuilding.
Attachments
skywagon8a
MEMBER
SE Mass MA6
https://www.faa.gov/documentLibrary/media/Advisory_Circular/AC_43.13-1B_w-chg1.pdf
Page 2-9
(5) For an overlapped and doped seam on the perimeter of a wing (except a leading edge), perimeters of wing control surfaces, perimeters of empennage surfaces, and all areas of a fuselage, on aircraft with a Vne speed up to and including 150 mph, overlap the fabric 1 inch and cover with a finishing tape that is at least 3 inches wide, centered on the outside edge of the overlap seam.
Page 2-9
(5) For an overlapped and doped seam on the perimeter of a wing (except a leading edge), perimeters of wing control surfaces, perimeters of empennage surfaces, and all areas of a fuselage, on aircraft with a Vne speed up to and including 150 mph, overlap the fabric 1 inch and cover with a finishing tape that is at least 3 inches wide, centered on the outside edge of the overlap seam.
avnxtek
MEMBER
Michigan
Thanks for the reply. Skywagon8a
43.13-1B acceptable methods and techniques and practices. Used when no manufactures guidance is provided
i see the drawing referenced above thanks Steve. Shows 2". I also have an L21 drawing that doesn't specify at least I can't find it anywhere.
Just trying to see what others have done.
Again my first kit lots of dumb questions to come
skywagon8a
MEMBER
SE Mass MA6
Measure from the center line of the spine to the edge of the overlap. If it's close to 1 inch you will be happier using the 3" tape as it will blend in smoother with the fabric.
Tape the leading edge of the fin first so that the fuselage spine tape will overlap the fin's tape. Blending the fuselage/fin junction can be a challenge.
avnxtek
MEMBER
Michigan
Question for the Stewart System Experts
The latest manual Tells me to cut the E610 EcoBond 3-1 with distilled water and apply over the fabric. I did this with the Tail feathers and am happy with the results.
The manual also says that you can apply EcoFill without EcoBond First ??
From what I have been able to gather this change was made to improve cooler temp. application
All of the videos I have seen go straight to EcoFill
So Do I Don't I?
What have others done?
Any other explanations for this manual change?
The latest manual Tells me to cut the E610 EcoBond 3-1 with distilled water and apply over the fabric. I did this with the Tail feathers and am happy with the results.
The manual also says that you can apply EcoFill without EcoBond First ??
From what I have been able to gather this change was made to improve cooler temp. application
All of the videos I have seen go straight to EcoFill
So Do I Don't I?
What have others done?
Any other explanations for this manual change?
avnxtek
MEMBER
Michigan
wow must not be many Stewart systems users
anyway I went buy the book and got to the second brush on coat of Eco fill
First Eco bond to fill the weave of the fabric. Brushed on in multiple directions and a very thin coat this stuff will run!
I kept the surface flat until it tacked up
Eco fill goes on real nice again I kept the surface flat until tacky and moved on
I'm learning as I go and I hope this might help someone
anyway I went buy the book and got to the second brush on coat of Eco fill
First Eco bond to fill the weave of the fabric. Brushed on in multiple directions and a very thin coat this stuff will run!
I kept the surface flat until it tacked up
Eco fill goes on real nice again I kept the surface flat until tacky and moved on
I'm learning as I go and I hope this might help someone
Attachments
Gordon Misch
MEMBER
Toledo, Wa (KTDO)
First coats have to go on light, or they will for sure run! Furthermore, I've learned the hard way to not depend on flat orientation to accommodate putting the material on heavy. I ran into adhesion issues doing that.
I've found that with Stewart's if I don't try to rush it, it works great. Fortunately EcoFill sands pretty well if (when!) needed.
I've found that with Stewart's if I don't try to rush it, it works great. Fortunately EcoFill sands pretty well if (when!) needed.
skywagon8a
MEMBER
SE Mass MA6
Your first question was for experts. I've used it and like it but am certainly not an expert. I would need to get out the book again when I use it the next time. It's different than nitrate dope on Irish linen which is what I'm used to.
avnxtek
MEMBER
Michigan
Yup should have used the words Stewart System users.
Maybe I would have a few more responses
going by the book and learning the system. Happy with the results sofar
it's all fun
avnxtek
MEMBER
Michigan
avnxtek
MEMBER
Michigan
Cool seats! You making everything on this cub
Fun watching your build.
Thanks Flylow
It is my goal to do everything possible myself with this build
mike mcs repair
Registered User
chugiak AK
When I was 17 I made a complete new interior for a car I was given before I even tried to get it running. Luckily my step fathers friend had a boat upholstery shop and gave me a few pointers and ordered the material for me in Naknek. My mom taught me how to sew when I was 5. Only one rule don’t sew over a finger. That was about it. Still have her sewing machine. And a monster fast big singer from the sail boat days.
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Sounds familiar. Mom and I made the headliner for my first car, a 53' Buick. The machines I have are her old units. I was a hammerhead when I was younger, results were the most important, learning and remembering how to repeat them 30yrs or so later seemed less important at the time. Mom and Dad are still around, hoping to get them involved in my snail's pace build. Again, very nice stuff avnxtek!
avnxtek
MEMBER
Michigan
Thanks Jim, Mike (and don't look to close)
i remember doing some projects with Mom when I was young then in the 90s we had a 172C and the seats were falling apart so I got the old machine from Mom and made covers, at that time making them was the only option and they turned out pretty good. Still have that machine also. I found this big machine for this project and I think I could sew plywood together with this thing! And it can be way to fast if you don't watch it. Just like most things Prep,Prep, Prep and patience and you can do it.
and it's all fun
i remember doing some projects with Mom when I was young then in the 90s we had a 172C and the seats were falling apart so I got the old machine from Mom and made covers, at that time making them was the only option and they turned out pretty good. Still have that machine also. I found this big machine for this project and I think I could sew plywood together with this thing! And it can be way to fast if you don't watch it. Just like most things Prep,Prep, Prep and patience and you can do it.
and it's all fun
