Hostetler 113in Super Chipmunk

Tseres

Whiny Old Man
Back to the wings. Finished up both servo trays.
Greg wanted lights. It was an afterthought but things are working out.IMG_7603.jpg IMG_7607.jpg IMG_7609.jpg
 

Tseres

Whiny Old Man
Mounted the light in the tail of the plane and the other wing. Then packaged them back up for installation after paint.

I decided to surprise Greg and put the major panel lines in with some rivets. As nice as this plane is looking. I decided it deserved rivets.

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Tseres

Whiny Old Man
The weather is the worst of the season. Had to think twice before walking out 50 ft. to the shop.
First I put some primer over the rivets from yesterday. I realized that I was jumping the gun a little. I needed to work the joint line between the wing and the fuse. So I'm back to puttying and sanding. Looks pretty good.

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Tseres

Whiny Old Man
While meditating, it came to me that I forgot to cut a hatch for the switches and the fuel and smoke oil dots. I made a hatch to cure the problem.
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Tseres

Whiny Old Man
Details. Details. Details. And I don't even have a 3D printer. All I have is a picture. GPS Pod.

Access Door is in Rough primer.

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Tseres

Whiny Old Man
IMG_7642.jpg IMG_7639.jpg IMG_7640.jpg Started to make the Radio Antenna but I'm undecided on how to make it removable and still be able to leave it on for flying. Must be easy to remove.
Meanwhile I got the panel lines on the top of the wings and most of the rivets on.
 

Tseres

Whiny Old Man
Made up the antenna mount. It's removable.
:) Since I don't have a lathe. I improvised and turned my drill press into one.
Also started laying out the panel lines and marking the rivets on the Vertical Stab.

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Tseres

Whiny Old Man
It's slow going. Managed to find some info on the bottom panel lines. Still looking for better pictures. I did find a good side view however. I have the rivets on the bottom of both wing panels and took them off the plane so I can work on the fuse.

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Tseres

Whiny Old Man
All my panel lines are in the right spot. Rivet lines are in the right spot. one disclaimer. Not all the rivet lines are in there. Sometimes one must make a decision as to what looks good. Once it's painted, you can't tell from 14 feet.

Here is a bunch of rivet pictures. Lets see if your eyes get crossed.
:)

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Tseres

Whiny Old Man
I'm in, this is quite an undertaking! Looks like the plans need some revisions. I've had CG, World Models, Ohio r/c (Super & Pepsi) Chipmunks and enjoyed them very much. I'm enjoying the photos and comments. Curious to know if this planes plans show washout on the wings? Will you keep the scale amount of dihedral or lessen it? Looking forward to your build. Thanks for sharing and great progress!
I'm sorry but I somehow missed this back in July. The washout is set with tabs on the ribs. As far as the dihedral. I don't know what the full scale is supposed to be. However I think Hostetler is using the scale dihedral.
 

Tseres

Whiny Old Man
I think it has the Measles. "This plane is Sick!"
All the measles dots are on the fuse. Got the bottom primed. Tomorrow I'll prime the top.

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Tseres

Whiny Old Man
I installed and remover some #2 X 1/4 button head Philips screws. Just a little more scale touch. These screws are unpainted on the full scale so they will be re installed after painting the plane.
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Tseres

Whiny Old Man
While I was down visiting Nathan with the chipmunk. I found out that the ruder, elevators and Ailerons are fabric covered. Since I had them built already. I was just going to put rivets on there to make them look good. But I just couldn't stand it and decided to put stitching over what I already had.

While I'm not finished with the stitching on the flying surfaces. this is how I made up the stitching for the Chipmunks.The tape stays on and gets covered. I'll cover them when I have some pinking tape made up.

First I made a grid on some scrap drywall. I'm using 1/2 in spacing. Then I taped down a couple of strips of masking tape. Sticky side up. This is the cheap 2 in roll. I use this because they are thinner then the painters tapes. I have some heavier string that you can buy at your local fabric store. This is what I use for stitching on the cockpit combing on my WW-I planes. Just lay the string down and press gently to keep them in place.

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Tseres

Whiny Old Man
This is the time in the build that I don't look forward to. However I'm learning a lot about Chipmunks and that offsets tings. I'm making pinking tape for the first time. I can honestly say that it is not one of my favorite things to do. All the stitching is on. I took a close look at how the flying surfaces were built. This helped in putting the rivets and the stitching in the proper places. Now I just have to plug my way through the rest. All that's left to do is the pinking tape. I made it out of Coverite that I picked up at the Madison County Swap Meet.

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Tseres

Whiny Old Man
I finished up the little screws. There are 237 in the box. That's more then I need but you never know when your going to drop one and cant find it.
I messed up Nathans signature with the clear cote. Going to have to make a trip to Kentucky whenever Nathan is home and remedy the problem.
Trying to make a frame for the landing gear fairings. This is turning out to be more difficult then I thought. It is hard to clamp wood around the legs. I may have to use some silicone to keep things in place. Still learning. There are no templates for this so I have to make them myself.

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Tseres

Whiny Old Man
Took me a few days but I come up with something that I like. Made a new fairing bracket and added a dowel to the wing to keep it from rotating. Much better design. Removable and repeatable. :) I'm happy now so I can move along with the other side.

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Tseres

Whiny Old Man
Spent most of the day sanding on the fuse.
I glued in some ply inside the wheel pants. This will hold the T-nuts to mount them.
Got the Windshield and canopy ready for the outside fiberglass frame. I didn't like how things were fitting and this is the best way to fix it. Besides it will look better. Mold release should be here tomorrow.
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Tseres

Whiny Old Man
My friend Bill Dewitt stopped by with a gift from his Tackle box. A little ball for the tip of the antenna. Looks just about perfect on there. Since I was out there, I tried my hand at fiber glassing the windshield frame. 2 layers of 4 oz. and one layer of 3/4 oz. cloth. Now I have to let it dry to see if it worked.

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