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Old May 02, 2015, 01:01 PM
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Fortunately, 5.75 oz of lead shot fit OK in the hollowed nose block.
Slow epoxy and filler will be used to glue the shot in place.
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Last edited by shinck; May 02, 2015 at 07:09 PM.
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Old May 06, 2015, 05:25 PM
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Looking good Scott! Glad to see that you are still at it
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Old May 06, 2015, 06:13 PM
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thanks Red

Next up is to clear a spot and rub filled epoxy all over balsa fuse for final smoothing and contouring.
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Old May 09, 2015, 12:27 PM
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Fuselage Prep

The filling, sanding, covering, and finishing of the fuselage is done as per suggested by clubmate quickee/Ron Mendel, who has been doing really nice finishes for a long time.

Mix up slow epoxy and filler (see photo below for what I used) and slather it over the bare balsa with a gloved hand.

Later photos will show sanding with drywall paper, starting with 120 grit. The rounded areas are sanded as if you were polishing shoes with a cloth (if any of you remember doing that!). The reason for all this is to get rid of the facets caused by the glue joints in the balsa planking.

I will then go to a finer paper before covering with lightweight glass and epoxy. Then more sanding to ready for paint. Maybe it will be ready by the end of next week?!?
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Old May 12, 2015, 12:21 PM
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While sanding, there are several ways to hold the fuselage steady—bags of lead shot or sand with a cushion between them and the fuselage, a variable cradle for sides and top/bottom, or a jig fixture. As I already had some jigs made (see earlier post) I decided to use them, with heavy clamps on each of the three to limit them moving around.

For sanding I used whatever worked on different parts of the fuselage—120 screen, 150 open coat sheet, and different lengths of sanding bars with medium grit attached. Most of the sanding was done at cross-grain angles. Oh, and wear a dust mask!

The photo shows one side of the fuselage almost done except around the wheel; that took about 2 hours. I can’t feel any planking lines and most of the filled epoxy mixture has been sanded off. The goal is to see the wood grain without exposing bare wood, thus minimizing weight gain while getting a smooth surface.

Now to finish both sides and the fin before worrying about covering with light glass cloth.
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Old May 14, 2015, 01:19 PM
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No photo this time, but I spent the morning sanding the rest of the fuselage. Looks and feels really nice. There are 3-4 small areas that need some filler before going to the next step of glass covering.

I will be getting out of sequence for a while to work on other parts.
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Old May 15, 2015, 10:52 AM
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I decided to take a detour and put some graphics on the painted wings. Good thing I did because the flame on the top of the wing is too large. I will have to get it recut at 86% of the first one to make it look more accurate. This was my fault; should have waited until the structures were done before ordering graphics or used the Charlesworth plan and done better planning--always learning!

I started on the bottom of the wing first. Orientation is a little different.
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Old May 16, 2015, 09:49 AM
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Old May 16, 2015, 10:38 PM
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Looking really good Scott. Looking forward to seeing it this year at the Aerotows (if the weather ever cooperates, that is - lol).

Solo
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Old May 16, 2015, 10:47 PM
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Thanks, Chris.

I just added it up: 5 events including 3 aerotows, all cancelled by weather
The only aerotow we had (which was a good one!) was in the middle of the week for "old" and retired guys or those with flexible employers (sometimes themselves)
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Old May 19, 2015, 10:42 PM
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I am getting better on wrapping vinyl graphics around compound curves—not perfect, but better. After the vinyl is in place, I set the sealing iron to around 150F°. Then start at the edge of the adhered vinyl and rock the iron gently side-to-side while rolling it over the compound curve. I only work on maybe an inch at a time. Works slick, no creases or bubbles.
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Old May 20, 2015, 02:38 PM
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Where's the lift?
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Nice tip, Scott! I will be using this on future projects.
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Old Yesterday, 09:59 PM
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Quote:
Originally Posted by dgliderguy View Post
Nice tip, Scott! I will be using this on future projects.

You're welcome Don.


The stab/elevator has been hinged, connected to the servo in the stab, and checked for proper movement. The fake elevator trim tab has also been completed.
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