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Skylark 56 – 1966 Flashback - Build

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Old 01-22-2013, 02:41 PM
  #101
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Default RE: Skylark 56 – 1966 Flashback - Build

The 1/4” X 1/6” rib cap strips are installed, top and bottom. It is interesting how much strength the cap strips add to the ribs. Sanding the trailing edge basswood down to a fine 1/6” edge and blending in with the sheeting. Added some triangle pieces to strengthen gear block mounting and test fitting the main gear strut.

To be continued…
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Old 01-24-2013, 05:36 PM
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Default RE: Skylark 56 – 1966 Flashback - Build

Working on the wingtip block. I use the round loop X-acto router blade to carve out the block.

To be continued…
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Old 01-26-2013, 12:36 PM
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Default RE: Skylark 56 – 1966 Flashback - Build

Working on the aileron. In these images the aileron line has been cut in the sheeting and part way into the ribs with an X-acto knife.

To be continued…
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Old 01-26-2013, 12:39 PM
  #104
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Default RE: Skylark 56 – 1966 Flashback - Build

Using a very thin fine tooth hobby saw I cut through the ribs.

To be continued…
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Old 01-26-2013, 12:41 PM
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Default RE: Skylark 56 – 1966 Flashback - Build

I/16” sheet glued to the back edge of the wing.

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Old 01-26-2013, 12:45 PM
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Default RE: Skylark 56 – 1966 Flashback - Build

Aileron cut away from the center wing part and the aileron torque tube linkage. The aileron torque tube is an unused part from my Tiporare kit.

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Old 01-26-2013, 01:53 PM
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Default RE: Skylark 56 – 1966 Flashback - Build

After cutting out the aileron the wing was ready for the tip block.

To be continued…
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Old 01-26-2013, 01:57 PM
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Default RE: Skylark 56 – 1966 Flashback - Build

The back edge of the wing sanded out.

To be continued…
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Old 01-26-2013, 02:43 PM
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Default RE: Skylark 56 – 1966 Flashback - Build

The wing tip block sanded out smooth with the wing.

To be continued…
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Old 01-26-2013, 05:02 PM
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Default RE: Skylark 56 – 1966 Flashback - Build

Test fitting the aileron linkage. The nearest bay to the center of the wing on the trailing edge is filled with a balsa wedge. The extra balsa will be part of the nylon bolt mount for the back of the wing.

To be continued…
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Old 01-26-2013, 05:13 PM
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Default RE: Skylark 56 – 1966 Flashback - Build

The torque tube is countersunk into the trailing edge to get its center of rotation as near as possible to the hinge line and epoxied in place.

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Old 01-26-2013, 07:17 PM
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Default RE: Skylark 56 – 1966 Flashback - Build

The front 5/16" of the aileron was cut off and a ¼” piece added and then beveled on the top and bottom.

1/16” was cut off the front of the center tailing edge and was glued back on with a combination of glue. Epoxy glue was used where the ribs support the torque tube and yellow glue at the sheeting seams.

To be continued…
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Old 01-26-2013, 07:18 PM
  #113
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Default RE: Skylark 56 – 1966 Flashback - Build

A brass tube gizmo was made and soldered to aileron linkage for the clevis connection.

To be continued…
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Old 01-26-2013, 08:52 PM
  #114
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Default RE: Skylark 56 – 1966 Flashback - Build

Ultra sweet!!!!!

-Robert
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Old 01-27-2013, 11:20 AM
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Default RE: Skylark 56 – 1966 Flashback - Build

The top center sheeting is on. So far so good and it is building straight and true.

To be continued…
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Old 01-27-2013, 11:22 AM
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Default RE: Skylark 56 – 1966 Flashback - Build

I’m leaving the bottom sheeting off until I finish the left wing so I have access for measurements if needed.

To be continued…
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Old 01-27-2013, 11:26 AM
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Default RE: Skylark 56 – 1966 Flashback - Build


Quote:
ORIGINAL: KLXMASTER14

Ultra sweet!!!!!

-Robert
Thanks Robert. It is much fun! I haven’t used the cut out aileron process on a built up wing in decades but it seems to be going fine.
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Old 01-27-2013, 02:34 PM
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Default RE: Skylark 56 – 1966 Flashback - Build


Quote:
ORIGINAL: 8178
... but it seems to be going fine.
Mike,

When you're at the helm, it always does.

If you were to make a mistake, we would never know unless you told us.

I think I'm going to have to get me one of them balsa colored carpets..., your pictures always look great!

Can't wait to see the fuse.

David
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Old 01-28-2013, 02:08 PM
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Default RE: Skylark 56 – 1966 Flashback - Build

Here we go again! The left wing panel top front sheeting.

To be continued…
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Old 01-28-2013, 02:14 PM
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Default RE: Skylark 56 – 1966 Flashback - Build


Quote:
ORIGINAL: doxilia


Quote:
ORIGINAL: 8178
... but it seems to be going fine.
Mike,

When you're at the helm, it always does.

If you were to make a mistake, we would never know unless you told us.

I think I'm going to have to get me one of them balsa colored carpets..., your pictures always look great!

Can't wait to see the fuse.

David
Thanks for the comments David. I did almost glue one of the plywood gear mount doublers to the wrong rib but I caught it right away and got the epoxy off the rib! If you see me building two right wing panels let me know right away.

I’m looking forward to the fuselage too. I have the wood and I’m just thinking through if I want to use the G-21 46 or one of my more powerful engines.



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Old 01-28-2013, 11:04 PM
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Default RE: Skylark 56 – 1966 Flashback - Build


Quote:
ORIGINAL: 8178

I did almost glue one of the plywood gear mount doublers to the wrong rib but I caught it right away and got the epoxy off the rib!
Mike,

Glad you told us. It makes me feel a little more human. I managed to leave a stab setting with epoxy while I went to pick up my kid from school. Naturally I was late as "it always takes longer" when you're building. Needless to say, when I came back, I wasn't too happy with what I saw... But that was a while ago.

Quote:
If you see me building two right wing panels let me know right away.
We will..., in the extremely unlikely event!

Quote:
I’m looking forward to the fuselage too. I have the wood and I’m just thinking through if I want to use the G-21 46 or one of my more powerful engines.
What are the other options? Knowing how you like to set things up, I wouldn't be surprised if we wind up seeing a 55 up there.

This thread is just cookin'! You're making excellent progress.

David
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Old 01-29-2013, 10:46 AM
  #122
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Default RE: Skylark 56 – 1966 Flashback - Build

Added the lower front and tailing edge sheeting. Epoxied in the landing gear block plywood rib dubblers and gear block.

To be continued…
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Old 01-29-2013, 03:35 PM
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Default RE: Skylark 56 – 1966 Flashback - Build

Ended up using about 1/2” of dihedral under each wing tip. Just enough that it is noticeable and keep from having the straight wing look.

To be continued…
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Old 01-30-2013, 10:15 AM
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Default RE: Skylark 56 – 1966 Flashback - Build

Installing the internal aileron parts; hinge points, end caps and linkage mount before adding the top sheeting on the left wing panel.

A small cut was made at the aileron ends so I can find the ends when the top sheeting is installed.

To be continued…
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Old 02-02-2013, 08:57 AM
  #125
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Default RE: Skylark 56 – 1966 Flashback - Build

Working on the left wing panel. The top trailing edge, rib cap strips and center sheeting is on along with the 1/8” X 3/16” basswood strip on the trailing edge. The lower sheeting is not installed yet so I can add some sheer webs on the main spars.

Next, the wing tip block, sand down the basswood trailing edge, cut out and complete the aileron, install shear webs on the main spars, bottom center sheeting and make a 1/4” thick plywood center wing joiner that will fit between the upper and lower wing spar.

Sanding the basswood to an edge takes some effort but I think having a sharp hard edge is worth the extra work.

To be continued…
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