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Slingsby T.50 Skylark 4

Let us all watch your new project progress.
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B Sharp
Posts: 775
Joined: 19 Mar 2015, 17:18
Location: Perthshire

Re: Slingsby T.50 Skylark 4

Post by B Sharp »

I have spent a few happy hours this week in the company of a sheet of 1/8 ply and my Dremmel jigsaw. As a result I now have a pile of plywood parts required to build my Skylark fuselage. With reference to Ciff’s comments regarding hand drawn versus CAD plans I am under no illusions that I will require to do a fair amount of fettling on these formers once assembly has started.
There should be a couple of images below with the pile of cut wood and also the “Robbie” jig set up with the upstand supports fitted ready for the construction to begin.
Brian. :)
Attachments
All the fuselage plywood pieces ready for fitting.
All the fuselage plywood pieces ready for fitting.
The "Robbie" jig ready for use.
The "Robbie" jig ready for use.

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B Sharp
Posts: 775
Joined: 19 Mar 2015, 17:18
Location: Perthshire

Re: Slingsby T.50 Skylark 4

Post by B Sharp »

I have now mounted the formers on the jig and added the top and side longerons and few of the other ply parts. There was not too much adjustment to do to the structure and the whole lot have been glued in place with cyano. The structure is all nice and square and feels quite ridgid.
Brian. :)
Attachments
Structure all glued up on the jig.
Structure all glued up on the jig.
SL4_010.JPG

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B Sharp
Posts: 775
Joined: 19 Mar 2015, 17:18
Location: Perthshire

Re: Slingsby T.50 Skylark 4

Post by B Sharp »

This afternoon I completed the tailplane mounting and was soooooo pleased to find it sits straight and true.
I have now started on the task of fettling the formers so that the 1/8 balsa sheeting will fit smoothly. A few require to be reduced in places while a couple require to be packed out a little.
Brian. :) :) :)
Attachments
Tailplane now bolts neatly in place.
Tailplane now bolts neatly in place.

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B Sharp
Posts: 775
Joined: 19 Mar 2015, 17:18
Location: Perthshire

Re: Slingsby T.50 Skylark 4

Post by B Sharp »

I'm back from vacation and the build continues.
The next task was to frame up the fin, to sheet it and then to add leading edge and top capping. I was dreading this task as it would be very easy to build it squint. However by taking my time and being verrrrrrry careful it all came out straight and true. There are some images of the process below.
Brian :)
Attachments
The basic fin skeleton.
The basic fin skeleton.
Sheeted and with LE added.
Sheeted and with LE added.
A trial fit of the completed fin.
A trial fit of the completed fin.

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B Sharp
Posts: 775
Joined: 19 Mar 2015, 17:18
Location: Perthshire

Re: Slingsby T.50 Skylark 4

Post by B Sharp »

I have got a bit more done to the fuselage this afternoon. I have coaxed some of the 1/8 medium balsa sheeting round the front section of the fuselage with the aid of lots of pins and a bit of water on the outside of the sheeting. Pins out this evening and a little bit of sanding done.
Brian. :)
Attachments
The sheeting started on the fuselage.
The sheeting started on the fuselage.

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B Sharp
Posts: 775
Joined: 19 Mar 2015, 17:18
Location: Perthshire

Re: Slingsby T.50 Skylark 4

Post by B Sharp »

Another little bit of work done this morning. I have cut and loose fitted the trays for the receiver, rudder/elevator servos and the aerotow servo. These will be finally glued in place once the fuselage sheeting is complete.
Brian. :)
Attachments
SL4_016.JPG

Jolly Roger
Posts: 427
Joined: 30 May 2015, 20:35
Location: Sutton Bank, North Yorkshire

Re: Slingsby T.50 Skylark 4

Post by Jolly Roger »

Coming along nicely Brian. Pristine carpentry as always.

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B Sharp
Posts: 775
Joined: 19 Mar 2015, 17:18
Location: Perthshire

Re: Slingsby T.50 Skylark 4

Post by B Sharp »

It has been a little while since I last posted but life keeps getting in the way of progress. I now have most of the fuselage sheeted, planked and sanded down. The section at the nose has been left open until I have applied some glass fibre reinforcement to the inside of the fuselage over the first few bays. That’s going to be my task in the next few days.
Brian. :)
Attachments
SL4_017.jpg
SL4_018.jpg

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Simon WS
Posts: 280
Joined: 18 Mar 2015, 11:39
Location: Kent, UK

Re: Slingsby T.50 Skylark 4

Post by Simon WS »

Loving the order there Brian - you put us all to shame!

Simon

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B Sharp
Posts: 775
Joined: 19 Mar 2015, 17:18
Location: Perthshire

Re: Slingsby T.50 Skylark 4

Post by B Sharp »

Tidy is the only way I can find stuff Simon.
Brian :D

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