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EON Olympia 419

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RobbieB
Posts: 607
Joined: 07 Mar 2015, 22:22
Location: North West

Re: EON Olympia 419

Post by RobbieB »

B Sharp wrote:
01 Jun 2021, 15:25

'.....................There will be no further posts for a little while as I am heading off to rediscover the very north of my country'

Brian. :shock:
Brian, I think I can put your mind at rest there and save you quite a journey - it's still there (nice to see John's Oly getting a new lease of life - seen a few campaigns has that one).

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B Sharp
Posts: 830
Joined: 19 Mar 2015, 17:18
Location: Perthshire

Re: EON Olympia 419

Post by B Sharp »

Thanks Robbie, I'm going to do my best to do it justice. I just hope that I don't scare the pants off John in the process.
Brian. :?

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B Sharp
Posts: 830
Joined: 19 Mar 2015, 17:18
Location: Perthshire

Re: EON Olympia 419

Post by B Sharp »

When I returned from my vacation in the far north I was delighted to find that a large roll of Diacov1000 had been delivered.
As I had never used this material before, and there were no application instructions, I decided to try a couple of test pieces. I found it was better to use a higher heat setting than usual, around 140deg. I started on the left tailplane section and found the Diacov went onto the bare timber very well and was exceptionally pliant around the compound curves at the wing tips. I have now completely covered all the tailplane components and shrunk tight the open sections. I still have to fix the trim tabs back onto the rear of each tailplane half but I am very happy with the end results so far.
I will be leaving them unpainted until the rest of the wings are repaired and covered as I want to see if any bubbles appear in the covering and whether it all stays taught.
Brian.
Attachments
Left TP completely covered with Diacov1000
Left TP completely covered with Diacov1000
Centre section ready for trimming.
Centre section ready for trimming.
The complete tailplane completely covered.
The complete tailplane completely covered.

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B Sharp
Posts: 830
Joined: 19 Mar 2015, 17:18
Location: Perthshire

Re: EON Olympia 419

Post by B Sharp »

The left wing is now completely stripped of paint and the underlying layer of tissue and is now a bare wood surface.

I started the repairs with a skin insert over the existing aileron servo hatch. I was pleased with the result and it will only require a minimum of filler to provide a smooth surface for covering.

I have been contemplating the best method to re-skin the long cut-out in the leading edge sheeting. The difficulty is matching up the existing 1/64 ply edges with a new 1/64 ply patch. Sitting with a glass of Scottish Falling Down juice the other evening I came up with a “cunning plan” (thanks Baldrick). The rear edge of the patch would be supported with balsa inserts located between the ribs and under the edge of the existing wing skin. The 1/64 patch would have plywood tongues at the front edge to slot under the existing front skinning. I made up a test piece of 1/64 patch material and fitted it into place where it was a very accurate fit – problem solved.

So today I will set about cutting out the remaining patches.

Brian.
Attachments
Old servo hatch patched.
Old servo hatch patched.
Balsa inserts fitted along rear of the hole.
Balsa inserts fitted along rear of the hole.
Test piece ready to be slotted into place.
Test piece ready to be slotted into place.
Test piece in its final location.
Test piece in its final location.

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