Precedent T180 Restoration

Klipkopwildlife
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I'm supposed to be retired!

02 Jul 2021 08:00 #31 by Klipkopwildlife

Replied by Klipkopwildlife on topic Precedent T180 Restoration

Once you have mounted the servos, take the screws out again! Then put a drop or two of Cynano in the hole to strengthen it.

Do it now, you may never get another chance

Thanks: squareflux

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squareflux
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03 Jul 2021 16:43 #32 by squareflux

Replied by squareflux on topic Precedent T180 Restoration

I love get stuff delivered :lol:

Time to start the wing rebuild.

Thanks: Klipkopwildlife, Quorneng

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paul d
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04 Jul 2021 09:32 #33 by paul d

Replied by paul d on topic Precedent T180 Restoration

Nice one...what shop you using?

balsa is best.

Thanks: Klipkopwildlife, squareflux

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squareflux
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04 Jul 2021 09:36 #34 by squareflux

Replied by squareflux on topic Precedent T180 Restoration

There's a local shop that can order in most things for me, but I ordered these from Sussex Model Centre.

Thanks: Klipkopwildlife

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squareflux
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04 Jul 2021 09:49 #35 by squareflux

Replied by squareflux on topic Precedent T180 Restoration

Is it advisable to thin the resin to make it easier to paint on with a brush, or just use it as is without thinning?

I watched a video of someone using this same resin, on a wing joint, and it looked quite thick to apply, and needed a lot of work.

But I've also watched some glassing guides where it's thinned with rubbing alcohol, and goes on easily with a brush.

I've used fibre glass quite a while ago, on a large mould, and the resin wasn't thinned then. But I don't want to mess this job up.

Thanks: Klipkopwildlife

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paul d
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04 Jul 2021 09:52 #36 by paul d

Replied by paul d on topic Precedent T180 Restoration

I wouldn't thin it but a little warmth will thin it although it will start to cure quicker.

balsa is best.

Thanks: squareflux

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Flytilbroke
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Not Tired, long retired "Bob"

04 Jul 2021 17:35 #37 by Flytilbroke

Replied by Flytilbroke on topic Precedent T180 Restoration

Certainly use the three mil' ply. When mounting the servo's it is worthwhile drill the guide holes for the screws then give a drop of thin cyano' to them. when fully set re-drill and mount them.

Have a nice Day, unless I don't like you.

Thanks: Klipkopwildlife, squareflux

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Eric
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04 Jul 2021 18:51 #38 by Eric

Replied by Eric on topic Precedent T180 Restoration

Square -
If you paint some resin onto the bare wing first, in the area you are going to glass, then put the glassfibre on, and stipple it in well, adding a bit more resin on if needed, you get a better 'wetting'.
Any white patches you see are air bubbles, and need eradicating!

if you are calm and collected when all about you are going berserk - you've missed something important!

Thanks: Klipkopwildlife, squareflux

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Klipkopwildlife
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05 Jul 2021 07:52 #39 by Klipkopwildlife

Replied by Klipkopwildlife on topic Precedent T180 Restoration

There's no reason why you shouldn't thin it, smell it first to see what the base is, in the old days it was always Lacquer thinners or Acetone. You can always take a piece of scrap and do a test to see how well it goes on.

Do it now, you may never get another chance

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squareflux
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07 Jul 2021 13:07 - 07 Jul 2021 13:09 #40 by squareflux

Replied by squareflux on topic Precedent T180 Restoration

I've started mocking up the servo plates. Nothing is glued together yet.

The plate is 3mm ply. The supports that the servo would be screwed to are thick balsa.

I'm also going to add a couple of spars in the wing that the plate would screw into, these are also balsa.

So my questions, is balsa strong enough to screw the servo and plate to, or should I use ply?

Is this mock up good in terms of the layout of the supports?

Last edit: 07 Jul 2021 13:09 by squareflux.

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Eric
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07 Jul 2021 14:12 #41 by Eric

Replied by Eric on topic Precedent T180 Restoration

Hard balsa for the spreader plate is ok, but I'd use ply or spruce for the blocks that take the screws. Balsa will split through the grain.

if you are calm and collected when all about you are going berserk - you've missed something important!

Thanks: Klipkopwildlife, squareflux

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squareflux
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07 Jul 2021 15:53 #42 by squareflux

Replied by squareflux on topic Precedent T180 Restoration

Ok, thanks. I've got some ply so I'll use that instead.

Is CA ok for holding this all together, or is 5 minute epoxy the one to use?

I'm sure I could find some guides on youtube, but it's also a minefield.

Thanks: Klipkopwildlife

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paul d
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07 Jul 2021 16:32 #43 by paul d

Replied by paul d on topic Precedent T180 Restoration

epoxy or pva, as far as Im concerned cyno and balsa don't mix.

balsa is best.

Thanks: Klipkopwildlife, squareflux

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squareflux
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07 Jul 2021 16:35 - 07 Jul 2021 16:43 #44 by squareflux

Replied by squareflux on topic Precedent T180 Restoration

Oh, ok. Quite a lot of build videos I've watched use it.

I've got some Gorilla Wood Glue, the white stuff, so I'll use that.

Last edit: 07 Jul 2021 16:43 by squareflux.

Thanks: Klipkopwildlife

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paul d
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07 Jul 2021 19:04 - 07 Jul 2021 19:09 #45 by paul d

Replied by paul d on topic Precedent T180 Restoration

That stuff is great!! cyno drys very brittle, pva has a little flex as does rapid epoxy.

balsa is best.

Last edit: 07 Jul 2021 19:09 by paul d.

Thanks: Klipkopwildlife, squareflux

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Precedent T180 Restoration