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Sabre made in Belgium

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dirk tinck18/05/2020 22:52:43
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631 forum posts
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Has someone given these a chance to sit on there wings?

I have now but in fact it was a little too late...

It's hard to find the rib position when the wings are sheeted ,but i did...

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dirk tinck26/05/2020 22:29:38
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631 forum posts
866 photos

Hi guy's ,no progress i'm afraid due to the restart and maintaining my daily business.

This covid thing has left us with nothing but rules and restrictions. The two months of lockdown has the work stacked up so much that the shop is filled with cars leaving me no free hours to work on the Sabre.

I truly hope it's only for a short time.

I'm pleased that the mass build weekend is delayed so i can finish the sabre in time.

Cheers,Dirk.

Phil Cooke26/05/2020 22:55:11
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2596 forum posts
1824 photos

I hope you find a workable median between recommended protocol and operational output Dirk - you will soon be up and running I'm sure and rest assured - there is plenty of time to finish the Sabre before the rescheduled dates.

Good to see your work is stacked up and awaiting your return - not so still in the civil aerospace business with so many planes still grounded and airlines unsure how to recommence flight ops!

Stay strong and well Dirk, best wishes!

McG 696927/05/2020 07:29:36
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3252 forum posts
1236 photos

Try not to worry too much about it, Dirk.

Your workshop operations just must have the priority now, the rest will come later.

As Phil wrote, you will have plenty of time for the Sabre later on.

Keep up the mojo and stay safe, young man.

Cheers

Chris

dirk tinck31/05/2020 00:22:13
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631 forum posts
866 photos

Thanks for the encouraging posts gents, i needed that.

I found a few hours to get the ailerons ready to glue in the wing. First i painted the leading edges and sides because i hate it when you see these area's unpainted when the ailerons are deflected. When dry i glued them in with 30 min.epoxy. Checking the throw, one side needed a little sanding with the sandpaper between wing and aileron. (Rough side facing wing).

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X

dirk tinck01/06/2020 15:08:25
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631 forum posts
866 photos

Now that the wing and fuse are ready to paint, there's no exuse anymore, i have to tackle the painted scallops on the fuse.

I placed a transparent paper on the fuse and drew the desired sceme on it. I need to get this on low tack masking film and cut it out.

Anyone has a better option ??

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Phil Cooke01/06/2020 15:58:11
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2596 forum posts
1824 photos

Dirk, I think I would be tempted to cut a stiffer template for the main central 'swoosh' and the associated half rads only out of thin acetate or plasticard, using your top and bottom gun ports as a datum to overlay accurately each side.  These could be pinned in position at the front and back to enable you to trace around. The upper and lower radii can then be drawn in from that with simpler references to either the canopy frame at the top and the wing dowel face at the bottom.

Edited By Phil Cooke on 01/06/2020 16:05:50

dirk tinck01/06/2020 17:52:04
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631 forum posts
866 photos

Not sure i got this...either way,the curves are too tight to follow with fine line tape.

I think i'll cut out the transparent paper and trace around it on masking film...

For the oposite side i just need to turn it around and again trace around it on film.

McG 696901/06/2020 18:45:01
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3252 forum posts
1236 photos

Hi Dirk & Phil,

I'm afraid I can't really be of help here. blush

But if even the smallest masking tape can't do the job as the curves are too tight, I guess the only reasonable approach will be low tack masking film.

Cheers

Chris

Alan Gorham_02/06/2020 14:21:58
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1288 forum posts
145 photos

Dirk

What I would do is cover the area to be masked with strips of Tamiya 40mm wide masking tape, overlapped slightly at the edges ( a bit like planking!). Then draw the pattern straight onto the masking tape with a soft pencil. Use a fresh and very sharp scalpel to directly cut the masking tape on the model. If you practise off the model first you will find it is possible to only cut the masking tape and not the model!

This method is faster than the one you were thinking about and because the masking tape is in 40mm wide strips you can get it follow compound curves more easily than a sheet of masking film in my experience.

I used this method to mask and paint the camo on my Hurricane, Blenheim and Hawk which you will have seen before and I think it worked well.

Link to the Tamiya tape:

**LINK**

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dirk tinck02/06/2020 22:42:39
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631 forum posts
866 photos

Hi Alan ,i will try your method on a test piece but all your camo-lines are random , unlike the scallops on my sheme.There's no room for error once you start cutting the masking tape...I want smooth curves !wink

Peter Garsden03/06/2020 10:18:57
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1729 forum posts
1301 photos

This may not help at all Dirk but I used Solartrim for this bit - you are painting the fuselage granted but you could do the scallops with trim. I made cardboard templates then drew the shapes onto the back of the solartrim then cut it out with a scalpel. You can read all that on my blog. Just another way of doing it.. If however you are going to paint mask then yes, Alan's method looks good.

Alan Gorham_03/06/2020 10:35:36
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1288 forum posts
145 photos

Dirk I find it is possible to cut smooth curves in masking tape using a scalpel. The trick is to find a way to rest your wrist on the model that helps to support the scalpel while you are cutting. If your wrist stays on the model as you cut, then it will not slip and the blade will not move from it's path. It also helps to draw the line you want to cut very clearly and accurately of course. This is the scalpel I use:

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There are other tools available that can help. You can get swivel knives that have much smaller blades that are free to rotate. Some people find these good to cut curves. I have one but I don't find it as easy to use as a scalpel. Maybe it doesn't fit my hand as comfortably:

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Alan Gorham_03/06/2020 10:52:57
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1288 forum posts
145 photos

PS - my camo lines are NOT random - they are to "proper" Air Ministry patterns. I have scaled them up from smaller diagrams!

Andy Meade03/06/2020 11:08:43
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2773 forum posts
717 photos

nee-naw, nee-naw! 

How did you get the camo to line up on that stretched wing then? cooldevil

Edited By Andy Meade on 03/06/2020 11:10:08

Alan Gorham_03/06/2020 11:21:10
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1288 forum posts
145 photos

By using the stretch function in AutoCAD of course!

Phil Cooke03/06/2020 11:51:15
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2596 forum posts
1824 photos
Posted by Alan Gorham_ on 03/06/2020 10:52:57:

PS - my camo lines are NOT random - they are to "proper" Air Ministry patterns. I have scaled them up from smaller diagrams!

Hehehe I knew - just knew - you would respond Al. I wouldn't expect anything less from ya! thumbs up Love it.

Alan Gorham_03/06/2020 11:55:07
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1288 forum posts
145 photos

If a job's not painful then it's not worth doing Phil....

Andy Meade03/06/2020 12:07:56
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2773 forum posts
717 photos
Posted by Alan Gorham_ on 03/06/2020 11:21:10:

By using the stretch function in AutoCAD of course!

Stretched you say?! surprise

P-almost-SSA wink

Alan Gorham_03/06/2020 12:37:18
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1288 forum posts
145 photos

Ok then, let's pollute Dirk's build thread and address that one.....

Are we limiting PSSA meets to exact scale now?

Here are three pics selected at random from Phil's Flickr:

One "stretched" Hawk,

One "stretched" Hurricane,

One Mosquito with broader than scale tip chord.

And all none the worse for any of that...

It happens for the right reasons and surely if your model has been tweaked then it makes sense to try and make it look scale in the finishing to hide or disguise any such tweaks...

None taken....It'll be great to get to the next PSSA event to conduct such banter in person!

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