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Tornado GR4 (150%)

The Andy Conway Tornado at 150% plan

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Andy Meade28/09/2018 16:32:17
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Moving along nicely Dave, well done yes

Peter Garsden01/10/2018 08:30:40
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1396 forum posts
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Canopy Plug Dave? You can get one with the plan if my blog serves me correctly, or from Andy Conway, I can't remember which. My blog says "the canopy and plan arrived from Andy Conway". Or you can do it the hard way?

Ah...sorry... my mistake - this is an enlarged version - ignore me.....

Edited By Peter Garsden on 01/10/2018 08:31:18

Edited By Peter Garsden on 01/10/2018 08:31:38

Andy Meade01/10/2018 08:35:34
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2453 forum posts
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Mr Jones is very good at canopy plugs yes

David Gilder01/10/2018 12:15:24
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1850 forum posts
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Cheers Peter & Andy.

I have had an offer from Ade (Flyer!) to make the canopy as he is also looking at building a 150% Tornado sometime.

So, Ade is going to have a go and failing that, I may have a go at making the plug myself. If that fails, I may have to speak to Mr Jones!

Haven't been able to do anything on the build for the last 2 days but should get some more done on Wednesday evening!

Dave

 

Edited By David Gilder on 01/10/2018 12:15:50

Flyer04/10/2018 18:39:44
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481 forum posts
65 photos

Quick question Dave,

I've measured the extremities of the canopy at 150% to be 413mm. Does this correspond to your plan? Attached picture shows where I've measured. If so, at least I'll be working to the correct size blush. And, I know the picture looks a little distorted, it's not lying flat on my desk.

Cheers

Ade 018.jpg

David Gilder04/10/2018 19:48:47
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1850 forum posts
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Ade,


Looks good.

I measure mine at 416mm. Would suggest extending rear end by 3mm... Can always reduce to fit then!

Cheers

Flyer04/10/2018 20:08:28
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481 forum posts
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Posted by David Gilder on 04/10/2018 19:48:47:

Ade,


Looks good.

I measure mine at 416mm. Would suggest extending rear end by 3mm... Can always reduce to fit then!

Cheers

Cheers Dave,

Will do.

Ade

Mark Kettle 104/10/2018 21:33:42
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2147 forum posts
1299 photos

Hi Dave, Tornado cockpit mould, I've done one at 100% size - model size that is -, if you have a go there easy to make, I made it from 15mm MDF board stuck together, frame work from thick card

tornado cockpit mould.jpg

By chance a local school, a couple of hundred yards away from the house, has one hiding behind a shed, its full size though !!!

20171112_101002.jpg

David Gilder05/10/2018 15:03:39
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1850 forum posts
656 photos

Thanks Mark

Going to leave it with Ade for now and if needs be will look at making one myself! ( I have faith in Ade's abilities! )

David Gilder01/11/2018 15:52:03
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1850 forum posts
656 photos

Small update time...

Inbetween work and a family long weekend away visiting sick relative, I have managed to do a little more on the build!

The axle for the AMT has also been made up and a metal horn spot welded to the axle. This will allow the clevis to link up solidly as this whole area in time will be sealed up!

Unlike the original plan, I have decided to move the AMT Servo into the rear part of he central under-wing bay in case any issues and it was to need replacing in the future!

From here, the rear sides where checked for fit and then fitted along with the rear formers and the AMT axle.

Unfortunately I forgot to take any pics of this stage!

3 wide stringers lay into the rear formers from F6 to F8. This provides the stability and stiffness to the rear end and as such has to be glued in whilst keeping the whole airframe centralised and steady. As the plans are being used for a 2nd build, I was unable to do this over them, so some accurate guide lines were drawn on to the build bench and the model pinned down to it!

Once this was all set and the rear end stable, the model could be removed again from the build board without risk of any misalignments later on.

I couldn't resist a mock up!

img_20181010_100447.jpg

Definitely a Tornado shape there now!

The cockpit area has been lined all around and F4 (which provides the spread out of the rear sides up to the air intakes.

img_20181015_190525.jpg

So what else...

I decided to work on getting the intakes sorted (well one of them for now!)

These are made up of black foam, veneered in balsa!

img_20181022_094956.jpg

And this is how it should look on the model!

img_20181023_115903.jpg

So that's about it for now...

Oh, I have ordered my wings from Cloud Models and they should be here in the next few weeks!

Wings will be as plan, no alterations to size or profile.

The only planned change on these will be to have a servo mounted in each wing with direct link to each aileron instead of a centrally mounted single servo running torque rods.

Will update again where there is more to tell!

Andy Meade01/11/2018 16:00:48
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2453 forum posts
634 photos

Great progress Dave, well done. Did you go for extra spars or glass under the veneer from Cloud? You'll be happy with their work either way, excellent craftsmanship.

David Gilder01/11/2018 16:04:52
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1850 forum posts
656 photos

Neither Andy.

Will be looking to inlay spars myself, just like the A4 build.

Flyer01/11/2018 16:30:07
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481 forum posts
65 photos

Looking good Dave. Hope to have workable canopy plug finished in next two weeks. Hopefully have some workshop time over the weekend; if so, will post up some progress pics.

Cheers

Ade

Andy Meade01/11/2018 16:31:18
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2453 forum posts
634 photos

How are you making the canopy plug without a finished fuselage Ade?

Flyer01/11/2018 16:41:00
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481 forum posts
65 photos
Posted by Andy Meade on 01/11/2018 16:31:18:

How are you making the canopy plug without a finished fuselage Ade?

From the Plan Andy; there should be enough excess around the edges to cover any small errors. I've checked the dimensions with Dave, so should be within a reasonable tolerance. Or he will need to bodge a fit blush

Several fingers and toes crossed !

Ade

Andy Meade01/11/2018 16:44:27
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2453 forum posts
634 photos

Hmm, should be quite interesting surprise I've only ever seen it done by making an exact copy of the canopy as a plug on the fuselage - that makes sure it's a good fit all the way round.

Good luck......

Tim Mackey01/11/2018 17:55:44
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20928 forum posts
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15 articles

You’re progressing well there Dave - she’s looking nice at that size too 👍🏻

David Gilder01/11/2018 20:47:45
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1850 forum posts
656 photos

Sounds great Ade, I have faith in your ability.... Sure it will fit the model just fine!

Thanks Tim. Yes, Shes quite a good size.. To be honest, I'm glad I didn't go to 200% plan. Would have struggled to build and then store!

Looking forward to the wings arriving and then I can get a real size feel for her!

Will update when there is more to show!

David Gilder08/11/2018 21:52:35
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1850 forum posts
656 photos

Another week gone and time for another update...

Well, It seems the build bug is firmly in control at the moment with things coming together!

I am pleased to say also that the 2nd Tornado (being built by Warren) is finally underway. I'm not sure if Warren is planning on doing a build blog or not though!

Anyway, where were we....... Oh yes..!

So the rear top decking has gone on over the rear top stringers and the control rod is connected to the AMT axle.

The 2nd air intake is under construction also so these parts will be ready to be added later in the build!

I'm not going to bore you with pics of those bits though as there is much more interesting stuff to update!

Yesterday the doorbell rang.... There was a delivery in the form of a large cardboard box!

img-20181107-wa0003.jpeg

That's right. The wings arrived from cloud models!

img-20181107-wa0005.jpeg

So 2 sets of wings (one for me and one for Warren).

A quick inspection showed the quality and finish of these to be at a very high standard.

I just had to lay a set out to see!

img-20181107-wa0007.jpeg

But that just led to the obvious thing happening.... A full mock up!

img-20181107-wa0009.jpeg

Oooooooohhh Yeaaaaah!!!!

Now we really are getting somewhere! You will see the rear deck in the above picture also!

Okay. So, These wings are not swing wings and will be joined permanently in the fully forward position, but I just couldn't help seeing what it would look like if the were swept back!

What do you think!!?

img-20181107-wa0015.jpeg

Pretty cool.... Maybe a future model will have swing wings.. Who knows!

So to the wings then. Considering they only arrived yesterday, the following has been completed:

Servo position calculated.. I plan to have the wing fuel tanks on this so the position of these pylons had to be calculated to the scale and the servo positioned outboard of these!
Once this was worked out and the positions transferred on to the undersides of the wings, these were cut out!

img-20181107-wa0017.jpeg

I hadn't asked for Cloud Models to do this for me as I wasn't sure exactly where I wanted them so needless to say, there were no servo wire holes either, so these also have been done with some heated wire pushed carefully through at the required place so the exited into the servo bays!

img-20181107-wa0019.jpeg

Again, other measurements had to be calculated so as not to route them where the wing joining braces would be placed!

The positions of the joining braces were then drawn onto the wings and cut out on the fretsaw with each wing half supported in their foam halves (if that makes sense!)

The braces are made from 8mm ply so will provide a good solid link!

That was all yesterday..

So today, The leading edges and false Trailing Edges were glued on and once dry the sanding down has started to ensure nice smooth transitions. (This is nearly finished but had to make tea and walk the dogs!)

So just one last pic showing the wings together with the braces in position. (These will be sanded down flush once the wings are joined for good!)

img_20181108_172755.jpg

So that's it for now!

I will be doing more sanding tomorrow as long as the weather allows, as there is nothing worse than sanding in the workshop with no moving air and balsa dust filling the air (and lungs)!

As always, comments and questions are very welcome!

Tim Mackey08/11/2018 22:00:55
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20928 forum posts
304 photos
15 articles

Nice progress Dave

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