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Design & Build Dornier Do 24

A bit of a challenge

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Erfolg19/01/2018 20:44:19
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10929 forum posts
1042 photos

Whoops, something is not working properly, it seems!

Robert Parker20/01/2018 09:16:24
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793 forum posts
1060 photos

Erfolg,

Go on go for it, it would be interesting to see the build.

There are not enough flying boats around, it's the Do18 with the push me pull you engine setup you're thinking of I considered it myself at one point.

Regards

Robert

Erfolg20/01/2018 12:03:00
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10929 forum posts
1042 photos

As part of part of my preparation to build a model, I like to get my hands on a bit of background information. Not strictly data as such, more history. To that ends I bought a small booklet, a bit like mag in size, from a local second hand book shop. This turned out to be a PR pub., more about what a wonderful company is, its strong innovative history. A lot about the "X" or 10, a bit about the side sponsons as a innovative design feature. Then nothing about many of the Dorniers many of us recognise, other than some was planes were produced. Then loads about the wonderful 27 etc and their major contribution to satellites. That went in the bin.

I have William Greens "War Planes of WW2", by then it was all tapered wings etc.

I have never seen a Plastic kit as you have, Which I do think is useful, showing detail contours etc, which 3 view drawings at small scale cannot show.

I must confess that anything approaching absolute accuracy is not my thing.

I certainly do not have your level of skill and commitment to produce a work of art.

I always think, yes, I will crash it, it is just when. No point in committing my soul and breaking my heart, because this view allows me to not be to embarrassed when others look at my models.embarrassed

Keep going as I am envious and enjoy this build.

Robert Parker20/01/2018 17:33:39
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793 forum posts
1060 photos

Hi Erfolg,

Thank you for your kind comments, I tend not to think of any unscheduled arrivals shall we say, yes I do get annoyed when they do happen, but having made them they can be repaired hopefully.

Think positive it will fly.

After reading your post I looked on Ebay and although there are no plastic kits available, I did find a set of plans for sale from the USA of a 1/14th scale from amahobby, DORNIER DO-18K1 scratch build R/c Seaplane Plans 66.5 in. wing span yes

The finished model looks good

Regards

Robert

Robert Parker21/01/2018 19:10:22
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793 forum posts
1060 photos

Hi All,

I have made the first fuselage side and ended up making another additional former near the tail to keep the lines flowing smoothly.

dsc03848.jpg

All glued up and added the 1/4sq longerons

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The additional formers in place

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Jointing the longerons and the 1/2"sq wing support in position

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My way of getting around a little problem. I decided to add some ply to support the phenolic wing tubing for the sponsons and needed to mark the centre on the ply so I came up with this

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I added some 3/32nd sq to help support the planking.

dsc03855.jpg

The end result.

So that is one side done, once this had dried I'll make the other

That's all for now

Regards

Robert

 

Edited By Robert Parker on 21/01/2018 19:11:03

Edited By Robert Parker on 21/01/2018 19:16:28

Robert Parker28/01/2018 15:54:40
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793 forum posts
1060 photos

Hi All,

Second fuselage side built, this time I managed to make a small mistake and cut the cabane support timber off after gluing it in place sadand had to fit a new one all done now smiley, another senior moment

.

Clamped the two sides together and placed the tail assembly on top and she is looking good.

dsc03856.jpg

After the photo was taken I realised my mistake of cutting the cabane support flush with the rear former,thinking of weight saving sad

dsc03857.jpg

Coming together nicely

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I think I may have to alter the shape slightly of the former second behind the cockpit, a tricky point there where just behind the cockpit the top of the fuselage is almost flat and during transitions to circular over the next two bays. I'll wait and see how it looks with some dry sheeting first.

Next, i'll join the sides together and have a go at making the cabane struts and set up the sponson support tubes, this could be fun.

That's all for now

Regards

Robert

Robert Parker05/02/2018 16:46:57
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793 forum posts
1060 photos

Hi All,

Well this last week has been a bit slow in progress with one step forwards and three back. That said, the fuselage has been joined and the cabane struts made and made again and again, finally got there as well as changing from steel to aluminium, a considerable weight saving.

So not too many photos this time

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FAIL

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Attempt no1, the first bend went OK but when I formed the second it pulled the base shorter, try again. Metalwork is not my strong point.

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Attempt 3, much easier to form using the aluminium, these are just sitting in place.

Since the photo was taken I have positioned these correctly and bolted them in place and wedged a ruler across the top and checked for alignment with the fuselage centre, spot on. Then removed them and glued up the sides then had to place the struts in position whilst offering up the sides and then clamping up the sides.

That's all for now

Regards

Robert

Colin Leighfield05/02/2018 19:00:29
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5438 forum posts
2229 photos

It’s going to be beautiful, you have a great taste in subjects.

McG 696905/02/2018 19:13:44
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2176 forum posts
911 photos

Still watching & I'll second Colin here, Robert.

Really going to become outstanding... smiley

Cheers

Chris

Robert Parker05/02/2018 20:42:21
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793 forum posts
1060 photos

Thank you both, it is taking hold of me, as they do, all those curves, planking them well that could be interesting to say the least.

I have another subject in the pipeline which I have started drawing but still in the very early stages plus another subject just keeps popping up in to my mind.

Regards

Robert

Robert Parker10/02/2018 16:41:38
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793 forum posts
1060 photos

Hi All,

It's been a difficult week for me, my sciatica has returned again so I'm off work again, but unable to stand or sit for very long so my modelling has been done in short bursts until the pain is too much. I have also had tried aquapuncture for the first time to try to help but still not much improvement with two sessions or am I trying to rush it. Plus to assist the pain relief some red wine has been administered, not really recommended but it helps for a relatively good nights sleep.

I have fixed the cabane struts in place and epoxied the bolts so hopefully nothing is going to move there. The sponsons support tubes guides are fixed in place started planking the fuselage and fixed the tail group in position.

dsc03916.jpg

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Setting up the sponson guides needed a little fettling to get the tubes parallel with each other and square to the fuselage. Once happy the guides were epoxied in place.

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Jumping ahead slightly, I placed the sponson ribs in place, roughly spaced, and I was pleased that they lined up nicely all bar one which needed a slight adjustment and they aligned with the fuselage side being just above the chine line.

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An odd angle of the top of the fuselage facing towards the bottom of the picture, planking started with a block glued in front of the stabiliser seat. The planking has been soaked in water and then persuaded around the compound curve and are fitted in pairs to try to avoid twisting the fus. This part of the planking is going to take some time until I get around the compound curve.

I finally made a decision on how / where to mount the elevator servo. I was hoping to keep it hidden but I settled for just the arm and linkage showing.

dsc03923.jpg

I realised today that I needed to glue in place the tail group as it would be difficult to get it set up correctly by keeping the fuselage centre square to the worktop and taking measurements at both ends again a little fettling of the seat was needed to get the measurements equal.

Next, carry on planking and run in some pull cords for the rudder, elevator servos and power cables.

That's all for now

Regards

Robert

Broken Prop10/02/2018 17:15:36
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546 forum posts
1 photos

Robert, this is truly a scratch building master class! You have superb skills.

Looking forward to seeing more soon

Pete

McG 696910/02/2018 19:03:21
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2176 forum posts
911 photos

This is indeed a superb Master Class, Robert. yes

Sorry to hear about your sciatica. Hope you get well soon.

Cheers

Chris

Stephen Jones10/02/2018 19:49:15
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2484 forum posts
1448 photos

Another nice build,

Where have i been, there are so many nice builds going on at the moment.

Watching with interest .

Steve.

Robert Parker11/02/2018 10:10:33
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793 forum posts
1060 photos

Hi All,

Thank you for your kind comments, not too sure about a "Master Class" though, just pushing my ability a little at a time.

I'm just an average modeller hoping that one day to pass his "B" test.

Regards

Robert

Percy Verance11/02/2018 12:02:38
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6744 forum posts
134 photos

Nice work indeed Robert. There are lessons here even for those among us whom can build models confidently....... And if you are able to apply the same dedication to your flying Robert, then I can't see the "B" certificate being too much of a challenge.

 

Edited By Percy Verance on 11/02/2018 12:05:24

Robert Parker17/02/2018 17:26:55
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793 forum posts
1060 photos

Hi All,

Planking, planking, planking, planking and sanding sums up this weeks work

dsc03924.jpg

I made a temp support from an orange box to help support the structure

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The hardest part done

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Battery bay made

dsc03928.jpg

Now for the underside

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I was not too happy with a couple of the former spacing so I made a couple more to support the planking

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Once you get going it comes along quickly

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Finally when dry sand, sand and sand again, apparently whilst I was sanding we had a 4.2 earth tremor with it's epicentre just 7 miles away, did not feel a thing to involved in sanding.

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Must admit looking good. I have left out the centre section of the fuse underside planking off for now so I can wire up later.

Next, sponsons.

That's all for now

Regards

Robert

Edited By Robert Parker on 17/02/2018 17:31:48

Tony Bennett18/02/2018 09:03:09
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4837 forum posts
117 photos

that looks beautiful Robert.

i love the curves.

Tony B

McG 696918/02/2018 09:25:21
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2176 forum posts
911 photos

Amazing building, Robert.

And indeed a very elegant aircraft.

Cheers

Chris

Adrian Smith 118/02/2018 12:55:33
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1935 forum posts
654 photos

All I can say, Robert is WOW!! Fantastic effort indeed. beer

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