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Antonov AN124 Ruslan

Probably my last big Depron plane.

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Simon Chaddock11/01/2020 19:43:19
5776 forum posts
3055 photos

With the finger holes complete the two fuselage sections can be glued together.


Storing the two parts was bad enough now all one piece it is a bit of a nightmare. smile o

But it does allow the whole thing to be put together for the first time.


It is by far my biggest thing in Depron.

To provide some 'ding' resistance the fuselage underside with be given two coats of dark blue acrylic. The rest of the Derpon will be given a light coat of white. It is amazing how 'off white' bare Depron looks in comparison. wink 2

As I am not all sure it will fly or even if it does that it will land in one piece I will complete the paint scheme before I attempt to fly it.

Colin Leighfield12/01/2020 16:50:17
6007 forum posts
2505 photos

“It’s going to be interesting” hardly describes this one!

Erfolg12/01/2020 23:26:00
11797 forum posts
1346 photos

There are a couple of equally large models at a club near you, a Lancaster and an A400m. Arguably a large Vulcan.I guess the big difference is probably power and weight. They are all in the Sale club.

All have UC, albeit retracting.

So, I agree launching could be interesting.

Flying in anything other than calm weather could also quicken the pulse.

As for landing, it has already been said previously, needs to be very gentle.

Apart from these minor issues, what could go wrong.angel 2smiley

Simon Chaddock20/01/2020 13:23:09
5776 forum posts
3055 photos

A nice calm but cold day today so I took the opportunity for a "outside" picture, in fact the first time any of it hass even been outside. smile o


The cavernous inside.


And the rather more serious "Will it ever fit?"


Chris Freeman 320/01/2020 13:32:02
353 forum posts
525 photos

Great work, love the view from the front showing all the formers. Reminds me a bit of the old Robbe BAE 146 with the brushed motors and Nicads. I never thought it would fly and it sure showed me just how well it went. I was told that it was the only model that needed a silencer on the undercarraige as it made a huge noise when landing, the foam fuselage amplified the noise. Good luck with the test flight and thanks for the updates as it is great to see projects like this.

ken anderson.20/01/2020 18:07:31
8752 forum posts
810 photos

lovely work as always Simon well done..

ken dept.

Gary Manuel20/01/2020 19:25:13
2292 forum posts
1558 photos

I'm sorry Simon, but that thing looks like it will never get off the ground. Massive great fuselage and wings like a bumble bee.

Great job - just like the real one!

paul d20/01/2020 19:53:13
208 forum posts
26 photos

lovely work Simon....small point, have you tried it in the car?wink

David Holland 220/01/2020 20:08:07
224 forum posts
25 photos

Simon, I avidly follow several threads on the forum although I rarely comment (I think the technical term is "lurking"!!). There has not been one of your builds that has not been completely fascinating. I am in awe of your tenacity, skill and ability to think outside the box. At the start of some builds I think that no way can this end well, always to be proven wrong. You have caused me to have a bit of a Depron Dabble, sometimes as the only material in the airframe and sometimes as a sort of composite, and I have grown to really enjoy working with it. Thanks for your inspiration and keep 'm comin.


Stephen Jones20/01/2020 23:26:59
2885 forum posts
1657 photos

It certainly is Big.

It looks as though it is going to gobble something up.

Tell me Simon does the body flex under it`s own weight when you lay it on the ground.


Martyn K21/01/2020 09:06:14
5088 forum posts
3681 photos

I'll bet that with some tape over the seam, that would take off from a large puddle..

Looks amazing

Simon Chaddock21/01/2020 09:56:59
5776 forum posts
3055 photos

Thanks for the kind words.

Posted by Stephen Jones on 20/01/2020 23:26:59:

does the body flex under it`s own weight when you lay it on the ground.


I can assure you that the body with its huge dimensions is incredibly rigid. The wings on the other hand.......wink 2


The fuselage does fit in the Clio but there is not much room for anything else, including me!

gliggsy21/01/2020 10:08:05
103 forum posts
4 photos

Ha ha now we know why there's a world short supply of depron!!!

Colin Leighfield21/01/2020 11:45:45
6007 forum posts
2505 photos

This is beyond words Simon! I could say that you will never surpass this one, but I know you will!

Ron Gray21/01/2020 13:00:03
2320 forum posts
1000 photos

Just need a printed / depron trailer to cart it around on now!

Keith Simmons22/01/2020 08:31:59
452 forum posts
9 photos

Hi Simon.

The AN 124 looks amazing and what’s the total weight including batteries?

I work out the maximum thrust could be 3,344g from the 4 EDF units and being hand launched helps.


Ian10122/01/2020 18:17:35
226 forum posts
323 photos

I have waited a long time to see how you approach something like this. Well worth the wait and look forward to see a flying video. Fantastic Simon.

Simon Chaddock22/01/2020 20:24:46
5776 forum posts
3055 photos


I am using tiny quad motors and props inside the engine nacelles so only 250 g (8 oz) thrust from each but on the plus side each motor only takes 8 A at full power meaning that just one 2000 mAh 4s battery is all that is required to power its 1500 g (54 oz) all up weight- hopefully!

Stephen Jones22/01/2020 20:57:23
2885 forum posts
1657 photos

That plane is going to float around the skies for sure.

Better make sure it is a flat clam day for that one Simon.

Steve smile d

Simon Chaddock16/09/2020 00:02:15
5776 forum posts
3055 photos

It has taken a while, nearly 9 months, but today the weather was kind enough to actually fly the Antonov.

This is actually is second flight. I did not video the actual maiden which was pretty short due to the motor problem.

It flies ridiculously slowly.

It flies better than I dared to hope thanks in no small part to the gyro!

Still a couple of things to adjust but mainly to correct fin as it looks a bit offset to the right needing quite a bit of left aileron trim to counter. Made worse by the fact its scale size ailerons are not that effective to start with.wink 2

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