View Poll Results: Would you print a larger, single fan version of this design? And if so, what sizes:
1.25 m, 4S, 64 mm fan 10 19.61%
1.4 m, 4S, 70 mm fan 17 33.33%
1.4 m, 6S, 70 mm fan 10 19.61%
1.6 m, 6S, 80 mm fan 12 23.53%
1.8 m, 6S, 90 mm fan 8 15.69%
Multiple Choice Poll. Voters: 51. You may not vote on this poll

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Jul 26, 2020, 09:03 AM
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Build Log

3D Printed EDF Avro Vulcan. 1m span, FMS 50mm EDF

The Avro Vulcan is a cold war era British delta wing design, much loved by most who ever saw one fly.

It’s a special design for me because my Dad flew them, and some of my earliest memories as a child are the howl of the four Olympus motors - derivatives of which went onto power Concorde. A Vulcan full power take-off, climb out and bank at an air-display truly was a sight and sound to behold.

Living in Australia, seeing a flying Vulcan has not been possible for decades, but on a visit to the UK relies a few years ago (remember international air travel?!) I dragged my young son to one of the last displays that XH558 ever did. On our last visit we also visited the IWM and saw theirs up close. I think it worked, because now he likes the Vulcan too

There have been lots of RC variants over the years, but true scale versions seem to be either:
• Huge turbine beasts which are super impressive, but super expensive and not very practical at a small field – or even in the average family home come to that!
• PSS Gliders – which are great, but need a decent slope.
• Pusher models, which can be done at any scale, are supremely practical, but involve a certain amount of scale sacrifice I can’t ever quite ignore.

I've been rambling about trying to design a foam parkflyer version for ages. My son, who is only 13, decided that he would design a 3D printable EDF one. I did my best to tell him that would be ‘quite hard’, but he was determined, so I provided funds for the EDF and the radio gear and together we figured out some of the practicalities like wing loadings and intended size.
We settled on PLA, around 1m wing span with an FMS 50mm fan running on 3S.

Suddenly sections of delta wing started to appear and the whole thing seemed to be evolving into a genuine possibility.

Anyway, not only does it fly – but it flies very, very well. A 1m span, 3S EDF Vulcan that you can 3D print and build as either an unpowered slope glider, or as a small EDF belly lander to fly down the Park. What’s not to like? And indeed people do like, they keep asking for the STLs!

Until then, you’ll have to satisfy yourself with the awesome vids from my kind clubmate MrWaz who must spend longer videoing our planes than he does flying his own. Or browse youtube for some footage of the real thing. His does sound like a jet, and it moves just like the full size - but to really sound like a full-size Vulcan, you have to have a full size Vulcan in the air, and that is something that will never happen again.

We will be painting the prototype over the next couple of months to give it a scale look and will update this thread with details of the STLs eventually.

IMPORTANT UPDATE : Dec 2020, the alignment issue identified in Nov and mentioned below has now been fixed in Release 2.0, if you have older files, please download the latest release to get the new ones. It is possible to shim out the wings from the original release fuse pieces, but it's a bit more work
15 Nov 2020:
We have discovered a misalignment problem with the wing and haven't yet tracked down exactly when the error crept in. It may have been from the first Cults release. It will be a relatively simple fix, and you will be able to download the fixed files from Cults as soon as we can get them out there (downloading updated versions is free on Cults, one of the reasons we rushed the release). The misalignment results in the wing being ~2mm further back than it should be and it doesn't look quite right at the wing root to Fuse join.

UPDATE: STLs and Build Guide available here:

Plenty have now flown, four in our club, several elsewhere, several others are built awaiting a maiden or in progress. But it's not completely plane sailing yet, the weight on the EDF version needs to be kept down for hand-launching, and the design does that by using thin wall printing that does warp/tin-can slightly. It's quite noticeable close up, but not really in flight at all. But this remains a design I'd be wary of promoting to someone who has not successfully 3D printed an aircraft yet.
1. Dominc’s, the original – see Post #4 below
2. MrWaz’s:
My 3d-printed Avro Vulcan maiden flight (3 min 40 sec)

3. Mine:
Third 3d-printed RC Vulcan maiden flight (4 min 52 sec)

4. Lomcevak:
3D Printed Avro Vulcan Maiden Flight (3 min 2 sec)

5. ExtremeSports maiden:
Vulcan demise (0 min 44 sec)
and with landing:
Vulcan Maiden (3 min 31 sec)

6. AirSally’s: First Rise-off-ground take off!
3D printed Avro Vulcan bomber (1m wingspan) with FMS 50mm EDF - SUPER COOL! (5 min 50 sec)

7. Geoff’s:
Fourth RC EDF Vulcan maiden flight (3 min 2 sec)

8. Tooly: no permanent URL for video, but check out post 807:
9. AbrubtLander:
10. gke get's first pusher version:
20210317 3D Printed Vulcan B2 Second Flight @ VARMS (2 min 8 sec)

11. Woodbug's, with a really great 'how to' build log too:
Last edited by Mk9; Mar 21, 2021 at 12:54 AM. Reason: Added pics; added link to STLs; deleted obsolete manual, follow the link.
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Jul 26, 2020, 09:07 AM
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About the limit of my input to the project was persuading him to build a glider version first. I figured with enough wind, almost anything will fly, and we would learn a lot about control with the airframe as light as possible.
Here is the maiden at our local wasn't the best start, and to me, in spite of the hiccup caused by a magnet we hadn't bother to superglue in (!), was a concern - it didn't seem to be a feather, and this was without the weight of an EDF, ESC and flight battery...
Thanks to my wife for recording it, and MrWaz for hosting:
Dom's self designed 3d-printed Vulcan project gliding trials (0 min 57 sec)
Last edited by Mk9; Jul 26, 2020 at 09:40 AM.
Jul 26, 2020, 09:28 AM
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Next up was to chuck it off a slope. We partook of some 'essential exercise' during Covid lockdown - which Western Australia was very lucky to escape mostly - to do a proper maiden, which was a raring success by any standard:
Dom's 3d-printed Vulcan slope soarer maiden (2 min 19 sec)
Jul 26, 2020, 09:38 AM
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He's designed it from the outset to be able to do both PSS or EDF with the same airframe, and so has a simple way to swap out the EDF. So before long we were ready for a maiden from a flat field. It's pretty heavy - nearly 1kg, and with absolutley no real idea of how things would go, we decided to fly at out nearby lake where there is plenty of space.

He was so nervous (you can see the plane twitching from his shaking fingers)! But yet again, he had nothing to worry about. In fact, this plane will fly waaaay slower than this vid shows, but we still haven't got a good video of it showing that, we've been short of really nice flying days recently.

Thanks to MrWaz11 for capturing what was a really memorable day for both of us!
3d-printed EDF Avro Vulcan maiden (4 min 28 sec)
Jul 26, 2020, 11:07 AM
Registered User
Outstanding work ! well done. .
Encouraging to see that printed is spreading wider .. constantly.
Also refreshing to see a model without interminable 'opinions' re bifurcated outlets/ single multiple fans...
Only niggle would be the filament colour. But then easy to see has value as well
Looking forward to the STL's.
Jul 26, 2020, 11:15 AM
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turbonut's Avatar
Really nice work....Amazing its his first edf project..congratulation
Latest blog entry: In flight
Jul 26, 2020, 11:23 AM
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Really nice model, congratulations.
Jul 26, 2020, 02:50 PM
Into the burning blue
balticS2's Avatar
Great effort Dom, well done!

Jul 26, 2020, 03:59 PM
71% of the world is runway . .
Bart83's Avatar
That is some very nice work there! Love how you managed the way you made use of a single EDF and distributed it to the 4 jet pipes. The model seems to fly very good also.

Again , great work!

Jul 26, 2020, 06:42 PM
Still the "Pro"-crastinator...
Steve85's Avatar
Wow. Just wow. That is one very talented young man you have there. Good job, Dad (and Mom)!

Jul 26, 2020, 09:25 PM
Registered User
I have a 2m Vulcan w/4 70mm fans. While it takes all four to take off from grass I routinely fly it with two switched off and found out the hard way it can fly on only one. The Vulcan is just a great platform.
Jul 26, 2020, 09:36 PM
Registered User
Given the speed that single erm... mid level.. FMS 50mm fan flies that printed model on a smallish pack no less
.The Kid has simply outclassed larger hugely more complex 'trad' builds.
. Future is clearly with the younger. minds..neatly sidestepping us doddering 'old guys'
Last edited by Bare; Jul 26, 2020 at 09:43 PM.
Jul 27, 2020, 06:49 AM
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Ianda217's Avatar
Subbed. Only last week, I was thinking about a PSS Vulcan!
Jul 27, 2020, 08:07 AM
Retired CAD guy
birdofplay's Avatar
Brilliant !

This will be done in LW-PLA at my end !
And I already Have some FMS 50mm EDF's from Eclipson projects.

I've been thinking about doing werzey's WildeHummel, but, I may just wait for this instead.

That appeared to be quite a Stiff Breeze in the sloping Vid.
If I may ask, Where were you when that was filmed ?
Jul 27, 2020, 08:50 AM
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Thanks guys! I'll pass those compliments on - he's nearly old enough to have his own account
Only down side of youth is he can't really comprehend just what he's managed to achieve.

You can see from the maiden landing just how much extra speed it's carrying - it's just a very slippery airframe as you pointed out pmullen (love yours btw!). He's now enabled 'brake' on the ESC to help do a reasonable descent.

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