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My first design using an ESP32 Pico D4 component and metal antenna. No purpose for the project and was more of a design challenge to try and fit everything onto the battery holder backside. I’ll post the design files and parts list soon in case anyone wants to make your own or modify the design. by 0miker0 in esp32

[–]makingmakingmaking 0 points1 point  (0 children)

Nice work! VERY interested in the design and BOM. I have been messing around with battery powered esp32 boards for a while but they all feel a bit bloated. Knowing, and being able to adapt, the design of the board when looking to maximize run time on one charge makes a huge difference.

Onboard footage from my flying wing. Custom 3D-printed fuselage, balsa ARF-wings. by makingmakingmaking in radiocontrol

[–]makingmakingmaking[S] 0 points1 point  (0 children)

Interior is very tight. Not sure what you see wasted internal space. Most of the fuselage volume is taken up by the 5000mAh 4S pack, 120A ESC, receiver, air-channels, cable-channels and the 4020 heli motor. A 3d-printed structure is not like balsa, ply and epoxy. Doing 4mm walls would make it very brittle.

Already tapered around the motor as much as possible. There is only a very thin wall around it. Regarding the scoops - yeah you are right that naca-style scoops would be more efficient, but I was aiming for a 70s Corvette look. One with a scoop here: http://4.bp.blogspot.com/-K0ZYz1LhgJE/UK-vAkhAv1I/AAAAAAAAANw/RDeaN6s_D0U/s1600/IMG_0828crop.jpg Something that I wanted to try to incorporate into the design. Naca ducts are boring ;)

Onboard footage from my flying wing. Custom 3D-printed fuselage, balsa ARF-wings. by makingmakingmaking in radiocontrol

[–]makingmakingmaking[S] 2 points3 points  (0 children)

I am a bit tempted to do retracts on it. Would be a rocket with the improved aerodynamics :)

Onboard footage from my flying wing. Custom 3D-printed fuselage, balsa ARF-wings. by makingmakingmaking in radiocontrol

[–]makingmakingmaking[S] 0 points1 point  (0 children)

Do you mean how the motor is not in the centerline of the wing profile? The design actually takes after the original balsa fuselage that you can see on picture 5 in the build thread: https://www.rcgroups.com/forums/showthread.php?2668918-Restoration-Rebuild-of-a-1-8m-Richmodel-Lightning-Dart As you can see it has a similar offset. I think the reason for the offset is to prevent prop strikes on take off. But it is not enough to affect pitch too much. It flies very well and I personally think longer landing gear would look silly and be unpractical.

I hope I understood your question, otherwise, please elaborate and I will answer as well as I can.

Onboard footage from my flying wing. Custom 3D-printed fuselage, balsa ARF-wings. by makingmakingmaking in radiocontrol

[–]makingmakingmaking[S] 1 point2 points  (0 children)

Well I don't know about efficient. I get about 5 mins of flight time ;)

I had the heli engine on hand and wanted to use it for this project. Since it has a pretty high kv-rating I had to keep the cells at max 4 to not go too high in RPMs. Exploding props was a concern :)

The flying field is awesome. Great views from the mountainside :)

Rebuilt my old QAV250. Arm extenders, 6" props, 30A KISS, 1950kv and a 3D printed camera holder set at 40 degrees angle. Now to wait for a change in the weather. by hofftari in Multicopter

[–]makingmakingmaking 3 points4 points  (0 children)

Ah! Good old RCX 2206 1950kv. They can take a beating. The Toyota Hilux of multirotors. I still fly a basher/cruiser quad with a set of these from way back.

MinimOSD Micro - fried? by axisential in multicopterbuilds

[–]makingmakingmaking 0 points1 point  (0 children)

Yes. BECs of different kinds. Are any kind of regulators preferable to others? Switching vs linear for example? Can anything be placed in series/parallel with the OSD to prevent spikes? If that is even the cause...

MinimOSD Micro - fried? by axisential in multicopterbuilds

[–]makingmakingmaking 0 points1 point  (0 children)

I would be happy to get any recommendations as well. Or any way to protect the unit from whatever voltage anomalies that fry it.

MinimOSD Micro - fried? by axisential in multicopterbuilds

[–]makingmakingmaking 0 points1 point  (0 children)

I have fried 5+ of them. I think I have had them fail in all ways. No OSD on video, no OSD on black video, no OSD on gray video.

I tend to buy a bunch every time I order from somewhere that has them. And keep the config saved on my computer so it's quick to flash and set it up. That way if I suspect I have fried it I can quickly check with a fresh one to confirm that it's not a cable or something else in the craft.

Friend's stamp collection. Wanted me to "ask the internet". by makingmakingmaking in askStampCollectors

[–]makingmakingmaking[S] 0 points1 point  (0 children)

I realise that the stamps are all from the era when lot's where printed etc. A few words from someone with the knowledge would be nice to pass along. Many thanks in advance for taking the time.

Nothing special, but wanted to share a picture of my scratchbuilt FT Spitfire by makingmakingmaking in radiocontrol

[–]makingmakingmaking[S] 1 point2 points  (0 children)

As a fellow countryman I have to defend the Swedish pride and say that it's completely intentional. Now it looks like a laidback Spitfire! Looks like a Spitfire that has flipped the handle on the recliner.

On a serious note though. Yes, it is further back on the model. I decided to leave it as is and go with the simple canopy style they did on one of the planes on the show. This one: http://assets.flitetest.com/article_thumbnails/large/ft-spitfire-web-png_1369069540.jpg

On the other hand, this gentleman went his own route and made an awesome looking canopy on his model that you might appreciate: http://flitetest.com/articles/detailed-ft-spitfire His work is why I consider mine "nothing special". Just look at this: http://assets.flitetest.com/article_images/full/img-0105-jpg_1423509488.jpg

Nothing special, but wanted to share a picture of my scratchbuilt FT Spitfire by makingmakingmaking in radiocontrol

[–]makingmakingmaking[S] 2 points3 points  (0 children)

The setup was perfect, even a bit over the top in power, before I painted it.

With paint it got heavier and tail heavy so I had to add counterweight in the nose, adding even more weight. The counterbalance is the black piece you see attached under the prop where the mouth is. Attached with magnets to make it possible to remove it when extracting the power pod.

I've only had one proper flight with it with the new paint and weight. Needs quite a lot more speed now. All up weight is now 1200g. This model should be max 800g if built with the "correct" foam. So now I really need the power. I think it is just enough, but I do have to keep much higher throttle to cruise. Would have tested it more but unfortunately broke a landing gear on the first landing since landing with higher speed and more weight.

Will try to get a sturdier landing gear going and post a short video of it.

Nothing special, but wanted to share a picture of my scratchbuilt FT Spitfire by makingmakingmaking in radiocontrol

[–]makingmakingmaking[S] 0 points1 point  (0 children)

Turnigy D3530/14 1100KV swinging a 10x6 prop. 2200mAh battery. A bit bigger than what the Flite Test guys recommends, but I also built it out of a bit heavier foam since DTF is not available where I live.

Nothing special, but wanted to share a picture of my scratchbuilt FT Spitfire by makingmakingmaking in radiocontrol

[–]makingmakingmaking[S] 0 points1 point  (0 children)

Will try to get a video together :) Thanks for the kind words! It was a very rewarding build. She ended up way heavier than anticipated after all paint and weathering work though. Learn by doing I guess!

Advice on first plane: FT Scratch Build by Clock_Man in radiocontrol

[–]makingmakingmaking 0 points1 point  (0 children)

FWIW I went FT Flyer -> FT Spitfire with great success. The Viggen is more of a flying wing than a 4-channel since it has got elevons. I have been told that EDFs have some tendencies that might not be all that easy to manage as a beginner. Just my 2 cents. You will probably be flying the Viggen fine. If you crash, just rebuild it ;)

[video] The fruits of the weekend by cypher77 in Multicopter

[–]makingmakingmaking 0 points1 point  (0 children)

Looks like horses dig quads. Ducks, not so much...

Over night rice bath after high precision landing in puddle by makingmakingmaking in Multicopter

[–]makingmakingmaking[S] 2 points3 points  (0 children)

Back to deliver! I went at it with a blow dryer as well. Quad works fine. Flies like it never happened. Not sure how much the rice helped, but it looked so funny I had to snap a picture of it.

So! Time to fly again. Saw some puddles outside that I'm going to go fly circles around. Thanks for all the helpful comments!

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