Solar plane RC. 600Km of autonomy without batteries. Land and sea monitoring. Model SolarDR1L 2.0

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You cant find our solar cells kits here:
RC Solar Plane and Solar cells kits: cutt.ly/wyzeam1
Solar panel for escooter Xiaomi, Segway, eBike: cutt.ly/byzevTu
White led light Solar lamp for all pools: cutt.ly/AyzaLO1
Blue led ligh Solar lamp for Liner pools: cutt.ly/jyzaNRM
White led Solar lamp for Liner pools: cutt.ly/1yzaRYU
Hi, This is Roberto's new project for MR WATT. A The new version of the solar powered Solar DR1 version L of 2150mm and with the possibility of loading 500 grams of instrumentation to monitor over 600KM of land or sea. An RC aircraft that flies with the only energy produced by the highly efficient solar cells, the patented custom profile and the most efficient electronic components on the market, have allowed the creation of a single model that flies up to 10 hours continuously in favorable sun and wind conditions. Thi is the only real solar powered without batteries solar RC plane. For information on the model and collaborations, contact us on www.mrwatt.eu or on info@mrwatt.eu. Good vision

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Опубликовано:

20 авг 2019

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Комментарии : 403

@SetitesTechAdventures 4 года назад

Put a 4G UAV setup on this and have it fly like an 8 hour waypoint mission with a livestream! This is awesome.

@sciencoking 3 года назад

We need this

@MrwattEu 3 года назад

Thanks, please contact us to info@mrwatt.eu

@sciencoking 3 года назад

@@MrwattEu Like, tell you the same thing in an email? lol

@Thedamped 3 года назад

@@sciencoking This is an ad for their product and English isn't their first language. So when you said "we need this" I think they thought you meant you wanted to buy one.

@sciencoking 3 года назад

@@Thedamped Oh. Thanks for clearing that up. Sorry!

@rosedruid 4 года назад

A capacitor or small battery would make it less sketchy when the wings tilt away from the sun temporarily.

@devrim-oguz 4 года назад

A supercapacitor would be nice

@Mike-oz4cv 4 года назад

@@devrim-oguz You’d need quite a lot of them in series, they have very low voltage tolerance. And they have less energy per gramm than lithium batteries.

@MrwattEu 4 года назад

@@devrim-oguz yes for sure, but our target was flight without battery!

@MrwattEu 4 года назад

@@Mike-oz4cv our target was flight without battery!

@MasboyRC 4 года назад

Put a mini jet engine is better, it will make this airplane flew faster ✌️😂

@GVChannel 3 года назад

Nice drone!

@gonun69 4 года назад

This is awesome.A friend and I were thinking about building a solar plane before, but never got around to it. I'd put at least a small receiver/servo battery in so you at least don't loose control when the voltage goes too low.

@MrwattEu 4 года назад

you need to review your project. Solar panel in cloudy mantain voltage but reduce the current. Anyway, you need to flight in sunny days if no battery on board!

@MasboyRC 3 года назад

Very cool 👍 it will be the next generation of rc plane on the future. Appreciate it

@MasboyRC 4 года назад

Awesome, your idea so briliant. Thanks for sharing 👍

@MrwattEu 4 года назад

thanks for your comment!!

@GreyHorse019 4 года назад

Incredible, Great Job,

@MrwattEu 4 года назад

Thnaks

@ryanm.191 4 года назад

All those alps Fpv heaven

@evandromp4277 4 года назад

Fantastic Evandro Pedrosa from Brazil!!!

@MrwattEu 4 года назад

Thank you very much!!!

@vinayverma9169 3 года назад

Great job 👍👍👍👏

@Juliocmp74 3 года назад

Fantastic

@Supermotoxl 4 года назад

Awesome solar setup, i'm thinking building such platform soon. Thanks for sharing.

@MrwattEu 4 года назад

Thanks to you!! Please watch the v4.0 part 1... it is better performances when we'll put solar cells.... Ciao

@03314338711 4 года назад

Wow , thats great ,

@tvnsi8556 4 года назад

Incredible!

@MrwattEu 4 года назад

Thanks!

@win7dot 4 года назад

Wow !!! I love this.. hope you will continuously develope it. add small battery for control surfaces and add autopilot features,fpv

@KenRomero 4 года назад

Congratulations! It’s quite an achievement. 👍😃

@MrwattEu 4 года назад

thanks for your comment!

@samibdh 2 года назад

Magnifique

@joepeeer4830 3 года назад

@ruiz_fpv 4 года назад

Enhorabuena por el proyecto muy muy bueno

@MrwattEu 4 года назад

Muchas gracias por comentar nuestro video!

@oneistar6661 3 года назад

The vertical stabilizer flutter is tingling my RC sense.

@Panchiks16 4 года назад

Здорово!

@andreadellamico1217 4 года назад

grandissimi!!!

@uniqueautomationelectronic5696 4 года назад

Thanks

@khalidmahmoud8307 4 года назад

awesome

@alfajospin8889 4 года назад

So amazing

@MrwattEu 4 года назад

thanks for your comment!

@mojakl8470 3 года назад

Great job..😎

@MrwattEu 3 года назад

Thanks a lot!

@mojakl8470 3 года назад

@@MrwattEu my advise..becarefull..

@WickedTRX 4 года назад

I laughed when i saw the title and looked at the thumbnail, Solar Plane and the Union Jack. No small feat! Congrats

@MrwattEu 4 года назад

:-)

@tanmayvadhera3805 4 года назад

Bravo !

@MrwattEu 4 года назад

grazie! Bravi Roberto e Diego!

@ximenji Год назад

Wunderbar

@sufysprojects2689 4 года назад

progetto STUPENDO !!!!!!

@MrwattEu 4 года назад

Grazie! Spero che ci seguirai ancora. Già abbiamo pubblicato il modello 3.0 di questa estate e siamo in procinto di pubblicare la versione 4.0 almento la prime prove senza celle soalri ;-) Ciao

@sufysprojects2689 4 года назад

@@MrwattEu assolutamente !! Interessantissimo

@crafter2u 4 года назад

nice

@user-vz2pz8bd5q 4 года назад

Крутой проект

@MrwattEu 4 года назад

спасибо !! Мы строим еще более мощный солнечный планер!

@kiranranjitkar2748 4 года назад

Great for Monitoring.....

@MrwattEu 4 года назад

yes for sure!

@HowToDIYRc 4 года назад

awesome project super green :D

@MrwattEu 4 года назад

Thank you very much for your comment!! We enjoy with solar energy using it in lot of applications!!! Thanks

@danieleberselli5332 4 года назад

..Complimenti

@gianluigimicheletti3880 4 года назад

Grazie!!! è Roberto che è un grande.

@bennybear1597 4 года назад

This much optimization is increadiblly hard, this is a great success

@MrwattEu 4 года назад

Thanks a lot

@MrwattEu 4 года назад

We developing new model like glider, very optimized and best version. Can load 500gr and flight without battery too, you can add backup battery and in flight recharge!!! See you soon!

@TmanaokLine 4 года назад

"2019 Solar RC Plane" *2005 Video Editing Quality* lmao

@user-ds9bk9tx5b 4 года назад

Rocking

@memres84 3 года назад

New energy-free planet conqueror..

@adamskypixelds6390 4 года назад

love this, Stay safe my brother from Italy , Anyone here who suggests a battery or capacitor is to remember the goal. no battery - a capacitor is a form of voltage storage I.E a battery !. try and appreciate his hard work and building skills instead of these comments Ciao amico, Rimanga sicuro ..

@MrwattEu 4 года назад

Hello Adam, we stay good at moment. I hope we'll continue with this great project very soon. Our target was flight without bateries, and now we can add capacitor for flight in cloud days too. We developping new model like glider very optimized that we can share very soon, at moment we tested without cells, you can see the video Version 4.0 in our chanel!! Thanks and see you soon.

@KoNT0Lod0n 4 года назад

This idea is very awsome .. maybe this idea can implement for surveillance big scale area monitoring next future 😂 just in my dream maybe someone can make it happen soon

@MrwattEu 4 года назад

Thanks a lot

@MrwattEu 4 года назад

yes for sure!

@jazonvagner3602 4 года назад

Great, but "Ah"? The dimension of current is "A" (ampere).

@nyeleskettes 4 года назад

The dimension of AmperHour is Ah.

@jazonvagner3602 4 года назад

@@nyeleskettes I know, but from 1:16 the meter is set to the 60A range, then current is measured.

@joeschmo9953 4 года назад

Very true

@danielleyva7881 4 года назад

People make that mistake a lot.

@jazonvagner3602 4 года назад

@@danielleyva7881 Indeed they do. But making that (or similar) mistake implies the lack of attention to detail, for me at least. Which is strange, considering the seriousness of the title.

@design333d5 4 года назад

good!!

@MrwattEu 4 года назад

Thanks

@isbestlizard 4 года назад

nice chill music! i wonder how much better batteries and solar panels and autonomous guidance needs to get before something could stay in the air forever!

@MrwattEu 4 года назад

we need the version 4 that will be better ... you can see the tests without cells in our video... thanks

@lucywucyyy 3 года назад

ive been wanting to see a thing like that

@rudyRudysr 4 года назад

Good luck 👍

@MrwattEu 4 года назад

Thanks for your comment!

@rudyRudysr 4 года назад

@@MrwattEu okey

@Harlanmote 4 года назад

It’s inspiring to see a modern day thinker.. I was telling my friend about doing this 10 years ago. It’s the best thing to happen to the RC plane hobby since the brushless motor.. It would be a great addition to adapt this to sail planes/ Gliders. I wish my flying buddy was still around to see what you have created. I knew it could and would be done at some point. 👍

@MrwattEu 4 года назад

Yes you are right, today high-efficiency solar cells offer the performances that previously were unthinkable in so little space, in addition to the efficiency of brushless motors. These two things together allow this result is not possible a few years ago!

@mikerogers4640 4 года назад

Correction: current is measured in A, be aware that Ah in a measure of battery capacity. And grams are g, not gr. The solar cells produced 12V off load and supplied 9A on load. What was the on load voltage, please?

@MrwattEu 4 года назад

ok Thanks!

@charimuvilla8693 4 года назад

My country should buy some of these from you for firewatch. This is very useful and cheap. But I would put a small battery on it just in case.

@dethlife111 3 года назад

this is fantastic honestly. wish i could build something like this but my glue gun skills are still at lvl 1.

@MaxMayer1 4 года назад

👍👍👍

@bens4446 3 года назад

Congratulations on your acheivement. The handling looks a bit tricky since the ailerons are also the elevator.

@MrwattEu 2 года назад

we have model 2700mm bigger and better performances

@PhysicsViolator 4 года назад

Great stuff man , any resource where you got those beautiful solar cells? I might build a fast electric jet drone like a B2 completely covered with this stuff ..

@gianluigimicheletti3880 4 года назад

Hello, thanks for your comment! We use Sunpower solar cells. We are custom solar panels factory ad ne hace A grade solar cells best efficiency. You can find it in our web

@robertopolizzi2684 4 года назад

Guauuu

@jefpostmus109 4 года назад

Looks like an amazing project . Well done 👌🏻. It looks very unstable though . Why the choice for a straight wing without elevator ..?

@niconico3907 4 года назад

You can also see the proportions of the plane dont look good. Short tail, long nose, no angle on the wing, bad ratio on the wing, the wing spann should be way longer, and the cord should be smaller for higher performance. They should have taken an existing glider design and put solar cells on it.

@rickburke7167 4 года назад

In production the wing connector stubs should be electrical connectors too. 10 hrs sunlight should drive it way above all but the highest clouds and it`s glide in the dark could be enough to allow for most of 24 hr use as e.g. comms transponder.

@BirdRunHD 4 года назад

If you would have added an elevator you wouldn't have violent pitch behavior. Maybe a swept flying wing design might be better if you're going for drag efficiency and durability to protect those delicate solar cells from landing damage, just some thoughts. Inspiring video.

@MrwattEu 4 года назад

Thanks for your comment! The new model it'll be different like a glider and without batteries. 2650mm of wingspams and can charge about 500gr for instrumentations! All the tips are precious and I hope to see our new model shortly and tell us something to improve them. Thanks

@user-tf6pf6sy4u 2 месяца назад

Great work. I am also working on a solar glider, 2 meter wingspan, 25 cn chord. It can have 24 cells on wing. But after soldering the cells some cells are showing very low voltage. I think the soldering temprature is damaging the cells.

@ronaldd2154 3 года назад

This is just genius..... Exactly how I imagined einstein seen the future! Year 3000: we've successfully created a giant RC plane with no batteries, directly powered by the power of the sun! Just look at all those cheery cheering people up there! (comes a cloud☁️)…......... MAYDAY! MAYDAY!!!!!!!

@NutScrewGamer 4 года назад

Please use super cap to maintain the output

@gianluigimicheletti3880 4 года назад

Hello, yes it is possible but our target was flight without batteries.... With supercap is simple ;-)

@robertbennett848 4 года назад

It would have been nice to have a voice over describing what you did.

@MrwattEu 4 года назад

Hello Robert, we'll try in the next video for the 4th version of ouur solar plane. My english is poor but we'll try!

@grimfpv292 4 года назад

Italian ingenuity!

@MrwattEu 4 года назад

???

@grimfpv292 4 года назад

I'm just saying good work. I assumed you were Italians.

@MrwattEu 4 года назад

@@grimfpv292 ehehe yes we are Italians like Leonardo da Vinci ahhahah!!

@grimfpv292 4 года назад

@@MrwattEu That's what I was getting at! :-)

@grimfpv292 4 года назад

@@MrwattEu I remember that airfield, you've launched some cool stuff there before! :-)

@luismartins5023 4 года назад

Este tipo de energia e nosso futuro

@ThatspainGameplay 4 года назад

3:25 i thought it was bird instead of drone following that plane lol

@MrwattEu 4 года назад

:-)

@charlesaghahowa7476 2 года назад

A battery would also be nice too

@scottwatschke4192 3 года назад

I also love the music who is that? Sweet dream.

@gregstafford2155 4 года назад

What if you made a bedini motor or low current pulse motor with battery and solar, it could fly 24/7

@gianluigimicheletti3880 4 года назад

Hi, our goal was to fly without a battery and to be able to load some instrument weight. However, from there, you can do everything and even what you say. It's a great project and it's just the beginning. Thanks for your comment

@thesurvivalist. 4 года назад

A small 4oz battery or super cap would stabilize the power output!

@MrwattEu 4 года назад

HEllo, yes for sure! Lot of people use batteries and charge regulators but finally, the battery discarge and you need to landing. Our target was flight without batteries, others are simple to to. Ciao

@veronicathecow 4 года назад

@@MrwattEu Hi, a small super capacitor will allow the solar panels to charge for the short intervals when the motor is not drawing current. This may increase your efficiency a bit. I am talking small , under a farad.

@MrwattEu 4 года назад

@@veronicathecow Hello Veronica, you are right. Have you a scheme of this? We can add it in the new model. Thansk for your comment

@veronicathecow 4 года назад

@@MrwattEu Hi, it would just be in parrallel with the motor. You will need one that will take the peak voltage of the solar panels at no load. Like with lithium cells they can get unbalanced. You could try something like 5 of these in series (assuming your off load voltage is around 20 or so volts but the is no balancing circuit but you could try it to see if it makes a difference and then protect them with Zener diodes. Not sure how much that would weigh. There will be smaller capacities which might do just as good a job. Trial and error I am afraid. Good luck and thanks for making the video.

@MrwattEu 4 года назад

@@veronicathecow Thank you very muche for your explication!

@patsquach4080 4 года назад

Make one that looks like a falcon or hawk to fly around a farmers crops to scare of pests ...

@MrwattEu 4 года назад

thanks for your idea! I don't know if there would be enough space to place enough solar cells for autonomous flight without a battery! ;-) Comuqnue is a good idea!

@nielsdaemen 4 года назад

Looks a bit sensitive on pitch... You might wanna add a horizontal stabilizer or canard!

@RCB_Diy 4 года назад

👇wow

@MrwattEu 4 года назад

tnx for your commet

@eziovieira6664 4 года назад

Aaaaaaaamazin

@MrwattEu 4 года назад

thnaks

@tweakradje 4 года назад

Now build in gps and flightcomputer for autonomy! Pre program or on the go. Does it fly with cloudy weather too? Can it fly upwind? What is max headwind? I know, questions....

@MrwattEu 4 года назад

if you add small battery you can flight with some cloudy but solar panels works only with direct sun. about wind, the plane is very light and should be better with low wind. We dont test it

@kartoffelwaffel 4 года назад

Yeah AtlantikSolar built a solar plane a few years ago which clocked 2338km and 81.5 hours (4 days and 3 nights) continuous flight. Check them out Edit: here's the video: ru-vid.com/video/%D0%B2%D0%B8%D0%B4%D0%B5%D0%BE-8m4_NpTQn0E.html Looks like they only had to land due to bad weather.

@ericfernandes3966 4 года назад

Amazing project ! If you put a battery of about 2AH atleast . It would very helpful. What you can do to improvise on this is First direct the charge to the battery before flying. And then when your flying you could charge and discharge the battery at the same time. Or you can send it up without charging , charge the battery first in the air and then divert the charge to the panels . You could even direct 10.5 A to the motor directly and 0.5A to the battery simultaneously. Good luck for your project! And I will follow up on your videos. Peace✌️

@MrwattEu 4 года назад

thanks for your commet, our target was flight without batteries. Now we can do anything!!

@ericfernandes3966 4 года назад

@@MrwattEu your target was accomplished very successfully. CONGRATULATIONS TO THE TEAM🎉🎉

@MrwattEu 4 года назад

@@ericfernandes3966 yes! thanks for your comment!

@fprintf 4 года назад

This might be a silly question, but what happens to the charge generated by the solar panels at low/no throttle? How is it removed?

@MrwattEu 4 года назад

Hi, thanks for your comment, when there is no absorption, it is not production. You have to think that the solar panel works like a battery. Release current only when there is an energy absorbing load. The difference is that the solar panel produces energy in real time from the sun, while the battery is a store of energy.

@AtulSingh-fv4uq 4 года назад

Really nice plane. But on long flights a small cloud patch can send it spiralling down to earth.

@gianluigimicheletti3880 4 года назад

Its very good aerodynamic. It continue flight log time with cloud and without battery, but for safety, we can add small backup battery in the nexts for long range flight. Thans

@vijaychandra91 4 года назад

Hey what about flying this plane above the clouds 😊

@AtulSingh-fv4uq 4 года назад

@@vijaychandra91 Nice idea but this plane will need lot of modifications for doing that. Clouds can be as high as 5000-25000 ft with jet streams and all other stuff we ll need a very powerful plane.

@MrwattEu 4 года назад

Hi, you're right and we're really glad that our video is gathering your interest, thanks for that! This model doesn't meet the criteria to fly over clouds or in poor weather conditions but is the answer that is possible to fly without batteries for many hours in good weather conditions, just leveraging solar energy.To fly in extreme conditions or very high altitudes, you develop a model larger than this, using different materials, for example expensive carbon fiber, add batteries that working in backup mode, engines replacement, electronics;wind is different at 5000ft than 300ft and need different airframe but yes it'is possible!

@vijaychandra91 4 года назад

@@MrwattEu thnq for ur reply and u done impossible as possible u flew a plane without batteries and u can definately modify this plane to fly above the clouds 😊 normal fuel plane have a difficult situation flying above the clouds because there is less oxygen for combustion and ur plane doesn't need any oxygen

@divyeshviradiya1891 4 года назад

Best use of solar pannel i have seen ever Well done

@MrwattEu 4 года назад

Thanks a lot

@linhgt 4 года назад

So the plane need to follow the sun to fly around the world and it like a kite without string:))

@MrwattEu 4 года назад

ehehe shold be good!!! I'm sure that some days it ll be done. Thanks

@kadmow 4 года назад

@@MrwattEu " It could be done, at the POLE... would be an awesome project, flying in antarctic summer at a radius of ~230km from 90 degrees south that would match a speed of 60 km/hr for a 24 hr trip around the world. - not sure if gps works well down there.... need a good inertial system lol... (or a long string)

@MrwattEu 4 года назад

@@kadmow This would be a really ambitious project !! We need to do it in several steps, for the moment we are on the right track :-)

@denbecr49 4 года назад

The earth is 24,000 miles in circumference. Since there are 24 hrs. in a day, the plane would have to fly 1000 mi. per hour to stay in sunlight at the equator, but less at other latitudes.

@domnuspike 4 года назад

10hrs here, in eu.. but north pole :D

@gianluigimicheletti3880 4 года назад

heheh in Summr 6 moths in the north pole ahha :-) thanks

@klausbrinck2137 4 года назад

You should climb always directing north, so that the sunbeams are always perpendicular to the wings/solarcells, even if that means that flying northwards is at that moment not the desired direction! Even if you have to fly backwards (refering to yout actual direction/aim) for a while, you will then still have much more power for those climbs! Let´s say you fly southwards, and want to climb 500m: So you turn, and beginn the climb flying northwards. After 500m of climb, you are now 3000m further north than at the moment you begann the climb, and while your aim was southwards, but still this 500m-climb will be much easier, so that it would be worthfull, even for that you had to fly to the wrong direction for a while!!!

@super4jet 4 года назад

The height is not too important, the climb rate doesn't matter as long as you are able to climb at all. You don't gain anything from excess energy. In this case it is about efficiency, and with every minute flying in the wrong direction you loose 2 minutes as you need to fly back, and time is pretty much the only limiting factor (as the sun sets). If you don't care about range and want instant feedback, you also don't need to care about the direction as it probably stays close to you ;-)

@MrwattEu 4 года назад

Hi, it's true what you say, actually the ideal time to fly with these planes and in Italy it is between March and October, the rest of the year, you can fly but I spend during the central hours of the day to take the sun as perpendicular as possible

@user-lq1gy4ew9o 3 года назад

老外就是牛

@gabedarrett1301 4 года назад

Lol the editing makes it look like it was made in 2009, but great flight, nonetheless. Also, I'm hoping you have a voltage regulator to protect against voltage fluctuations at different light intensities.

@MrwattEu 4 года назад

hehe I use movie maker, but in 2019! :-)

@lorenzomorandi8839 4 года назад

Bello, ma mi sembra un po' instabile sul beccheggio (o comunque troppo reattivo)...personalmente, se proprio lo volete fare tuttala senza freccia, opterei per un profilo autostabile in sè, senza affidarsi solo agli elevoni... in alternativa ala a freccia oppure canard ...Comunque sono solo mie considerazioni, il modello è bello, congratulazioni !!!

@MrwattEu 4 года назад

Ciao, bravissimo! Già siamo andati avanti se vedi la versione 3 del video di 2 o 3 giorni fa e la versione 4 molto diversi dai 2 tipo aliante. Sempre volo senza nessuna batteria ovviamente. Ci sarà da divertirsi!!! Grazie ancora e spero che ci seguirai negli sviluppi, tutti i commenti sono utili. Ciao

@brandonfranklin4533 3 года назад

I wonder how scalable this is. Could you fly a man in a solar ultralight?

@someonewhoisgreek6186 3 года назад

What was the procedure that was followed to make the wings. I can't seem to find a good way of making an airfoil out of foam. { Wire cutting is kinda sloppy :( }

@aerofpv2109 4 года назад

Build a solar skyhunter style rc airplane for FPV and I will order it.

@MrwattEu 4 года назад

we need to check the space for solar cells... I'll do calculations

@Andy-df5fj 4 года назад

It looks very sketchy on the elevator. You need a longer tail with an elevator instead of elevons.

@MrwattEu 4 года назад

Hi, it is quite precise, but surely with the longer tail it works better ... you can see version 3.0 in our video with the longest tail ... In addition to this we are doing 4.0 with the structure of a glider, still better .... Thanks for your comment

@ueligrunder609 4 года назад

9A not 9Ah 11a not 11Ah very great Plane congratulations

@gianluigimicheletti3880 4 года назад

Thanks

@maxsu8795 9 месяцев назад

Fly 600km need at least 10hrs, it means sunset arrive, you wouldn’t have enough watts to keep flying.

@svenguba4727 4 года назад

Hey, what specific BLDC motor are you using in this project?

@gianluigimicheletti3880 4 года назад

is high performance motos 3S that we supply at 12amps like showed in the video

@Ghosty-RC 4 года назад

@@gianluigimicheletti3880 I think he wanted to now the size, the kv rating and the name and model. Ot did you build the motor yourselfe?

@burakloves 4 года назад

very good work BUT.....i am sorry u have alot of aerodynamic problems and very big center gravity problem this plane wings must be longer than it has. Then u will have more area for solar power.And more balance.Tail must be longer becouse head always give a direction down when u want to fly.

@MrwattEu 4 года назад

Hello Burak, you are right, we alredy correct it like you said, we made version 3.0 and published the video and now we making a new one like glider!!! Thanks for your comment

@macmaniac77 4 года назад

what music is this? quite nice, great work!

@MrwattEu 4 года назад

it is Sweet Dream by LAMASS. it flight witout batteries!. If you need solar cells high efficiency contac us. Thanks

@super4jet 4 года назад

This is awesome! Are you going to share the build files/instructions?

@MrwattEu 4 года назад

Hello, currently we are more focused on making the new model even more performing. But we will certainly share our experience. Already in the comments we are doing it by answering all the questions. thank you and keep following us