Dragonfly DF1 test rocket tip-jet H2O2 by..................

[Downfacingdog]

stolen idea from Gilbert Magill in 1954

[everett270]

There is no torque caused by the rotor, the tail rotor acts only as a rudder.

[Ibringthetruth1]

is the fuselage made of wood?

[GreenAce92]

why is there still a tail rotor? Because there isn't a rudder?

[JetBeetlePropulsion]

How long could you stay airborn ? and what's the fule consumption ?

[Zooni2]

Germany was using this technology in WW2. It's incredible and interesting. I thought the design made no torque, but the tail rotor on this copter means that's not the case.

[BrohnsProductions]

absolutely amazing!!!! didn't think you were going to take off initially

[birchyboy01]

As an ex-helicopter pilot, this looks the sort of thing to get me in the air again!

Some comments: Cyclic passes through the pilot's forward vision. A coiuple of linkages will pass it underneath in the next model I assume.

No pedals? Torque altered by rotating the cyclic?

One turbine failure would just reduce radial power, not un-balance it.

Standard auto for both failing, I assume.

[birchyboy01]

On second thoughts - blade tip propulsion = no torque! Hover rotation by rotor shaft clutch? I've got to get one ...

[Obelix6]

They could use coke and mentos as an alternative fuel! haha

[1moonlord2]

Steampunkers gona like it

[Dirtman1020]

Holly crap! That sounds so cool.

[shoopwhoopX]

wuuuuuut

[lotarzi]

Top

[somuch721243]

isn't h2o2 poisonous/hazardous?

i think the steam too..

[saradzic1]

what kind of an engine are you using

[swisscaching]

No engine, only roket blade tip

[azezrtyuuiopqsdfghjk]

I recommend the hobbyking parts for this heli LOL

[MrLeoGP]

el inventor es un mexicano

[uudo]

totally looks like it's gonna blow up any second, but I love it.

[fordskydog]

want.

[Interpolerater]

Awesome work!

[krap101]

Looks like it's craeting some sort of dimensional rift :P

[RoboTekno]

That thing is just epic. Congrats to the pilot and designers :D

[k0nstrukt0r]

афигенский дрындалёт !

[380zeaiclies]

Awsome

[cwren1022]

Not a bad chopper, runs off of hydrogen peroxide can fly 115 mph but all things considered it isn't worth the 100000 plus sticker price

[LarryCanFly]

Ah, so the tail rotor solves the auto-rotation issue? Very cool!

[czesnik12]

It has 2 rockets in the tips ?

[t33fk4y]

so, how far can this thing currently fly? and how much fuel uses it?

[matt87305]

why does it have a tail rotor? i thought tip jet choppers required no tail rotor.

[Derelictos]

@matt87305 for steering maybe, how else can he control the yaw of the heli. but good comment though you wouldn't need the tail motor really to counter the rotation because the force applied comes from the blade themselves.. But for steering then yeah you need the tail rotor.

[superhakujin]

@Derelictos I'd be interested to see a coaxial dual-rotor version that yaws using differential braking, like some helicopter drones.

[avocatodiaboli]

Die Zukunft der Drehflügler UL-Szene

[swisscaching]

A ROCKET powered single-seat helicopter was launched today at Oshkosh...

[moneyman10k]

this is the most rinky dink piece of awesome shit i ever seen

[masterplomo1]

amazing

[hecklovetch]

This is too awesome....

[BrunoBagina]

Im very happy you guys got it flying again

Great Job

[adolz1000]

thats wikked...

[balakdurjana]

Watch your head dude..!

[DenSucher]

Еще этих вонючек не хватало.

[aliyevak]

Хочу себе такой!

[DeFineAl]

Great Idea

Normal Helicopters probably use a huge amount of fuel just keeping the engine in the air and in the inefficientcies of the power train. Here this is kept to a minimum and the icing on the cake is the lack of pollution. Keep up the good work team this is the technology we need.

[radicaldanzero]

High concentration H2O2 is passed through silver mesh in the rockets which cause the peroxide to decompose rapidly producing thrust. The only hazard is the high concentration (over70-85%) H2O2. Availability of high grade H2O2 can be a problem unless you can manufacture it on site. Peace

[radicaldanzero]

Looks exactly like the Intora Firebird. Nice to see that some one is still pursuing this concept.

[swisscaching]

DF1 Test: -3 Celsius (Dust from the rockets is steam until the rockets burn after several seconds 100% of the H2O2).

[csakamatsu]

That´s cool. But, I´m concerned about safety issues taken. First: The copter was too near the cabin. Second: The assistant it was necessary to be aside the copter ? Third: vehicles running nearby.

Aside these considerations, was very interesting to see the expiriment.

[eltotoX]

@csakamatsu Science wouldn't be fun if it wasn't dangerous! But yes, the passing by vehicles concerned me, too.

[ThomasGrillo]

That is one awesome helo. :)

[gateszacky]

can anyone tell me how it works?

[kamakazialex]

amazing!

[45von]

Very nice... simple AND quiet.

Keep development going, increase range and reliability...

[Iris421989]

devil magic

[jevansturner]

Very cool.

[vgnrdnzttmcl]

Parabéns!

[vgnrdnzttmcl]

gostei! parabéns!

[07041954]

Um produto ecologico e util ao meio ambiente .

[USAFA21]

How long can it fly for and how much?

[NEEDCARS]

50 min, price unknown

[744682532]

What's really neat about that, is how you can visually see how the controls alter the blade angles to change direction.

[swisscaching]

Thank you for your comment, I'll take the time to answer these next few days ....

[b1cc2]

@swisscaching cool technology, but why are you lying? "This is the most stable and smoothest vibration free helicopter I have flown"

[llieske]

@b1cc2 how is it a lie if you yourself haven't flewn it and don't know? It makes perfect sense that it'd be vibration free... no engine... no vibration!! still the propellers would cause vibration but less than an engine powered copter.... your thoughts?

[Tejfogu1]

nice work!

[Smaplock]

I would like to see the price tag.

[csordog]

csak azt tudnám miért veszik ki az ellenző hozzászólásokat :)

de azért hajrá.

[Zikatus]

What blades and what servos ?

Think not capable for 3D flight...

[gunsandyoga]

wow, cool! No Pollution!

[jimday666]

you're stupid, if you don't believe in science. i bet you're on the other team. how is it called? god?! fuck it.

[744682532]

Hey now, I have virgin eyes.

[GreenAce92]

@jimday666 hahaha god flies without rotors

[Steez88]

Maybe the smoothest ride, but it can also make the most annoying sound known to man. Ever.

[744682532]

That's why it's called a Hissocopter.

[Beardy241]

Astonishing! Well done. Keep going!

I continue to have the utmost respect for Test Pilots!!

Although it sounds noisy on the video, my guess is that it's quieter than a similar sized aircraft with and ICE. ??

[kennethj1956]

They will be missed. RIP♥

[roflmahwaffles]

Garrysmod IRL

[PeEtHeHuN]

ez qrva jó :D

[ILovePityoka]

i want one of theese too :D

[cs3ee]

Fake

[badmanners411]

@cs3ee Explain?

Is it not a Demo helicopter, does it not have tip-jets? Is it not powered by H2O2? Is it not the Dragonfly DF1?

[cs3ee]

Just jokeing :DDD

[alkoed]

ITS teh ROFL copter!!!! soi soi soi soi

[cmtemoacirsilva]

Great job ! I´m flying helicopters over 30 years and really would like to fly this one.

Congrats!!

[ekdavid]

amazing!!

great job

[Bezilon]

I just love the swoosh sound it makes on full rotations speed, makes me feel it's a 22xx flying vehicle =D

[ScottCoutts22]

I thought peroxide engines started with peroxide, and reduced it using a catalyst to produce oxygen and water? Anyway, even if it is tanks of "beautifully flammable" fuel, are you saying that as a bad thing? It certainly wouldn't be the first vehicle to carry flammable fuel on board.

[TheNewVideos]

I dont understand how it works?!

[juani20008]

@TheNewVideos me too

[mbzbugsy]

@TheNewVideos

The H2O2 is pumped into a reaction chamber where a catalyst, usually a silver or platinum screen, triggers decomposition, producing steam at over 600 °C, which is expelled through a nozzle (the tip of the rotor blades), generating thrust.

[danobaka]

@TheNewVideos hydrogen peroxide is pressurised with an inert gas and pumped up out of the end of the rotors through nozzles containing silver, the silver causes a catalytic reaction which ignites the hydrogen peroxide and generates thrust. rocket-powered rotorblades basically.

[TechnexLOL]

Now that is awesome! Would love one of these...

[weimyteam]

How does it autorotate? Most devices of this type perform very poorly in autos.

[Toad261183]

come producete l'idrogeno?

[leemerson76]

Very impressive.

[NigelLoller]

Wow ..Fantastic...I love the concept,how much torque is there..I realise that the tail rotor is doing something other than left and right?...also how is the fuel mixed to form propellent at the tips?

[ElyanSun]

Splendide, Un Chef d'Oeuvre Authentique

[kbrflc]

magnificent!