Oneblade FLYBARLESS 450Pro Helituning.ch EDGE Rotorblade BeastX - Adrian Zobrist

[mrfourtysevenman]

I JUST SHAT HALF MY WEIGHT IN BRICKS

[raykiii]

Dave Hubert AKA Night Flyyer sent me. What a great flight. Thanks for the post. Do you pinch your throttle?

[BLAdiZZ]

@raykiii dunno exactly what you mean with pinch .. but i run the kontronik governor mode at about 3700 headspeed in the video with 13° pitch i guess

[cbradsmith1]

great job i had thought about this awhile back but i was going to make a part to sit on top of the blades blades in case one broke it would fall and balance the other blade so my heli would shake itself apart . i was thinking of a spit weight with an arm on the blade at a scored point where the blade would break and free the weight to fall in place .never thought about flying with one blade. there,s something for you to work on Dave!!

[pinoydad0811]

that's a good way to save money ..a blade at a time lol..cool

[FlierDude77]

very cool video...now my only question is how well will it autorotate?

[whatsdare]

Check out NightFlyyer he's a Viking in the R.c world. Invented some great helis, and radios back in the day. He also, has experimented with single blade rotorhead designs. You should check out his channel! :) Great flying!

[whatsdare]

dave sent me! nice vid!

[lothar2048]

ha ha Enormous ;-) Very costless version. You only brakes one blade at the time....

[DjMasterBlader]

haha it surely is PROVED. Cool vid man

[jbx907]

wow cool man! thumbs up!

[untas]

wow...icredible....wonderfoul.­..

[Nomoreidsleft]

Is there any advantage in using a single blade?  You don't save in weight. As a matter of fact I would think the weight has gone up, since you need dead weight to offset the dynamic force of the single blade, which would have been dynamically balanced by the second blade.

[wouterdobbelaere]

@Nomoreidsleft: About weight saving: It depends where the center of gravity is. If one would make a long (and relative light) rod with the counter-weight attached to the end (more the way @NightFlyyer did), it could be made even lighter than the blade. Now I even wonder why we even bother to get the CG of our heli blades symmetrical!

[Nomoreidsleft]

@wouterdobbelaere Yes, but with only one blade, you would loose half the lift for every revolution, at least in theory. So you'd have to increase the RPM of the rotor by 2x. Another idea is to double the size/surface area of the one remaining blade, and add enough counterweight to offset that one larger blade. Then theoretically, the one larger blade would be more efficient than the two smaller blades. Another side effect is that you could run the larger blade at lower RPM for the same lift.

[whatsdare]

@Nomoreidsleft Check out NightFlyyer channel, he explains the theory of one blade causing turbulence for the next. Apparently one blade has just as much or more lift, then two.

[Nomoreidsleft]

@whatsdare I've seen Dave's channel. He comments that the single blade is longer than stock, so that's how you can achieve the lift of two smaller blades. (watch?v=qk-gjCmt-vU) The fact that a single blade running at a lower rpm generates less turbulence is a plus and further increases efficiency. This is quite a novel idea. I really think that Dave should file a patent on it, because it could be a great advance in helicopters small and large. Save in weight and complexity @nightflyyer

[ap0lmc]

@Nomoreidsleft I think you are right but He also said it wasn't his theory it was a professor of his I believe but he did come out with the first working model to demonstrate it's capabilities. Would be neat to see a life size version demo lol.

[whatsdare]

@Nomoreidsleft Good point, I good method to test this theory, would be to bench test two identical helis. One single blade, balanced. The other Regular. See which swash plate/main shaft bearings die first. Also battery life. That should answer your question.

[powerbeni]

Now assemble the counterweight. It has to be heavier, otherwise you have to start again. Disassemble and turn a little bit from thew material away. Repeat this step until the balance is perfect. Use your time, otherwise there will be extreme vibration which may cause the damage of your helicopter. Save, have fun!

[powerbeni]

Take your heli and disassemble the maingear and the anti rotation bracket, now the mainshaft runs just in the two bearings in the frame. A smooth and easy run makes it a lot easier to balance everything. Set your heli on the side of the frame so the mainshaft is horizontal.

[powerbeni]

HI. I`m the mysterios other voice in the video. I maschined (lathe) the counterweight which is made out of copper. The reason why copper is simple, it was the only material I had a this time. For the best results and easiest way to success, turn first the part which fits into the main rotor holder. Drill the needed hole so you`re able to put the screw thru and put the counterweight into your main rotor holder. Now`s the hardest part done.

[luismon2005]

@powerbeni Hi! how heavy is that copper counterweight compared to the missing blade?

[RCFindsen]

nice:P have you tried it on the tail rotor yet??

[NightFlyyer]

@RCFindsen Yes, I did.  See my Blade 400 video and other single rotor bladed videos. ~NightFlyyer~

[beecheli]

Brilliant! I would have been a "naysayer" had I not seen this video. Like how it sounds like a much bigger heli.

[NightFlyyer]

Absolutely Fabulous. I had no doubt it would work. You have take my original 1 bladed theory to a new level. Make sure to post this as a video response to my (fly bar versioned) 1 bladed heli videos!

Congratulations. Thumbs up. ~NightFlyyer~

[Gornflyin]

Excellent!!! Loved the sound, sounds much much better than any regular 450. Could you explain how you worked out the exact weight and length of counterweight required?

[migueldias66]

omg xD

[trxspirit]

BEAST