Posts Tagged ‘Stunts.’
Single Rotor Bladed E-Sky 900 Heli + Mild 3D STUNTS of Blade 400 & Hyperfly
*** Please read before Commenting*** Vaguely tried a long time ago before today’s vast technology, I have proven the Single Blade Rotor head concept to myself using today’s modern machines. Why not before? Well, people said the concept is so ridiculous they would never consider doing it on big helis or models, because it simply couldn’t work and would be a waste of time. Well, my past single blade rotor video experiments led me to this next step, a bigger, heavier helicopter. I used my E-Sky 900 for this next experiment and is not a waste of time to me. It is science, physics, and fun.
Theory: With one blade, there is not as much blade turbulence, thus it’s quite sufficient, uses less power, has longer run times, and is quieter in cruise.
My physics friends tell me that as long as the counter weight is on, there would be no extra stress on the bearings. Bearings get changed at regular maintenance intervals on helis, so this is no problem. If my bearings start wobbling, I will tell you and change them.
With today’s materials and technology, almost anything is possible.
CCPM helis are difficult for most folks to learn to be good on in the first place, let alone for novices to be able to experiment like this.
So for those “Armchair Pilots” with negative opinions, I suggest you make your own heli, learn to fly it good enough to experiment, then put one blade on it to prove it for yourself before making opinions that it won’t work, is unsafe or ridiculous.,etc, etc.
Bumble bees aren’t supposed to be able to fly on paper blueprints either (due to unusual design and balance), but they do….backwards even! So never say never.
The point is that lots of ideas may work if your not afraid to try them. That’s why I think a lot of our stuff is manufactured overseas, and not here is because people are always so skeptical here, afraid to get hurt, etc, etc.
My idea sounded ridiculous to everyone I told I was going to try it to, but after explaining the theory, and with visual proof, they are now believers.
Lot’s of people are afraid to try anything outside the box. But not me.
I have proven this concept to myself. Maybe it’s not good for big helis, but it’s sufficient for me as my helis do all I want or need them to do at my age.
I am sure that I have proven enough that at least small toys, models, and flying machines will become the next step to use the single blades on, as it proves stable, uses less power, and would be cheaper to make.
I like my setups so much, I am leaving my Hyperfly, Blade, and ES-900 just like they are now. It is way easier to fly, believe it or not and I have spare blades for all. Haha.
Stay tuned for more experiments like this and thanks kindly for all your support.
Best Regards,
Dave Herbert
Academy of Model Aeronautics # 8221
Contest Director, Leader Member, Scientific.
Video Rating: / 5
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Huge Raptor 30 Nitro RC Helicopter Doing Stunts and Tricks
This video is of a huge fuel powered RC helicopter doing stunts and tricks, It is a Raptor 30 Nitro RC Helicopter. This is one scary heli!
This thing is pretty scary to see and hear in person. This thing is an absolute beast of an aircraft! I can’t believe this is what a radio-controlled helicopter is capable of doing.
I would certainly use this for RC Helicopter Fishing due to its size and flight times.
Video Rating: / 5
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VIENNA’S HIGHEST LEVEL: DC TOWER 1, Insane 3D FPV RC Helicopter Stunts Building Heli Skyscraper Top
Vienna’s and FPV’s highest level.
DC (acronym for Donau City) Tower 1:
Height: 220m, 60 floors
Finished in summer 2013
Right now approx. 2/3 of the final height: 150m
32nd, 33rd and 34th FPV helicopter flight
Live video feed, video from onboard camera gets transmitted in real time to the video goggles.
FPV= acronym for “First Person View”
Setup:
Standard Thunder Tiger Mini Titan E325
Aluminum rotor head
Aluminum washout base
ACE RC BLC-40 ESC; Settings: Helicopter mode without governor (Throttle curves), Standard timing, Quick throttle response, No brake, Light discharge protection
Hacker A20-6XL motor without cooling fan (broken at a crash), 15 tooth pinion
Thunder Power 11,1V 3s 20C 2600mAh LiPo battery (weighs only 188 g!) or RockAmp 11,1V 3s 2200mAh 30C (193g, but very powerful)
Turnigy 3A Low RF Noise external BEC (UBEC), 6V voltage output
6,3V 2200?F buffer capacitor for the BEC, but not necessary
3x EMAX ES08A analog swash plate servos from BEVRC, 10.5mm servo arm length (shorter servo arm= better resolution!!!)
1x Robbe FS550 BB Carbon Digital Speed tail servo, 8mm servo arm length
Robbe- Futaba GY-520 gyro (F3C flight mode, fast response)
Align 325 PRO rotor blades, they are good enough for soft 3D
Align Tail Rotor Blades for T-Rex 450 (plastic)
Graupner- JR MX-16S, 40 Mhz transmitter (+ emergency booster)
Graupner/JR SMC-19 DS 40 MHz receiver with 1,75m antenna (Lamda/4)
Approx. 2550 rpm headspeed
+11° -10° blade pitch
FPV Setup:
1,3 GHz 400 mW video transmitter from BEVRC (www.bevrc.com) with small Lawmate 3 dBi antenna
Lawmate 1,3 GHz (1.2, 1.3 GHz) video receiver with BEVRC 3 dBi antenna (upper plastic casing removed, should be better for 1280MHz)
Video receiver powered with 11,1V LiPo battery
1,2 or 1,3 GHz transmitters are legal in Austria with Radio (Ham) License between 1240 and 1300 MHz up to 200W
WDR700 (= KPC-DNR700PHB) PAL camera (Sony Super HADII CCD), factory (= default) settings, I’ve tried other settings but default is the best in my opinion
Fat Shark RCV922 Aviator Edition video goggles
Microphone
Weight FPV gear: approx. 100 g
Powering the FPV gear with the 3s flight battery through the EH balancer connector
Ferrite ring (= toroid), 16V 1000µF Capacitor against interference (= LC- filter), the BLC-40 has much more noise than the Kontronik Jazz 40-6-18. I could not see any lines with the Jazz 40!!! But the soft start of the Jazz is not good for autorotations…..
FPV Recording:
Video splitting with a simple Y-cable
Canon MVX200i Mini DV PAL Camcorder (DV-AVI, 720×576, 25 fps)
Deinterlacing with “Alparysoft Deinterlace” (Advanced method, ME search enabled) ,saved with “Cedocida DV Codec” and Virtual Dub
Editing with Corel VideoStudio Pro X4
Compressing with Xvid, Single Pass, Quantizer 2 (approx. 72 MB per minute), MP3 256 kps CBR Stereo (I take PCM 16bit, 48000Hz, Stereo now because Corel VideoStudio Pro X4 has no MP3 option anymore)
This is the best possible quality in my opinion (with this camera, transmitter setup)
AUW 980 g
Maximum flight time (hovering, slow flying): 10 min. (260 mAh/min energy consumption)
Average flight time: 7 min.
Range: approx. 800m with this setup
Costs:
Heli, camera approx. 850 Euro
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Buy Syma X5SW
https://uavsystemsinternational.com/product/syma-x5sw/?wpam_id=7
This is Syma X5SW Quadcopter with WIFI FPV Camera. It’s the same old Syma X5C Quadcopter but this time it is equipped with a WIFI Enabled camera that sends live video, and still shots directly to your smartphone via a live WIFI link. Now you can view the video coming from Syma X5SW on your Smartphone, Android or iPhone and take pictures and record videos with just one click on respective icons. All pictures and videos are stored directly on your Android or iPhone. It’s a very light weight quadcopter, so flying it outdoors, if there are winds, this quadcopter is not going to fly well. This quadcopter needs calm days to fly outdoors, else you better stay indoors with this quad.
Camera Live WIFI Transmission has a serious and dreaded delay so you do not want to fly FPV with this feature. Also the recorded pictures and videos are not of that good quality. They are still old school low resolution pictures and videos that in no way we can call HD. Its standard definition camera, not High definition
Nonetheless is a neat little fun quadcopter.
You can order it here
http://shrsl.com/?~9el7
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Video Rating: / 5
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World’s Highest RC Helicopter Autorotation! Logo 500 VBar FPV Heli, Rollei Bullet 5s, Stunts Speed
Isn’t it?
But I have no OSD so I don’t know the altitude. Still power left for twice the height, but navigation is hard.
FPV flight, recorded with onboard HD camera Rollei Bullet 5s.
The picture in the video goggles is only 640×480 pixels and gets recorded by a second camera. This is necessary due to the time lag of HD video transmission.
Compilation of three flights.
Setup:
Mikado Logo 500 3D V-Bar/ V-Stabi (Schweighofer Combo V1)
Align T-Rex 600 landing gear, fixed with 4 plastic screws
Robbe Roxxy 9100-6 100A ESC (Settings: Governor- On, Governor response- Low, Acceleration- Highest, Motor timing- 18°)
Scorpion HK-4025-1100KV Mikado Edition with 5mm shaft, 14 tooth pinion, max. continuous power 2200 W
Turnigy 25C or 40C, 6s 22,2V 5000mAh LiPo battery
Jeti SBEC external BEC (UBEC), 6V voltage output
10V 2200?F buffer capacitor for the BEC
3x Savox SC-1257 TG digital swash plate servos, 20mm servo arm length
1x Savox SC-1290 MG digital tail servo, 14mm servo arm length
Mikado Mini VStabi/VBar Blueline 5.3 pro
Edge 523 FBL main rotor blades
Mikado 85mm tail rotor blades (plastic)
Graupner- JR MX-16S, 40 Mhz transmitter (+ emergency booster)
Graupner/JR SMC-19 DS 40 MHz receiver with 1,75m antenna (Lamda/4) and rod antenna
Approx. 1800 rpm headspeed at low-RPM mode, 2100 rpm at high-RPM mode
Approx. +12° -12° collective pitch
FPV Setup:
1,3 GHz 800 mW video transmitter from BEVRC (www.bevrc.com) with home-made cloverleaf antenna
Lawmate 1,3 GHz (1.2, 1.3 GHz) video receiver with home-made skew-planar-wheel antenna
Video receiver powered with 11,1V LiPo battery
1,2 or 1,3 GHz transmitters are legal in Austria with Radio (Ham) License between 1240 and 1300 MHz up to 200W
WDR700 (= KPC-DNR700PHB) PAL camera (Sony Super HADII CCD), factory (= default) settings, I’ve tried other settings but default is the best in my opinion
Fat Shark RCV922 Aviator Edition video goggles
Microphone
Weight FPV gear: approx. 100 g
Powering the FPV gear in the helicopter with a 3s 11,1V Rhino 20C 750mAh Lipo battery with a BEC connector
Ferrite ring (= toroid), 16V 1000µF Capacitor against interference (= LC- filter), but that’s not necessary when powering the FPV gear with a separate battery like in this setup. But I already had the wiring from my previous FPV helicopter.
TK102 tracker (cheap clone from ebay) to find the helicopter in case of a crash via GPS. I have removed the plastic housing to save weight. The GPS position gets transmitted to a cell phone.
I have the “NAVIN ZNEX miniHomer 2.8” to find the GPS position.
FPV Recording:
Video splitting with a simple Y-cable
Canon MVX200i Mini DV PAL Camcorder (DV-AVI, 720×576, 25 fps)
Deinterlacing with “Alparysoft Deinterlace” (Advanced method, ME search enabled) ,saved with “Cedocida DV Codec” and Virtual Dub
Editing with Corel VideoStudio Pro X4
Compressing with Xvid, Single Pass, Quantizer 2 (approx. 72 MB per minute), MP3 256 kps CBR Stereo (I take PCM 16bit, 48000Hz, Stereo now because Corel VideoStudio Pro X4 has no MP3 option anymore)
This is the best possible quality in my opinion (with this camera, transmitter setup)
Onboard HD recording and video editing:
HD camera “Rollei Bullet 5s”, inside the protective housing
Recorded in 960p, 50 fps
Editing with Corel VideoStudio Pro X4, compressing with XVid, Single Pass, Quantizer 2-3, audio PCM 16bit, 48000Hz, Stereo; the video is still 960p and 50fps here.
I have to reduce gamma to “-8” in Corel VideoStudio to prevent the gamma bug from “.mov” files, but then the output is the same.
Uploaded to Youtube with 720p, 25fps.
Therefore I have cropped the final video (crop filter) and resampled the frames per second (resample FPS) with the free program Avidemux, compression H.264, audio AAC.
I have the best settings for H.264 and XVid from internet tutorials.
AUW of the helicopter: approx. 3500g
Maximum flight time (slow flying, low RPM, battery completely empty): 14 min. (350 mAh/min energy consumption)
Average flight time: 9 min.
Range: more than 1100m with this setup
Costs:
Helicopter ready to fly, with FPV and HD camera, approx. 1800 Euro
Complete setup approx. 3300 Euro
Video Rating: / 5
This is the setup for FPV on my Align Trex 550 Helicopter. See my other videos for aerial shots.
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HOW TO: Amazing Stunts with a Trex 600E RC helicopter – RC WORLD
Can your helicopter do this?
Watch as this guy performs amazing jaw-dropping stunts on his Trex 600E RC Helicopter.
Give this video a thumbs up if you liked it, share it or subscribe to our RC World channel for new video updates!
Radio-controlled helicopters (also RC helicopters) are model aircraft which are distinct from RC airplanes because of the differences in construction, aerodynamics, and flight training.
Several basic designs of RC helicopters exist, of which some (such as those with collective pitch, meaning blades which rotate on their longitudinal axis to vary or reverse lift so the pitch can be altered and can therefore change the angle of attack) are more maneuverable than others. The more maneuverable designs are often harder to fly, but benefit from greater aerobatic capabilities.
Flight controls allow pilots to control the collective (or throttle, on fixed pitch helicopters), the cyclic controls (pitch and roll), and the tail rotor (yaw). Controlling these in unison enables the helicopter to perform the same maneuvers as full-sized helicopters, such as hovering and backwards flight, and many that full-sized helicopters cannot, such as inverted flight (where collective pitch control provides negative blade pitch to hold heli up inverted, and pitch/yaw controls must be reversed by pilot). Special thanks to the RC Crew!
Crew who? The RC Crew. The one-stop-site to get all the things you need for your remote controlled toys (even for the big boys!)
RC Crew are the specialists in everything RC – from whole new Units, to spare Parts and Repairs.RC Crew is a family owned business specialising in anything remote controlled. Our passion for RC started long before any of us thought of opening a store, and this store was a way for us to bring our knowledge and our love of RC to you. We are dedicated to bringing everything RC to you. We cater in RC Helicopters, RC Airplanes, RC Cars and Trucks, and RC Boats as well as Parts and Accessories. We stock all the major brands, such as, Align, HPI, Traxxas, Team Associated, Losi, Team Magic, Xray, Hanger 9, JR, Spektrum and many many more
See them here
http://rccrewhobbies.com.au/
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World’s Best FPV Helicopter Video!!! DC Tower 3D RC Heli Dive Stunts Hubschrauber Vienna Wien muni86
Tragic end of 4 legendary flights. The most famous FPV helicopter retires and will only be used for 3rd person view flying in the future. The new FPV helicop…
Video Rating: 4 / 5
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awsome R/C helicopter insane tricks stunts
This kid can fly! flybarless with 44.4 volts.
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RC Helicopter Stunts (2011 Chilliwack Air Show)
It’s kind of hard to see, but this guy could do some amazing things with his gas powered RC Helicopter. I had no idea you could do stunts like that with an RC Helicopter. The maneuvers seem to defy physics!
Video Rating: 1 / 5
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Autonomous Helicopters Teach Themselves to Fly Stunts
Stanford personal computer researchers have created an synthetic intelligence technique that allows robotic helicopters to teach by themselves to fly difficult stunts by watching other helicopters carry out the identical maneuvers. The approach is recognized as “apprenticeship understanding.” The outcome is an autonomous helicopter than can fly dazzling stunts on its own. Stanford College: www.stanford.edu Stanford Information Support: news-services.stanford.edu Stanford on YouTube www.youtube.com
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