Guinness Record improved
#52
#53
Simply put, they are exactly "the same" (note the frequency, modulation and power are different, but "they" are both "radio waves")
Hence, the X47, if it is controlled via satellite, is equally as much "radio controlled by radio waves" as our planes are controlled by "radio waves".
PS: 2.4 GHz that most of us uses, is also considered "microwave band"...
#54
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Hi guys,
thanks alot for the congrats. And I guess I need to clear things up.
Here are the guidlines and you will recognize that a drone does not fit into this. Shui's record is remarkable for such a big plane. But there is or was no class or category for planes with or without gear, stabilizer, flaps and so on ever. It was someone's OPINION! And it manifests itself in peoples mind.
The DS guys fly very fast but they do not fit in the category. I think they are not able to fly an average speed in two opposite directions. Go through it and I hope that it will give everybody an idea what this record stands for.
Niels
Record definition
- This record is for the fastest speed that a radio controlled model aircraft can achieve.
- This record is to be attempted by an individual or a team of unlimited size.
- This record is measured in kilometres per hour (km/h) and the equivalent given in miles per hour (mph).
Rules for Fastest remote-controlled jet-powered model aircraft (RC)
- The model aircraft must be sufficiently small scale to qualify as a model (as opposed to a normal aircraft that that happens to be radio controllable). This is at the discretion of GWR. As a rule of thumb, it should be small enough so that a person could not fit or be transported by the aircraft.
- So called “drones” that are manufactured for military or other commercial purposes are excluded from this category.
- Accurate methods of measuring the aircraft’s speed must be used for this attempt, such as calibrated radar guns or telemetry systems. The methods must be pre-approved by Guinness World Records.
- The record attempt must take place over a base at least 200 m (656 ft 2 in) long, and it must be traversed in both directions without any intermediate landing. The mean of the two speeds of the two runs over the timing base gives the record speed.
- A 100 m (328 ft 1 in) entry to the course is allowed for the aircraft to gain momentum.
- The altitude of the model aircraft must remain below 35 m (114 ft 9 in) and above 5 m (16 ft 4 in) during the 100 m entry and the course. These altitudes are measured from the point where the pilot is standing.
#55
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Oh I forgot to answer to other questions.
I have no clue how many G's I pulled. But low enough not to break the plane.
The servos are two Futaba BLS 175 controlled by a Futaba 6303 receiver. System is powered by a two cell Li-Ion battery with 3000mAh.
You can see the deflection of the ruders in the onboard video.
Niels
I have no clue how many G's I pulled. But low enough not to break the plane.
The servos are two Futaba BLS 175 controlled by a Futaba 6303 receiver. System is powered by a two cell Li-Ion battery with 3000mAh.
You can see the deflection of the ruders in the onboard video.
Niels
#56
Niels,
Well done! Fantastic achievement. Unfortunately in this day and age there are many people who feel the need to justify their existence by judging others achievements while seemingly achieving very little themselves. You should take great pride in being someone who has got out there, worked hard and become one of those people who achieved something.
Well done! Fantastic achievement. Unfortunately in this day and age there are many people who feel the need to justify their existence by judging others achievements while seemingly achieving very little themselves. You should take great pride in being someone who has got out there, worked hard and become one of those people who achieved something.
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For those interested in the science that is behind those transonic model flights !
This is a fascinating conference by Spencer Lisenby of DSKinetics, regarding his Dynamic Soaring record of 835 kph.
For some reason the video automatically starts at the minute 9+. You have to manually back it to the beginning
https://www.youtube.com/watch?v=nv7-...ature=youtu.be
Jack
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I am convinced that science advances in discrete leaps every time that people like Vmax and Spencer Lisenby exist.
For a rare and fortunate coincidence they combine the scientific knowledge, ability, dedication and passion, to open new frontiers from which in the long run we all benefit.
Congratulations Vmax !! Remarkable achievement !!
Jack
#62
Hi,
It had been more than a year since this oustanding speed record and technical achievement... I'm wondering if Niels Herbrich has pushed the things a little more with his RC pink devil.
I gave up with search engines because them retrieve only outdated info.
Thks
It had been more than a year since this oustanding speed record and technical achievement... I'm wondering if Niels Herbrich has pushed the things a little more with his RC pink devil.
I gave up with search engines because them retrieve only outdated info.
Thks
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Hi Joe,
no improvement done or planed. It does not make sense to plan anything that is faster with this setup. The plane is to small to go alot faster nor is ist possible to align it in the timing track.
Maybe FPV some day which gives it more time to accelerate and I need to get higher since the air density slows the plane down in low level. Time will tell what comes up.
Niels
no improvement done or planed. It does not make sense to plan anything that is faster with this setup. The plane is to small to go alot faster nor is ist possible to align it in the timing track.
Maybe FPV some day which gives it more time to accelerate and I need to get higher since the air density slows the plane down in low level. Time will tell what comes up.
Niels
Last edited by Vmax; 06-16-2019 at 12:01 PM.