无人机整机
无人机配件
无人机服务
设备与工具
The flight controller and its flight control firmware constitute a small computer on board of SkyProwler. It works like a bigger computer such as a laptop, but instead of running a spreadsheet or a video game it instead uses its computing power to control your aircraft. It interprets the commands you send to SkyProwler (it is connected to the receiver) into the actual physical movements of control surfaces or the changing of the rpm of the motors. The flight controller has sensors telling it how SkyProwler moves and uses this information for automatic flight stabilization. The flight controller can also react to panic commands, or the loss of radio signal or when the battery gets low. SkyProwler is controlled by a Pixhawk-based 32 bit flight controller, which is very powerful. It is faster, has more memory, has a back-up CPU and will hence stay relevant for much longer than most other commercially available controllers in the market.
The ground control software suite is software that you run on a computer, such as a laptop. It vastly enhances what you can with SkyProwler and the radio ground station. By connecting the ground control software directly to the flight controller you can easily pre-program autonomous or semi-autonomous missions. A typical example is the flying along GPS waypoints, i.e. flying a certain flight path marked out by GPS coordinates. Start the software, connect SkyProwler to your computer, set waypoints and other parameters, save the mission, and SkyProwler is ready to go. Via the telemetry radio provided with some of the reward packages, you can even change missions while SkyProwler is already in the air, even flying SkyProwler with a computer becomes possible.
Telemetry radios are the second connection between you and SkyPrower. They are small, relatively low frequency (433 or 915 Mhz) radio pairs, one of which connects to SkyProwler's flight controller, the other to your computer or mobile phone. These radios allow for the change of missions on the fly and the following of a GPS target if the device into which you plug the telemetry radio has GPS, e.g. a mobile phone or a laptop computer with GPS dongle.
The video downlink of is the third connection between you and SkyProwler. It sends video signals from SkyProwler's camera to your radio ground station. The video downlink operates on the 5.8 Ghz frequency band.
The on-screen display (OSD) is a small electronic device on board your aircraft. It feeds signals into the video downlink. In this way you are able, for example, to keep track of the battery voltage while looking at your video screen. Note: the OSD data does NOT imprint on the video data your camera records on board on its micro-SD card.
The GPS module plugs into the flight controller enabling SkyProwler to locate itself. This is imperative on any mission involving GPS waypoints or GPS follow.
Speed controllers and control surfaces are the physical means by which SkyProwler controls its flight. Speed controllers enable it to rapidly change the rpm on the brushless motors that drive its rotors. Should a gust of wind blow it to left, for example, then the flight controller senses this motion, and corrects it immediately by sending commands to the speed controllers for the motors on the left hand side to speed up. The motors speed up, the rotors generate more lift, and SkyProwler stabilizes. This mechanism works in hover, slow and fast flight. Control surfaces are the second means by which SkyProwler controls its flight. They are flaps that are attached/inset into the wings and the tail of SkyProwler (and any other winged aircraft). They only work when there is air flowing over them, i.e when SkyProwler has real airspeed. Moving flight control surfaces re-directs the air that is flowing over the wing or the tail, generating forces. These forces then act upon the aircraft and change its pitch, roll or yaw. flight control surfaces are moved by servo mechanisms. Servos are small boxes with gears and a motor in them, with a little lever at the top. This lever moves a rod attached to the flight control surface and thereby moves it. The servos are plugged into the flight controller which, as the brain so to speak, controls them. Both the speed controllers and the flight control surfaces are used to stabilize and to steer SkyProwler. Stabilization is automatically taken care of. Steering is either via your inputs (manual flight), e.g. via the radio ground station, the telemetry radio or via the various auto-pilot functions.
Performance Parameters
Winged cruise speed (Blade config): ~65mph/105kph (- ~10% with additional battery)
Cruise speed (Hornet config): ~35mph/56kph (- ~15% with additional battery)
Winged Cruise (Blade) Range: ~43 miles/69 km (+ ~40% with additional battery)
Hornet Range: ~14 miles/22km (+ ~30% extra with additional battery)
Max Ascent: ~4m/s Blade, ~6m/s Hornet
Endurance: Blade ~40 min, Hornet ~24 min, (+ ~40 to 50% with additional battery)
Payload: ~550g/19.5oz (Blade), ~450g/16oz (Hornet)
Weather limit Blade: Wind resistance ~15mph/24kph crosswind during VTOL, otherwise ~30mph/48kph; light rain
Weather limit Hornet: Wind resistance ~22mph/35kph; light rain
Service ceiling: ~5,000m/16,500ft (Blade cruise flight); ~4,500m/14,800ft (Hornet)
Temperature range: ~-15ºC/5ºF to 50 ºC/122ºF; make sure to check battery condition, especially in cold weather
Design Parameters
VTOL power systems: 4x130W, 1,500rpm per input Volt
Thruster power systems: 2 x 180W, 3,000rpm per input Volt
Servos: digital, metal-geared, with bearings
Battery: 3 cells, 5,000 mAh
VTOL propellers: 9 inch
Thruster propellers: 5 inch
Materials: Composites, carbon fiber, 7075-T6 aircraft aluminum
Wingspan: 35.5inches/900mm
Length of fuselage without tail and nose cone: 21inch/550mm
Control and Interfacing
Ground station radio frequency: 2.4 Ghz (FCC and CE compliant)
Ground station radio based on FrSky technology
Video down-link: 5.8 GHz (FCC and CE compliant)
Telemetry radio frequency: 433 Mhz or 915 Mhz
Ground station radio and video antennas: Directional
Flight controller CPU: 32 bit, 168 Mhz, 256 KB RAM, Pixhawk based
Flight controller compatible with provided receiver as well as third party receivers such as Futaba (SBus), Spektrum or FrSky (SBus)
USB interface on flight controller and ground station radio
Ground control software with GPS waypoints, GPS follow, autonomous missions, flight logging
Ground control software is based upon the open source Mission Planner software and will be available for download to all backers
Ground control software can be used to program SkyProwler for autonomous missions independent of the radio ground station, it typically runs on a laptop and can connect to SkyProwler via a cable or in the air, via the telemetry radio
Ground control software enables Geo-fencing, Mapping, Surveys, GPS waypoints including transitions from cruise flight to hover and back, GPS follow, Automatic photography, Autonomous flight, etc.
Eye Aerial Action Cam and integrated gimbal stabilization (igs)
CMOS Imaging Chip: 12 Megapixel
SD card: ProAm 1080p30 - class 10, upgrade to Pro 4K30 - SanDisk Extreme Plus or equivalent
Camera trigger: via radio ground station or via on board buttons
Camera orientation (roll, pitch, yaw): via radio ground station; Pitch control: +/- 90 degrees, Roll: +/- 45 degrees; Yaw: +/- 30 degrees
ProAm video: 1080p HD at 30 frames per second (fps) and 720p at 60 fps
Upgrade Pro and ProX video: 4K UHD at 30 fps, 1080p HD at 60 fps and 720p at 120fps
ProAm and Pro photo: 12 mega pixels
Brushless Motors for integrated gimbal stabilization (igs): 12N14P micromotors
IGS is controlled by a 3-axis micro gimbal controller
Lens mount: M12
Eye Cam ProX allows for rapid lens and filter exchange allowing for in-field reconfiguration of the Eye Cam Pro (4K) for wide angle or zoomed (~ 2x zoomed) field of view with either a daylight filter or an NIR filter; more filters available upon request; advantage of separate filter and lens are vastly reduced costs because filters are cheaper than lenses
Note: Each SkyProwler unit shipped as part of this Kickstarter campaign is marked with the backer number or backer name (choice), making this a limited edition!
1) USD 225,000: Extra set of thruster propellers
2) USD 250,000: 2 inch / 5 cm 3D printed model of SkyProwler
Above items will be included with each SkyProwler reward package if the respective stretch goal line has been reached.
Recently Krossblade has received attention from journalists for its work on future manned high-speed vertical take-off and landing personal aviation, including the unmanned prototype, SkyProwler. Below are a small number of examples:
Geektime
Siliconrepublic
Homeland Security Today
Flightglobal
Gizmag
Popular Mechanics
3D Print
Make:
CNN
ValueWalk
Krossblade Aerospace Systems is a start-up that originated at the hacker and makerspace heatsynclabs in Tempe/Mesa, Arizona. We are makers with a passion for aviation, robotics and emerging manufacturing methods.
We started Krossblade with the dream that is as old as motorized flight, and perhaps even older: vertical take-off and landing, with fast and efficient winged cruise. SkyProwler is the first physical manifestation of this dream. Although our ultimate goal is to build a manned version to transport people swiftly and efficiently from point to point, we see significant possibilities for the unmanned SkyProwler, in larger and larger versions. From law enforcement and military applications, over crop monitoring, delivery and oceanographic research to aerial video and sensing, many people have approached us and so we are excited that we can offer SkyProwler for the first time.
Below is an earlier video of ours, showing our full sized SkyCruiser concept in the first half, along with some more extended flight footage of SkyProwler in the second.
PLAY
SkyProwler has been developed and tested for two years and most of the kinks have been ironed out.
The components we use are fairly readily available and even interchangeable, meaning should a component, like a certain electric motor, become suddenly unavailable during production or after shipping then it can be fairly easily replaced with a number of similar options. We aim to provide cost effective replacement options, but you will also have other options if you so chose. Future maintenance should hence be cost-effective and simple.
SkyProwlers cargo hold and fuselage compartments allow for future upgrades enabling you to keep your aircraft up to date for years to come.
We have organized our production into 3 phases:
1) Airframe manufacturing
2) Partial integration
3) Final integration and assembly
Each phase requires a parts order. This also means however that we are preserving resources for longer than if we ordered everything up front. This gives a safety buffer for us and our backers.
During production and after shipment we aim to further develop our flight control and ground control software and to make these upgrades available to our backers in the future. This means that your SkyProwler has the potential to become even better after you have received it and are already using it.
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