vtol (5)

100KM

An In-depth Comparison Of Mapping Drones

When acquiring a mapping or surveying drone, the choice is quickly narrowed to a fixed-wing airplane combined with Vertical Takeoff and Landing (VTOL) for its vastly greater range, versatility and ease of use. Within this segment, there are several commercial-grade solutions of European origin. But comparing their capabilities and limitations can be difficult.

The following comparison was made to provide a detailed insight into the characteristics of the leading suppliers in this field. The data has been verified across multiple sources. Several aspects have been calculated to provide a consistent representation of the data. The calculation methods and sources are provided at the bottom of this article.

The platforms chosen for this comparison are:

  • The DeltaQuad Pro #MAP by Vertical Technologies
  • The WingtraOne by Wingtra
  • The Trinity F90+ by Quantum Systems
  • The Marlyn by AtmosUAV
  • The eBee X by SenseFly 

In this article, you will find an abstract of the comparison.
Click here to read the full comparison

 

Key Features

A quick rundown of the most critical aspects that are relevant to mapping.

  • Max flight time is calculated at sea level with camera payload.
  • The coverage is calculated by multiplying the maximum flight distance by the maximum camera resolution. It is based on 3CM per pixel with an overlap of 50%.
  • To compare pricing a package was selected for each model that most closely resembles: 42MP camera, <1CM PPK, 2 Batteries, Standard radio, GCS (if available).

 

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Maximum surveying area in Hectares

The maximum area that can be mapped in a single flight is determined by several factors such as camera resolution, cruise speed, endurance, and lens options.
This comparison is based on the highest resolution offered for each platform, combined with the maximum flight distance. The values have been calculated based on 3cm per pixel resolution and a 50% image overlap. The values have then been compensated to account for the camera’s minimum trigger interval.
 

Maximum telemetry range

The maximum range at which the UAV can be controlled. Long-range communications is important for corridor-type surveys such as power lines, pipelines, railways, and roads.

The indicated ranges are the maximum radio range as specified by the supplier. Nominal ranges can be lower.

 

Maximum image resolution

The maximum image resolution in Megapixels is the total number of pixels that make up a single image. This can be an important factor for a fixed-wing/VTOL UAV.

A higher resolution allows:

  • Covering larger areas
  • Flying at higher altitudes
  • Producing higher resolution end results
  • Better post-processing performance with more accuracy
 

Maximum flight time

The maximum flight time for fixed-wing UAV depends on the altitude above sea level. As the altitude increases, the UAVs need to fly faster due to a lower air density. However, the lower air density also provides less drag, therefore in most cases, the maximum flight distance remains the same at all altitudes.

 

The indicated maximum flight times are at sea level while carrying a regular camera payload.

 

Read the full comparison

The full comparison contains detailed technical specifications, pricing details, sources, and methods of calculation.
Click here to read the full comparison

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100KM
BVLOS powerline inspection over a city using VTOL UAVs

Skyqraft, a data-driven infrastructure inspection company from Sweden, was granted BVLOS operation permission for the Vertical Technologies DeltaQuad VTOL UAV, to inspect a large portion of the Swedish power grid.

Fully Autonomous

Flying fully autonomous from takeoff to landing, using long-range radio transmission combined with LTE based video and control links, Skyqraft was able to perform multiple BVLOS missions gathering high-resolution images for over 1000KM of powerlines. The resulting data is used for early indicators of failures to the powerlines, isolators, and towers.

The missions are planned to follow the powerlines at a safe altitude using automatic terrain following. The onboard camera is automatically triggered to record high-resolution photographs of the selected path while the operator receives live video and keeps a control link over long distances. Using ADS-B transponder receivers the pilot is made aware of any aviation up to 100km away.

Beyond Visual Line Of Sight Waiver

A DeltaQuad Pro #MAP was initially trialed in Visual Line Of Sight (VLOS) and Extended Visual Line Of Sight (EVLOS). The success of these trials, combined with the advanced failsafe features and a redundant flight system, led the Swedish authorities to issue Skyqraft an additional waiver for the DeltaQuad to fly extended-range missions and to cross populated areas.

With the waiver secured, and after several BVLOS missions over scarcely populated areas, the DeltaQuad was instructed to perform 2 missions crossing the city of Gävle autonomously covering 90KM of powerlines. A significant step forward as this was the first official autonomous BVLOS flight of a fixed-wing UAV over a Swedish city.

To date, Skyqraft has logged over 30 flight-hours BVLOS and inspected more than a thousand kilometers of powerlines.

Machine Learning fault detection

Using the latest technologies in the field of machine learning, the resulting data sets are automatically analyzed and, faults to any of the core components are flagged for manual review.

Every confirmed fault is added to a daily report combined with imagery and exact geographic location. The reports are dispatched to the designated maintenance teams who in most cases can act within 24 hours of detection.

About Skyqraft

Skyqraft employs several UAV operators, AI programmers, and data analysts to provide powerline inspection. By closely collaborating with local authorities, airports, and energy companies they can efficiently gather high-quality data, and by using computer vision based machine learning algorithms they produce a reliable risk assessment that allows energy companies to stay ahead of impending grid failures.

“The DeltaQuad has enabled us to inspect areas that were virtually inaccessible using regular inspection drones. The advanced planning features allow us to create terrain-following missions in minutes, and even on our longest flights we use less than half of the available battery capacity. The Vertical Takeoff and Landing allows us to operate basically anywhere, and the long-range capabilities significantly reduce the time and effort required to collect the data we need.

Vertical Technologies has been a great partner supporting us in every aspect of our UAV operations. The DeltaQuad drones have been performing with such consistent stability and reliability that they are now the core platform in our operations.”

UMAR CHUGHTAI, CTO AND CO-FOUNDER OF SKYQRAFT

Skyqraft is currently extending its operations to the United States where they are in the process of receiving the first BVLOS waiver for a fixed-wing VTOL UAV from the FAA. For more information on Skyqraft please visit www.skyqraft.com.

About the DeltaQuad

The DeltaQuad is a fully autonomous fixed-wing UAV with Vertical Takeoff and Landing capabilities. It can travel up to 100KM in a single flight while carrying industrial-grade sensors such as 61MP camera systems, or dual infrared and RGB surveillance gimbals.

The DeltaQuad is produced by Vertical Technologies, a Netherlands based manufacturer of commercial-grade VTOL drones for Surveillance, Transport, Mapping, and Inspection. For more information on the DeltaQuad VTOL UAV please visit www.deltaquad.com.

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Fighter VTOL 4+1 fixed wing

The fighter is a 10kg fixed-wing flight platform (hand parachute/VTOL), which is easy to carry,friendly to operate,stable and durable.The fighter is positioned as a heavy-duty,long-endurance fixed wing,which greatly reduces the difficulty of aerial survey,further liberates productivity and improves the efficiency of aerial survey

The modular design concept makes the aircraft easy and fast to assemble.The wings,folding arms and tail fins can be easily dismantled, making the aircraft practical and portable and user-friendly.The open flight control cabin is compatible with Pixhawk flight control and supports mounting of Sony A7R2 4200W pixel full-frame camera /1.5kg lightweight lidar. The maximum support is 12s@22000mah lithium polymer battery,which can achieve ultra-long range and high-quality shooting effect

Using proper control point cooperatively,the final mapping would satisfy 1:1000 and 1:2000 aerial survey standard,which realized a wide-ranging application such as geography surveys,farmland,forestry land and grassland protection,power line inspection,environment protection,water conservancy and etc

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That’s the Fighter VTOL aerial survey carrier
We put it on Our Aliexpress Shop or you can directly find it at Fighter VTOL

More about
Our website: makeflyeasy.com
Our Aliexpress shop: Makeflyeasy store
Email: makeflyeasy@qq.com

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100KM

DeltaQuad first mapping VTOL with 61 Megapixel sensor

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Vertical Technologies has successfully integrated the new Sony A7R mark IV on the DeltaQuad Pro #MAP VTOL UAV. This release marks the first VTOL mapping UAV that supports 61 megapixel mapping.

Earlier this year Sony announced the release of their highest resolution camera yet. the Sony Alpha 7R IV offers a full frame 61.0 MP back-illuminated Exmor R™ CMOS image sensor with latest-generation BIONZ X™ image processor

This camera system has now been integrated on the DeltaQuad Pro #MAP VTOL UAV. With this sensor the vehicle can produce imagery down to 0.4cm/px or cover up to 1200 hectares at 3cm/px in a single flight. A full coverage sheet is available here.

Vertical Technologies is a Netherlands based manufacturer of commercial grade VTOL drones for Surveillance, Transport, Mapping and Inspection. For more information please visit www.deltaquad.com.

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Aerial Mapping Via Misson Planner

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Hey Guys, we just conducted an aerial mapping on Mission Planner using one mapping VTOL, and the mapping camera is SONY A7R camera-based. Also, RTK/PPK system is used during the whole process. We want to share with you the video here and get more suggestions about mapping via the Mission planner.

Video link of the mapping: https://youtu.be/G-W3uIMTwVA

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