Big Quad 2024 Requirements
Success metrics
Goal | Metric |
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< 7kg w/o payload but we try to make it as light as possible | |
Frame has failure points in design & they are easily replacable |
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3:1 T:W w/o payload (15kg thrust) |
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Proper mounting solutions for sensors & electrical components & wiring | Secure, easily accessible, robust, vibration damped if necessary. |
30 minute flight time |
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Easy mounting solution for payload attachment |
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Easily maintainable wiring solutions |
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Weatherproof solution available for electrical components (rain + wind + temperatures) |
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Long Range |
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Good iterative design process |
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Easy to setup |
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Transportable | Fits into back of regular vehicles without risk of damage |
Price per airframe < [tbd] |
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Robust landing solution |
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Easy manufacturing & assembly |
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Well documented design process (for all subteams) |
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Protection for valuable components |
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Batteries tool-lessly swappable and easily removable under critical situations |
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Anti-spark connector on mains |
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Properly specced materials & components |
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Proper testing procedure for all components & integration of components |
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Ability to tether the drone for ground tests |
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ZP3 Passthrough |
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Multiple Telemetry Links supported |
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Multiple RC Links supported |
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Aerodynamic & Aesthetic design |
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Well placed sponsor logos & iconic WARG branding |
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Gemini RX |
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BVLOS operation |
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Able to be maintained > 1 yr |
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Assumptions
Proper Soldering
PX5/6 as primary flight computer
Using existing hardware if we can
esc’s
RFD900’s
Relay towers
VTX’s
RC links
Carbon fiber is manufacturable
Requirements
Requirements / Constraints | Context | Priority | Owner | Notes |
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VN-300 Mounting | Antennas & VN-300 block | HIGHMEDIUM LOW | ||
Mounting offsets from the VN-300 block to the GPS Antennas must be known to centimeter accuracy. |
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Pixhawk & ZP3 Mounting | Needs space |
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Pixhawk accessible | need access to all ports, usb, sd card |
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2 fpv cameras | one bottom one front |
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Optical flow | Bottom |
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Lidar must be able to mounted for object detection and terrain rangefinding | one 360 (needs unobstructed view) one downwards |
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Up to two Neo M9n or M8n must be mounted and easily accessible | safety switch & LED |
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Mounting offset from the cube to the M9N’s must be known to centimeter -accuracy |
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VTX must be able to be mounted | 5W or mateksys or rmrc 1.3 module |
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CV Camera must be able to be mounted | auto-land detection |
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Jetson is accessible |
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LED’s for nighttime flying |
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Registration of the drone |
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Stable long-range interference-proof RC link |
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Wiring needs to be easily accessible & routed |
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Wire gauges & types need to match the application |
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Usage of connectors should be minimized |
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Connectors should be locking where possible |
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System must be able to use LTE or other RF modems for telemetry |
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System must be able to transmit video over long range |
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System must be able to maintain link over long range |
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System must have a flight time of at least 30 minutes |
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Batteries must be able to be swapped tool-less |
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Batteries must be able to be un-plugged and removed from airframe quickly in the event of a system failure |
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System must be able to handle a landing at 2.5 m/s downward velocity |
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Batteries must be mounted securely |
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System must follow failsafe procedures outlined in competition requirements |
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System has to be under 10kg | Potential competition requirement |
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System must be able to accomodate different payloads |
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System needs to protect sensitive & expensive electronics |
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Failure points must be design as part of the system |
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Failure points must be easily manufactured and replacable |
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System must be able to fly in all weather condition | Rain, shine, snow, sleet, spongebob raining down sweat |
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| Electronics need to be accessible when working on the drone, but not when flying. |
3:1 T:W without payload |
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COG Must be in the center of the drone | Closer to in-line with the thrust line better. Equidistant from motors in x-y |
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Antennas need to be mounted away from EMI in a secure way. | video, RC, potentially telemetry |
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3:1 T:W |
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< 7kg without payload takeoff weight |
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No excess weight on the drone |
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Open Questions
Question | Answer | Date Answered |
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Is 5kg takeoff weight possible? | ||
which VTX |
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Testing program & integration timelines |
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Price |
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LTE + Jetson ? (running LTE on jetson) |
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Autotune ? |
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Out of Scope
multiple airframes (winter issue)