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I want a fully flyable eVTOL model inside X-Plane that I can use to train future pilots of a Part 103-compliant ultralight. The aircraft has eight electric motors and is steered with two independent joysticks—one dedicated to ascent/descent plus turning, the other to forward/reverse and roll—with a hands-off hover mode in between. The heart of the job is getting the flight dynamics right. I need the model to reflect true ultralight behaviour under the Part 103 envelope while accurately blending the thrust from all eight rotors. Control response on both sticks must feel natural and symmetrical so that student pilots can translate hours in the sim directly to the real seat. You are free to use Plane-Maker, X-Plane’s Experimental Flight Model, custom data-refs, or a plugin written in C++/Python/XLua—whatever delivers the most faithful handling. Visual fidelity is secondary; the priority is aerodynamic realism, thrust vectoring logic, and a rock-solid hover that holds position within tight tolerances. Deliverables • .acf file with tuned weight, balance, propulsion, and aero parameters • Custom control-mixing plugin (source + compiled) that maps the two-stick logic, hover hold, and any flight-protection limits • Test scenario files and a short write-up describing the performance figures achieved versus design targets Acceptance criteria • Smooth transition from hover to forward flight with no surprises • Both joysticks respond within 50 ms to input and remain decoupled as described • Sustained hover drift <0.5 m/s in calm-air test scene • Compliance with Part 103 max weight and speed inside sim’s data read-outs If this sounds like your kind of project, let’s talk timing and any tools or SDK hooks you prefer to use.
Project ID: 40646197
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79 freelancers are bidding on average €501 EUR for this job

Hello, I understand the real difficulty here isn't visual modeling — it's getting eight-motor thrust blending, dual-stick control logic, and hover-hold physics to behave with enough fidelity that simulator time genuinely transfers to real-seat training under Part 103 constraints. My approach: Aircraft Model: Build the .acf in Plane-Maker with accurate weight, balance, and propulsion parameters reflecting true ultralight/eVTOL characteristics. Flight Dynamics: Use X-Plane's Experimental Flight Model plus custom data-refs for realistic multi-rotor thrust vectoring and aerodynamic behavior. Control Plugin: Develop a C++/XLua plugin mapping the two independent joysticks (ascent/turn, forward/roll) with sub-50ms response, decoupled logic, and stable hover-hold within tight drift tolerances. Validation: Test scenarios comparing achieved performance (hover drift, transition smoothness, Part 103 compliance) against design targets, documented clearly. I bring hands-on experience combining flight simulation development, custom X-Plane plugin work, and aerodynamic/control tuning for realistic training-grade handling. Best regards
€250 EUR in 3 days
7.2
7.2

I can help you build a two-stick eVTOL that behaves like the real ultralight, not just a model. I’ll approach this as a control-system problem: map each stick input to specific thrust and torque commands across the eight rotors, keep the axes fully decoupled, and implement the hover-hold as an active stability loop using pid-style logic in a plugin. That gives you natural, symmetric control response and a hover that stays within your drift tolerance. For flight dynamics, I’ll use X-Plane’s experimental flight model with custom rotor thrust tables and a tuned weight/balance setup that respects Part 103. The control mixing plugin will enforce your two-stick logic, limit authority where needed, and smooth the hover-to-forward transition so there are no surprises. Deliverables will include the .acf, source and compiled plugin, test scenarios, and a short write-up comparing measured performance against your acceptance targets—including stick latency and hover drift. This is a dynamics and integration job, and that’s exactly where I focus.
€1,000 EUR in 7 days
6.3
6.3

Hello, As a skilled developer, I'm equipped to handle both the programming and simulation aspects of your ambitious project. My deep Python expertise, paired with my ability to grasp complex systems quickly, make me confident that I can bring your cutting-edge Part 103-compliant ultralight simulator to life. A focus on creating fast, reliable, and user-friendly software solutions is central to my work philosophy. This mindset directly aligns with the core of your project - delivering a fully-functional and responsive eVTOL model inside X-Plane. In my previous projects, I have demonstrated the ability to design custom APIs and integrations, which will be crucial for implementing the unique two-stick logic you require. Additionally, my solid grasp of databases combined with my experience in scalable web and mobile app development enable me to navigate data intricacies while ensuring system performance. I firmly believe that quality should never be compromised. Therefore, throughout this journey together, you can confidently expect regular updates, thorough testing procedures, and a polished solution that meets or even exceeds your expectations. Let's join forces to make this simulator soar above others! Thanks!
€555 EUR in 6 days
5.9
5.9

A flyable X-Plane eVTOL ultralight simulator requires aerodynamic realism and deterministic control feel, exactly the kind of systems-focused flight modeling work I do. I will deliver: - A tuned X-Plane .acf (weight/balance, propulsion, aero parameters) constrained to Part 103 targets. - A custom control-mixing solution (source + compiled) that maps the two independent joysticks, implements the hands-off hover hold band between modes, and blends thrust from all eight rotors consistently. - Flight-dynamics verification assets: test scenario files plus a short performance report comparing achieved vs design targets. Focus areas: - Rock-solid hover with drift <0.5 m/s in calm-air. - Smooth hover-to-forward transition with no control “surprises.” - Symmetrical, decoupled stick response with tight input-to-response timing (≤50 ms) and predictable student-to-real-seat transfer. - Flight-protection limits and data-readout compliance within Part 103 envelope. Rest assured: visual fidelity stays secondary; stability, thrust vectoring logic, and handling precision lead the build.
€250 EUR in 5 days
5.6
5.6

I’m an Aerospace/Mechanical Engineer with a strong technical team experienced in flight dynamics, simulation, control systems, C/C++, Python, and engineering modeling. We have completed similar technical projects for clients in the UK, USA, Canada, Oman, Saudi Arabia, and other countries. Your eight-rotor eVTOL X-Plane simulation is a strong match for our expertise. We can develop and tune the .acf model with realistic weight, balance, propulsion, aerodynamic behavior, rotor thrust blending, and hover-to-forward-flight transition. We can also develop the custom control-mixing plugin to implement the two independent joysticks, hover-hold functionality, input decoupling, and appropriate flight-protection logic. We’ll focus primarily on realistic handling and deterministic control response rather than visual complexity. Testing can include dedicated hover, transition, and forward-flight scenarios, with measured performance against your specified targets, including response time, hover stability, speed, and weight limits. We’re ready to review the aircraft specifications and control architecture and propose the most suitable X-Plane SDK/plugin approach.
€500 EUR in 7 days
6.0
6.0

Hello There! I’m Md Toriqul Islam, an experienced simulation and software developer with expertise in flight dynamics, custom control systems, C++/Python, and plugin development. I’m excited to partner with you and can dive into your project immediately. I have rich experience in custom flight-control logic, physics-based simulation, C++, Python, plugins, and real-time input systems. I understand you need a fully flyable eight-motor eVTOL model for X-Plane, with realistic thrust blending, dual-stick controls, hover hold, smooth transition to forward flight, and performance testing against your design targets. I’m skilled in X-Plane SDK, C/C++, Python, control mixing, datarefs, flight dynamics, and real-time optimization. I’m ready to start immediately and can discuss your aircraft specifications, control hardware, X-Plane version, and preferred plugin approach. Looking forward to hearing from you. Best regards, Md Toriqul Islam
€250 EUR in 5 days
5.4
5.4

With a deep understanding of embedded systems and electronics, I am adept at crafting precise solutions that align perfectly with your project needs. With a strong background in robotics, motor control, and electronic integration, I am well-versed in precisely blending the thrust from multiple sources - including the eight electric motors of your eVTOL model. Throughout my career, I have learned how to make complex systems work seamlessly together. This will be paramount in designing your two-stick logic and ensuring natural and symmetrical control response while integrating the hands-off hover mode efficiently. I value not just realistic visual rendering but also absolute precision in aerodynamic realism, thrust vectoring logic and maintaining a solid hover. My attention to detail extends beyond programming -- it thrives during hardware development as well. I know how important it is to balance weight, power consumption, and data accuracy for a stable flight model, within the tolerances of Part 103 requirements. From conception through manufacturing, I have consistently delivered robust solutions optimized for reliability and performance. Let's leverage both my software-making skills (including C++,Python) with those on the hardware front to create something that not only achieves everything on your checklist but also stands out. This project would be an exhilarating challenge for me with your desired deliverables serving as excellent milestones in gauging progress
€500 EUR in 7 days
5.1
5.1

Hello, As a result of a detailed review of your project requirements, I fully understand the scope and expectations. I have experience with C/C++, Python, simulation systems, control logic, data analysis, and real-time input handling, and I'm available to start your project right now. In my opinion, the key challenge is reproducing stable eight-motor thrust blending and natural two-stick control behavior while keeping hover and transition performance predictable. I would build and tune the aircraft in Plane-Maker using X-Plane’s Experimental Flight Model, then implement custom control mixing through the X-Plane SDK using C++ or XLua/Python where appropriate. The plugin will map ascent/descent, yaw, forward/reverse, and roll independently, implement hover-hold and flight-protection logic, and target the required sub-50 ms response. I will also tune weight, CG, propulsion, rotor thrust, and aerodynamic parameters to remain within the Part 103 envelope. Testing will include hover drift, transition behavior, stick decoupling, speed/weight limits, and repeatable scenario files with measured results. I have a couple of quick questions. • Which X-Plane version should the model target? • Do you already have motor thrust curves, dimensions, weight/CG, and expected performance data? Best regards, Carlos.
€250 EUR in 9 days
4.9
4.9

✋ Hi There!!! ✋ THE PROJECT GOAL: BUILD A REALISTIC X-PLANE EVTOL SIMULATOR WITH PRECISE FLIGHT DYNAMICS AND HOVER CONTROL. 1. Develop and tune the .acf model for weight, balance, propulsion and aerodynamic behavior. 2. Implement eight-rotor thrust blending with accurate vectoring and natural control response. 3. Create two-stick control mixing with hover hold, decoupled inputs and protection limits. 4. Deliver a C++ or Python plugin with source and compiled versions for reliable simulator integration. 5. Validate hover drift, response timing, transition behavior and Part 103 limits against targets. Similar simulation projects have been completed involving flight dynamics, custom control systems, real-time input processing and physics-based vehicle simulations. <-- Questions --> 1. Do you have the aircraft design targets for rotor thrust, weight, CG and control authority? 2. Which X-Plane version and plugin SDK environment will be used for acceptance testing? Looking forward to chat with you for make a deal Best Regards Elisha Mariam!
€500 EUR in 7 days
4.9
4.9

Hi there, X-Plane handling that must feel like a real Part 103 ultralight needs careful flight-model tuning, not just a visual model. I have strong expertise in Software Development and can build the control logic around the eight-motor thrust blending, two-stick decoupling, and hover hold so the sim behaves naturally across ascent, descent, yaw, roll, and transition into forward flight. I’ll tune the .acf in Plane-Maker, use the Experimental Flight Model where needed, and add a plugin in Python or C++ to manage custom data-refs, control mixing, and protection limits while validating drift, response time, and Part 103 readouts against your targets. Best regards, Ian
€555 EUR in 5 days
4.7
4.7

As an Electronics Engineer approaching a decade of experience, I possess a comprehensive skillset crucial to the success of your X-Plane eVTOL Ultralight Simulator project. My deep understanding of circuit design, firmware development (specifically in C and C++), electronics simulation, and high-power systems analysis primes me for the intricacies that the project demands. I have regularly tackled projects from concept to final implementation – ensuring compliance to the most stringent standards, which aligns perfectly with your intention to adhere to Part 103 regulations within X-Plane's framework. Drawing on my knowledge and experiences gleaned through RF engineering, embedded systems engineering, and significant board- and system-level work, I can assertively address not only the heart of your project - getting the flight dynamics right, but also deliverables such as the.control-mixing plugin for your custom dual-stick control logic and any flight-protection limits. Moreover, my proficient grasp on Python would enable me not only to deliver your requested files but also to create custom test scenario files with the precision you desire. Operational efficiency is something I value highly and that includes utilizing suitable tools for every task at hand. Given this, we can discuss timing and any tools or SDK hooks you prefer to use in completing this project successfully while maintaining effective communication lines throughout
€500 EUR in 10 days
4.4
4.4

Hi, Your project "X-Plane eVTOL Ultralight Simulator" is a good fit -- Python backend and automation work is my main line of work. How I would run it: 1. Confirm the inputs, outputs and edge cases in writing first, so there is no ambiguity about what the script or service has to handle. 2. Build it in small reviewable pieces with tests around the parts that touch real data, rather than one large drop at the end. 3. Deliver clean, documented code with a requirements file and setup notes, so you or another developer can run and extend it without me. Matching your listed skills: Aerospace Engineering, C Programming, C++ Programming, Data Analysis, Electronics, Game Development, Python, Simulation, Software Development, Visual Effects. My bid is €638, within your €250-750 range. Let's connect to discuss this further -- happy to walk you through how I would structure it and answer anything you want covered first. Thanks for your time. Best regards, Ashish & Team
€638 EUR in 7 days
4.4
4.4

Hi there, Employer, Thank you for outlining such a compelling and technically ambitious project. I’m excited by your goal of delivering a true-to-life eVTOL ultralight experience within X-Plane—not just for fun, but as a genuine training tool for future pilots under Part 103. I understand that the core requirement is aerodynamic fidelity: ensuring the sim feels and responds like the real aircraft, especially when it comes to eight-motor thrust blending, decoupled two-stick controls, and a stable, hands-off hover mode. As an aerospace simulation specialist and software developer—proficient in C++, Python, and X-Plane’s plugin architecture—I have extensive experience in flight dynamics modeling, custom control logic, and plugin development for X-Plane. I've previously delivered custom plugins and .acf tuning for VTOL and multicopter trainers, using both Plane-Maker and direct SDK integration to achieve highly accurate flight envelopes and responsive handling. For your project, I propose a hybrid approach: leveraging Plane-Maker for baseline aero and weight/balance, then augmenting with a tailored C++ (or Python) plugin to realize your unique two-stick, eight-motor logic, including hover-hold and safety protections. This will enable precise, low-latency input mapping and advanced flight protections, with full transparency in source code for future adjustments. I’ll provide comprehensive test scenarios and a detailed performance validation write-up, ensuring the sim meets your drift, response, and compliance benchmarks. Let’s discuss your preferred development tools, any reference data you can share, and how best to align the controls with your real-world design. I look forward to collaborating on this innovative training solution!
€500 EUR in 10 days
4.6
4.6

Nice to talk you , After reading in detail the requirements of your project and concluding that they match my areas of knowledge and skills, I would like to introduce myself. My name is Anthony Muñoz and I am the lead engineer for DS Pro IT agency. I have worked for over 10 years in Backend and software development and have successfully done multiple jobs. It will be a pleasure to work together to make your project a reality. Please feel free to contact me. I´m looking forward to working with you. I really appreciate your time and remain attentive to any request or question. Greetings
€517 EUR in 7 days
4.5
4.5

Is your training data current through Part 10 microlight/ultralight standards, or should the flight model rely on generic eVTOL physics? Either way, I can get a basic flyable model into X-Plane's Plane Maker, control surfaces and rotor transitions mapped, in about a week. Numbers here are based on the post as written and may shift once we go through your exact training requirements. Want to hop on a quick call?
€450 EUR in 21 days
4.0
4.0

I can replicate the complex, multi-rotor control logic and flight dynamics you're aiming for, similar to the advanced VTOL aircraft I've developed for [mention a similar project or a specific complex aircraft you've worked on, e.g., "simulating the unique control authority of quadcopter drones in Aerofly FS2"]. My focus will be on achieving that precise "hands-off hover mode" and the nuanced blending of eight electric motors for seamless transition. My approach will involve custom datarefs and command scripting within X-Plane, likely utilizing C++ for the core flight model logic to ensure high performance and accuracy. I'll meticulously model the aerodynamic interactions and motor thrust vectors, focusing on the specific control response curves dictated by your dual-joystick system. The goal is to create a flight model that feels intuitive and directly translates pilot input into the desired aircraft behavior, reflecting ultralight characteristics. To ensure perfect alignment with your vision, can you provide any specific aerodynamic data or target performance metrics for the hover and forward flight modes? I’m confident we can build a highly realistic simulation. Let’s schedule a brief call to discuss the finer details and get this project airborne.
€610 EUR in 21 days
4.0
4.0

Hi, Your eVTOL simulator needs more than a visual aircraft model—the key is accurately reproducing the eight-rotor thrust distribution, two-stick control mixing, hover stabilization, and transition into forward flight. I’d build the X-Plane model around measured/design performance targets and tune the flight dynamics iteratively against your acceptance criteria. >>>Project Key Points: Eight-motor electric propulsion, accurate weight/balance and thrust modelling, independent dual-joystick inputs, hands-off hover hold, thrust-vector/control mixing, smooth hover-to-forward transition, flight-protection limits, and Part 103 envelope validation. Execution Plan: I’d use Plane Maker/X-Plane’s Experimental Flight Model for the aircraft configuration, with a custom C++/XLua plugin for control mixing, rotor thrust allocation, hover logic and custom datarefs where required. I’ll create repeatable test scenarios to measure response latency, hover drift, transition behaviour and performance against your targets. The control architecture will remain modular so motor characteristics, joystick curves, stabilization gains and protection limits can be tuned without rebuilding the aircraft model. With 7+ years in simulation and software development, I focus on physics-driven systems where deterministic behaviour and measurable performance matter. Excited to help turn the concept into a credible training-grade X-Plane model. Best regards, Prateek
€375 EUR in 7 days
4.1
4.1

Hi, I read your project "X-Plane eVTOL Ultralight Simulator" and I can help. I have solid experience in C Programming, Python, Electronics and can deliver clean, reliable work. Happy to discuss scope and start right away.
€250 EUR in 7 days
3.9
3.9

This is a strong fit for a simulation-focused build where flight-model fidelity matters more than visuals. I can structure the X-Plane aircraft around Part 103 limits, then tune the eight-motor thrust blend, lift transition, and hover-hold behavior until the handling feels symmetric and predictable across both joysticks. The work would include a tuned .acf, a control-mixing plugin for the two-stick logic and protection limits, plus test scenarios and a concise performance report against your target metrics. I would prioritize stable hover, clean handoff into forward flight, and responsive input mapping with minimal latency. For the implementation path, I’d use the most reliable mix of Plane-Maker, custom datarefs, and a plugin layer only where needed to keep the model robust and maintainable. The goal would be a training tool that pilots can trust for procedural practice and control feel transfer to the real aircraft. If you want, I can align the build to a specific SDK stack and start with the hover and transition model first, then refine the envelope and protection logic.
€650 EUR in 8 days
3.5
3.5

The key here is not the 3D model — it’s making the 8-rotor control system behave predictably enough that hover and transition practice actually transfers to the aircraft. I’d build this around X-Plane’s flight model with a custom control-mixing layer for the two independent joysticks, including per-motor thrust distribution, symmetric response, hover-hold logic, and protection limits. My approach would be: Tune the .acf for the target weight, CG, inertia, rotor/thrust characteristics and Part 103 envelope. Implement the two-stick mixer so vertical/yaw and forward/reverse/roll inputs remain properly decoupled. Blend the eight motors smoothly during hover, translation and transition to forward flight. Add hands-off hover stabilization with bounded corrections rather than an artificial “locked” feeling. Use custom datarefs/plugin logic where Plane-Maker alone cannot provide the required control behaviour. Build repeatable test scenarios for hover drift, transition response, control latency and maximum weight/speed checks. I’d specifically validate the <0.5 m/s hover-drift target and the <50 ms control-response requirement rather than relying only on subjective handling. A couple of things I’d want to confirm before starting: which joystick/controller hardware are you using, and do you already have the aircraft’s target mass, dimensions, rotor thrust curves and CG/inertia data?
€500 EUR in 15 days
3.5
3.5

Montpellier, Ireland
Member since Jul 23, 2026
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