motor

Considerations When Choosing a Drone Motor--Drone Motor Sizes Choosing the right drone motor sizes is essential for optimizing your FPV drone's performance, whether you're aiming for speed, agility, or stability. Drone motor sizes directly impact the drone's power, efficiency, and overall flight characteristics. Understanding the differences between various motor sizes will help you make an informed decision that aligns with your specific flying needs, from racing to freestyle or cinematic flying. In this guide, we will be concentrating on the drone motor sizes, which is one of the most important factors you should consider when you are choosing the right motor for your FPV drone. If you want to learn more about how to choose a drone motor, read this guide on How to choose fpv drone motor a detailed guide 2024 What Drone Motor Sizes We Need? Like 2208 Brushless Motor and 2217 Brushless Motor Brushless Drone Motor Components There are two major components to a brushless motor: Rotor - the rotating component with the magnets arranged in a radial manner Stator - the portion with electromagnets that is non-rotating Brushless Drone Motor Sizes Explained Just like the meps motor 2306 for example: length of rotor shaft: 30mm±5 inner…

Introduction In the vibrant and ever-evolving realm of drone innovation, the careful and precise selection of FPV drone motor and batteries emerges as a cornerstone for unlocking optimal performance. Whether you find yourself captivated by the memorizing world of drones as a passionate enthusiast or as a seasoned pilot seeking to elevate your aerial pursuits, the meticulous pairing of motor and battery components stands as an indispensable endeavor. Within the expansive confines of this article, we embark on an immersive journey, delving into the intricate intricacies of this vital match-up with meticulous detail. Our aim is to equip you with the knowledge, insights, and expertise necessary to navigate this dynamic landscape with confidence, enabling you to make informed decisions that will propel your drone's capabilities to new heights of excellence. Understanding FPV Drone Power Requirements The total weight of your drone is a key factor in motor and battery selection. Every additional gram will impact performance and flight time. When determining required thrust, consider the flight characteristics you're aiming for. Higher thrust may be needed for acrobatics or increased maximum speed. FPV Motor Selection Brushless motor is often favored for their efficiency and power compared to brushed motors. However, brushed…

Hey there! When you want to learn more about FPV drone and build your own drone yourself, then you must understand the parts of FPV drone. There are three main categories of parts: the flight system, the power system, and the FPV system. The flight system includes motors, propellers, electronic speed controllers (ESCs), a flight controller, and a radio receiver. The power system consists of a battery and a power distribution board. This guide will explain in detail what makes up a FPV drone and exactly what the parts are. Without a doubt, beginners can absolutely build FPV drones even without any experience! If you want to build one and are unsure about how to choose from so many parts for FPV drone, you'll understand it all after watching this video: How to Choose FPV Drone Parts. When selecting a frame, ensure the mounting holes match those of the flight controller. Pay attention to the KV value of the motor and choose the appropriate power according to your needs. When choosing an Electronic Speed Controller (ESC), make sure its maximum current rating is higher than that of the motor. Select the appropriate flight controller (FC) and video transmission equipment (VTX)…

Introduction: MEPSKING introduces the MEPS 2207 1750 KV Motors, offering impressive specs and affordability for FPV drone enthusiasts. This review provides an unbiased assessment of their design and performance. With a lightweight unibell design, these motors excel in efficiency, making them ideal for long-range flights. While lacking punchiness for racing, they offer great value at $20. Long-term durability is yet to be determined. Overall, they present a promising option for long-range FPV flying. Introduction of MEPSKING's MEPS 2207 1750 KV Motors for FPV drones. Evaluation conducted without any contractual obligation, ensuring unbiased assessment. Features a lightweight unibell design with a hollow titanium prop shaft. Priced at $20, making them cost-effective. Impressive efficiency, particularly suitable for long-range flights. Not designed for racing but offer excellent value for extended-range FPV flying. Long-term durability remains to be observed. What you need： Freestyle Recommended: Racing Recommended: Here are the products shown in the video: Video Overview MEPSKING, a newcomer in the FPV drone motor market, recently sent me their 2207 Motor 1750KV for review. These motors boast impressive specs at a great price. In this review, I'll assess how they compare to existing manufacturers, who they are targeted at, and most importantly, whether they…

Introduction: The MEPS 1404 brushless motor is a powerhouse designed for the thrill-seeking drone pilot. This ultralight motor, weighing in at a mere 9.5 grams, packs a punch, making it ideal for a variety of applications, from high-speed drone racing to freestyle acrobatics and smooth cinematic footage capture. Lightweight Design: The motor weighs only 9.5 grams, making it ideal for ultralight quadcopters and cinewhoops. High Performance: Offers precise control, low noise, and comes in three KV options (2900KV, 3800KV, 4600KV) to cater to various flying styles. Durability: Features a unique Uni-Bell design and uses high-quality materials such as N52H arc magnets and a stainless steel shaft. Versatility: Suitable for a wide range of applications, from drone racing to cinematic footage capture. Propeller Compatibility: Recommended to pair with specific propellers (MEPS 1218 tinywhoop propeller and MEPS 3046 cinewhoop propeller) for optimized performance. What you need： Freestyle Recommended: Racing Recommended: Here are the products shown in the video: Video Overview It presents the MEPS 1404 brushless motor, highlighting its lightweight design (only 9.5g), high performance, durability, and versatility for different drone flying styles. Uniquely Designed for Performance and Durability The MEPS 1404 boasts a unique Uni-Bell structural design. This innovative approach integrates…

Introduction: Hugh from Asgart Studios introduces the AOS 3.5 V5, a compact freestyle drone designed for high performance under the 250g weight limit. Equipped with a DJI O3 Air Unit and MEPs 1404 motors, it delivers agility and power in a lightweight frame. With an impressive flight time of 8 minutes on an 850mAh 4S battery, and throttle scaling set to 60%, it offers both endurance and power. While suitable for experienced pilots, it's important to consider build complexity and local regulations before investing in this promising sub-250g contender. Introduction of AOS 3.5 V5 by Hugh from Asgart Studios, designed for freestyle flying under 250g weight limit. Features lightweight frame prioritizing disc loading for agility. Equipped with DJI O3 Air Unit and MEPs 1404 motors for power and high-quality image capture. Impressive flight time of 8 minutes on 850mAh 4S battery with throttle scaling set to 60%. Suitable for experienced pilots due to aggressive maneuverability. Considerations include build complexity and adherence to local drone regulations. What you need： Freestyle Recommended: Racing Recommended: Here are the products shown in the video: Video Overview Hey everyone, Hugh here from Asgart Studios! Today I'm out in the field putting my new AOS 3.5…

Introduction: In the video, we unbox, review, and test MEPS 1804 3500 KV motors, showcasing their quality, aesthetics, and durability. Mounted on an Apex 4" frame, these motors are compared to 1505 Motors at 3750 KV, with the MEPS motors delivering impressive power and precision during the maiden flight. The video concludes that the MEPS 1804 motors significantly enhance the FPV flying experience, making them a great choice for any quad build. Unboxing: Revealed MEPS 1804 3500 KV motors and accessories, highlighting quality packaging and contents. First Impressions: Noted for aesthetic appeal, robust build, and thoughtful design for durability. Build: Installed on an Apex 4" frame, anticipating performance comparison with previous motors. Maiden Flight: Demonstrated significant power and smooth flight experience. Conclusion: MEPS 1804 motors enhanced the build with their power, efficiency, and durability. What you need： Freestyle Recommended: Racing Recommended: Here are the products shown in the video: Video Overview Welcome back to the channel, everyone! Despite the dreary onset of winter, with its cold, leafless trees, and constant rain, there's always a silver lining for us hobbyists—new packages! Today, I'm pretty sure we've got a set of motors that are destined for a 4" quad build. So, let's…

Introduction: Flying FPV drones is an exhilarating hobby, offering a unique perspective and thrilling experience. However, the high speeds and complex maneuvers that make FPV flying so exciting also increase the risk of damage to the drone. Understanding which parts are most susceptible to damage and how to protect them is crucial for maintaining the longevity and performance of your drone. This article delves into the components of an FPV drone most likely to break and provides safety tips to help protect your investment. Vulnerable Parts: Propellers, motors, frame arms, and antennas are prone to damage in FPV drones. Propellers: Most susceptible to breakage upon impact, but inexpensive and easy to replace. Motors: High-speed flights strain motors, especially after crashes, but durable MEPS motors offer better resilience. Frame Arms: Carbon fiber arms bear crash impacts; separate arm designs allow easier replacement. Antennas: Critical for signal transmission, prone to breaking or disconnection during crashes; secure mounting is essential. Check for Short Circuits: Use a multimeter before first flight to detect potential short circuits, preventing damage to flight controller or ESC. Secure Wires: Fasten all wires securely during assembly to avoid propeller contact and potential damage during crashes. Delay Propeller Mounting: Complete…

Introduction: Exploring unconventional FPV drone setups, we conducted experiments mixing different motor models on a single drone, starting with MEPS SZ2207 motors and introducing variations like SZ2306 and SZ2806.5 motors. This exploration aimed to understand how mixed motor configurations affect drone performance, revealing both potential and limitations. Our findings highlight the versatility and robustness of MEPS motors, encouraging FPV pilots to experiment beyond traditional setups. Experiment Goal: To test different motor mixes on FPV drones, challenging the norm of using four identical motors. Standard Setup: Started with a drone equipped with four MEPS SZ2207 1950KV motors. Mixing Motors: Experimented with a mix of SZ2207 and SZ2306 motors, then tried diverse KVs and sizes, including SZ2806.5 with 2207s. Findings: The experiment offered insights into mixed motor setups, maintaining high performance with MEPS motors in various configurations. Community Impact: Encourages FPV pilots to experiment with their setups and share their experiences. What you need： Freestyle Recommended: Racing Recommended: Here are the products shown in the video: Video Overview Whether you're just starting out or you're a seasoned FPV pilot, the conventional wisdom has always been to equip your drone with four identical motors. This standard approach guarantees stable flight dynamics, ensuring that…

Introduction: This guide aims to simplify the essentials for beginners venturing into the world of FPV drones by detailing the required equipment and associated costs. It covers choosing a radio controller, understanding the price range for FPV drones, the importance of FPV goggles, selecting drone batteries, and anticipating additional expenses. Emphasis is placed on making informed decisions within a budget by opting for high-quality gear that minimizes potential high upgrade costs in the future. Key considerations and tips are provided to assist in this process. Always factor in the cost of additional batteries and a charger when budgeting. Choose equipment that suits your skill level and growth potential. Prioritize quality gear that aligns with the preferences of experienced pilots. Begin with simulators to sharpen skills before transitioning to actual drone flying. Understand that the cost of an FPV setup varies widely, making research and careful selection crucial. What you need： Here are the products shown in the video: Video Overview Selecting the right drone motor size is crucial for optimizing the performance of your FPV drone. In this guide, we'll explore MEPS' range of motors tailored to different frame sizes and flying styles. MEPS 2207 Motor and MEPS 2306 Motor…

Introduction: The MEPS Space SZ 2408 1900KV motor review highlights its high-quality design, durability, and performance for 5 and 6-inch quadcopters. Featuring a titanium shaft and N45 magnets, it provides smooth operation and excellent thrust, making it suitable for both freestyle and aggressive flying styles. Recommended for quadcopter enthusiasts looking to improve their aircraft's performance. Design and Quality: High-quality, durable design suitable for 5 and 6-inch quadcopters. Construction: Features a titanium shaft and N45 magnets for smooth operation. Performance: Delivers excellent thrust, demonstrated by over 1800 grams of thrust with HQ propellers on a 6S battery setup. Suitability: Ideal for freestyle and aggressive flying styles. Recommendation: Highly recommended for quadcopter enthusiasts aiming to enhance performance. What you need： Freestyle Recommended: Racing Recommended: Video Overview Welcome, friends! In today's spotlight, we have the MEPS Space SZ 2408 1900KV motors, a prominent release from the Maps company's esteemed Space series. These motors are designed with a keen eye on performance and durability, making them an ideal choice for quadcopter enthusiasts. Let's dive into the specifics and see what these motors have to offer. Unboxing and First Impressions Upon unveiling the MEPS 2408, we're greeted with a robust and meticulously designed motor. The…

Introduction: This video offers a concise guide on assembling a 3.5-inch CineWhoop drone with a focus on installing a digital video system, highlighting key assembly steps and flight capabilities. Guide Overview: How to assemble a 3.5-inch CineWhoop drone with a digital video system. Key Components: Speedyb35 frame, MEPS 2004 motors, digital FPV. Tools: Hex wrenches, soldering iron. Assembly Steps: Frame setup, electronics installation. Betaflight Setup: Configuration for optimal performance. Motor Testing: Ensuring correct motor order and spin direction. Flight Insights: Agility and power evaluation, propeller upgrade suggestion. Final Note: Drone ready for flight, balance of power and efficiency highlighted. What you need： Freestyle Recommended: Racing Recommended: Here are the products shown in the video: Video Overview In today's video, we're diving into the exciting process of assembling a 3.5-inch CineWhoop drone equipped with potent motors and a digital video system. While we focus on a digital setup, converting to an analog system is straightforward for those who prefer it. Initial Impressions and Flight Test Unveiling the Drone We begin by unboxing and preparing the drone for its maiden flight. Equipped with a new battery, the drone is remarkably agile, thanks to its 2507 motors. Despite using a powerful setup, I…

Introduction: This guide details the steps for applying PID presets in Betaflight to improve the flight performance of a 3.5-inch drone, including firmware updates, applying presets, calibrating the drone, and final flight testing, aimed at both novice and experienced drone enthusiasts. Introduction to configuring PID presets in Betaflight for drone flight dynamics improvement. Explanation of PID (Proportional, Integral, and Derivative) controls. Simplification of the PID tuning process using Betaflight's presets. Step-by-step firmware update and configuration for a T-motor F7 flight controller. Application of custom defaults and accelerometer calibration. Selection and application of a Superfly FPV freestyle preset for enhanced performance. Final review of settings, adjustments based on specific build components, and flight testing. What you need： Freestyle Recommended: Racing Recommended: Here are the products shown in the video: Video Overview Today, we're going to delve into configuring PID presets in Betaflight, a request from MEPS King. While PID tuning can seem daunting, applying presets is quite straightforward. PID, standing for Proportional, Integral, and Derivative, is a control loop vital for drone flight dynamics. Let's dive in and make this complex process a bit more approachable. What are PIDs PIDs are essential in adjusting how your drone responds to your commands…

Introduction: This guide provides a concise method for checking FPV motor bearings for damage. By removing the rotor and inspecting the bearings, users can assess their condition. By gently rotating the shaft, any clicking sounds or resistance indicate damage to the bearings. Regular checks help maintain optimal performance and prevent costly repairs. Early detection and maintenance are key to prolonging FPV equipment lifespan and enhancing the flying experience. Remove the rotor carefully and inspect the bearings on the stator. Check the lower bearing by gently rotating the shaft for clicking sounds or resistance. Similarly, assess the upper bearing for any irregular movement or clicking sounds. Regular checks ensure optimal performance and prevent costly repairs, enhancing the overall FPV flying experience. What you need： Freestyle Recommended: Racing Recommended: FPV motor bearings are crucial components which is pretty easy to damage. When a bearing is damaged, you have two options. You can choose to replace the entire motor directly which is the easy but expensive, another option is replace the bearing which we recommend you to do as FPV will always have problems, and you can save a lot of money if you can fix those components. There are pretty of the online tutorials available for this…

Introduction: This guide provides a comprehensive step-by-step walkthrough for building an Apex 4 FPV drone, utilizing MEPS 2004 motors, an FC F7 flight controller, 40-amp ESCs, and an ExpressLRS receiver, tailored for both beginners and seasoned enthusiasts. Project Goal: Assemble an Apex 4 FPV drone featuring MEPS 2004 motors, an FC F7 controller, 40-amp ESCs, and an ExpressLRS receiver. Key Components: MEPS motors with mounting accessories, and guidance on ESC soldering and insulation. Flight Controller: Steps for FC installation, ESC connector adjustment, and receiver setup. Betaflight Setup: Instructions for firmware update, port configuration, motor protocol selection, and system adjustments. Optimization: Details on ESC firmware upgrade and Betaflight fine-tuning for optimal performance. Performance Testing: Successful flight test with 6S batteries, highlighting excellent drone responsiveness and control. Conclusion: A guide suitable for beginners and experienced pilots to build a high-performance Apex 4 drone. What you need： Freestyle Recommended: Racing Recommended: Here are the products shown in the video: Video Overview Today, we embark on an exciting project: building an Apex 4 fpv drone. This guide will cover everything from selecting the right components to the final setup, making it accessible even for beginners. We will use Maps engines, an FC F7 flight…

Introduction: This article documents building a lightweight, 2.5-inch indoor drone for $127, featuring Meps 1404 motors and various budget-friendly components. Despite a low-quality frame, the drone performs well in tests, highlighting the effectiveness of Meps motors. The project offers insights into the drone assembly process and the evolving landscape of drone motor manufacturing, encouraging openness towards new brands in the FPV community. Building a lightweight, 2.5-inch indoor drone with Meps 1404 motors, costing around $127. Frame from AliExpress for $12, SpeedyBee F405 Mini stack for $44, Foxeer Razer camera and HGLRC Zeus VTX for $20 total, and an ELRS receiver for about $10. Outdoor flight test showed smooth performance with adequate power from the 4S LiPo and Meps motors, but noted the need for a better quality frame. Despite initial skepticism, Meps motors were comparable to other brands, suggesting similar manufacturing quality within the industry. What you need： Freestyle Recommended: Racing Recommended: Here are the products shown in the video: Video Overview In this project, I ventured into assembling a 2.5-inch drone specifically designed for indoor flights while keeping it extremely lightweight. This drone serves primarily for practice, honing my piloting skills in a confined space. MEPS 1404 motors review…

What is FPV motor? It is belong to uav motor. The most common use of uav motor is to spin the propellers of multirotor drones to enable them to fly.The multicopter's flying characteristics are greatly impacted by the choice of electric FPV drone motor. Small differences in a motor's design have a big influence on the multicopter's weight, responsiveness, and overall power. Let's start here to learn more about fpv motor. When choosing FPV motor, you must know the total weight of the helicopter. The calculation of the approximate weight of the drone is done by considering all the components of the drone. First, you need to answer a few questions: What is the total weight of the quadcopter you plan to have? What are the overall structural dimensions of your fpv drone? As for the total weight of the fpv drone, you can only assume it at the initial stage because you haven't developed it yet. The total weight of course includes the frame, flight controller, PDB, cables, drone motors, drone esc, batteries, fpv camera and transmitter and other components. Keep in mind that the total weight at the beginning is always a conservative approximation. You can always go…

Introduction When we started flying FPV drones, we had doubts about which motors to use. Sometimes we chose motors that looked better without considering the differences between types of motors. This article looks at the different types of motors for FPV drones. We'll look at motors for drone racing and freestyle flights. There are differences between them. We'll also look at the best motors for each type of flight. Which Motor is Suitable for Beginners If you're a new pilot, don't worry about the type of motor for drone racing or freestyle. Focus on developing your skills and learning to enjoy different types of flight. Understand the KV ratings for your electronics. KV is a unit of measurement for motors. It estimates the power of a motor based on RPM and volts. As a beginner, it is ideal that you Use low KV motors with fewer cells in your drone. The more KV you have, the more power and torque you will get. When you are just starting to fly, it will be harder to control your drone. As a tip for a beginners who are not clear yet whether they like FPV drone racing or want to do freestyle, the ideal motors would…

Introduction With the price increases that have occurred in recent years and continue to persist, building an affordable drone has become increasingly challenging, but not impossible. In this guide, I will list some websites where you can purchase budget-friendly components. Additionally, I will provide two examples of cost-effective builds, one for freestyle and one for cinematic drones. It's important to note that when constructing a drone, it's essential to have a clear understanding of the frame on which you'll be mounting the electronics. This helps you determine the available hole patterns for mounting and select components that are compatible with these measurements. Furthermore, you should possess the skills for soldering/desoldering, know how to connect various components, and be capable of configuring the system once it's assembled. In this brief article, however, as mentioned earlier, I will solely focus on listing the components for two budget-friendly builds. Websites And Economic Fpv Drone Components Let's start by listing the websites where you can purchase materials for our budget-friendly build. Unfortunately, there are fewer sites with excellent prices, but fortunately, there are still some available. For materials for a budget build, you should consider purchasing from the following sites: Mepsking.com: This site offers…

Why it essential to clean FPV bldc motors? It's likely that you have seen that FPV drone motors are not well protected. The bldc motor windings are clearly visible from both below and above the fpv motor. What may happen if not clean your fpv drone motors in time? Here are some incidents that may occur if you not clean your fpv drone motors in time. Overheating: The fpv motor dissipates heat through clean airflow across it; therefore, if the magnetic surfaces of the rotor are heavily contaminated, the heat may not dissipate effectively. Your motors run hotter than they should as a result of this. Wear and excessive friction: The crushed ceramic particles between the rotor and stator cause wear and increased friction in addition to harming the polished surface. Over time, this could cause irreparable damage to the drone motors. ESC overloading: The motor movement is slowed by the accumulation between the rotor and stator. The power drain will rise as a result of the ESC sending the motor additional current in order to make up for it. You run the risk of burning your ESC or motor coils if things grow worse. Preventive software on certain expensive…

How Long Do Brushed Motors Last? You are probably aware that brushless motor survive longer than brushed motors if you own a drone with a brushed motor. With frequent use, the brushed motors should survive at least a year, or between 1,000 to 3,000 flight hours. But as previously said, how well you take care of them will determine this. The brand is another element that impacts how long they last. While some models have better motors that last longer, others won't stop working after more than two months. How Long Do Brushless Drone Motors Last? Do Brushless Motors Last Longer? The difference between a brushless motor and a brushed motor is the presence of brushes in a brushed motor. Nonetheless, the two motors use the same method to produce electricity. This implies that tools with brushed motors have less motor space in the motor portion, such as in drills and drones. Because of this, the brushed motor generates greater heat, noise, and friction, all of which contribute to wear and tear. Brushless motors require more frequent maintenance because overheating damages both the tool and the battery. Drone motors that are brushless have a lengthy lifespan. The motors don't have any brushes to…

Basics of FPV Drone Motor--Whats a Brushless Motor The power needed for our FPV drone to fly is aided by motors. In essence, it is the force, energy, or impetus behind those drones that has the biggest impact on each quadcopter's flight characteristics. Here, even a slight modification to the design arrangement has a noticeable effect on how responsive a quadcopter is. The majority of fpv drone motors are known as brushless motors because they spin the motor by using three phase power to drive electromagnets. What exactly is electromagnetic now? It is essential to the operation of bldc motor, both brushed and brushless, because it facilitates the transformation of electrical energy into kinetic energy. The motor rotates as a result of the electromagnet's or permanent magnets' combined attraction and repulsion. Next we are going to learn FPV motor components. If you want to learn more about how to choose a brushless motor, read this guide on  How to choose fpv drone motor a detailed guide 2024 FPV Drone Motor Components Stator Brushless FPV drones are just what the name suggests—they lack brushes. The rotor and the stator are its two main motor components. The motor's stationary component, known as the stator…

Why it is important to cool FPV motor? After a vigorous flight, it's common for FPV motor to get warm, but how hot is too hot? Pinching the engine by the bell with your fingertips—ideally immediately after landing—is a simple technique to find out. It's acceptable if you can comfortably hold your fingers there for more than ten seconds. It may indicate overheating if it gets too hot to handle. When fpv motors overheat, the winding's coating may melt, creating internal electrical shorts that will emit smoke and cause irreversible damage to the fpv motor. Overheating motors can eventually affect performance since the magnets lose their magnetic strength; Certain magnet types may be more heat resistant than others. Heat wastes more energy, which reduces flying duration. How FPV Motors Work FPV (First-Person View) motors are a crucial component of an FPV drone, responsible for converting electrical energy from the battery into mechanical energy that spins the propellers, allowing the drone to fly. Understanding how these motors work can help diagnose and prevent issues like overheating. Electromagnetic Induction: When electrical current flows through the stator’s windings, it generates a magnetic field. The arrangement of the windings and the timing of the…

Your fpv drone cannot fly if any of its motors are not moving in the proper direction, which is extremely crucial. However, how can the fpv motor be made to turn the other way? You could be taken aback by how many options there are! It can be done in two major ways. Hardware solution: Altering the wiring between the fpv motor and the ESC. Software solution: You can modify the ESC or flight controller's settings. What are the types of fpv motor rotation direction? It is possible for fpv motors to rotate either clockwise (CW) or counterclockwise (CCW). Propeller rotation occurs in two directions: "Props-out" and "Props-in." Each has benefits and drawbacks. All current firmware has "Props-in" as the default direction, which is the typical approach. “Props-out” "Props-out" configuration is most suited for 3" and smaller fpv drone, at least when considering important flight qualities. This becomes really apparent when you turn sharply; Setting the FPV camera's "Props-out" direction is a good idea, aside from the aerodynamic benefits in smaller (3" to sub-3"). The likelihood of getting soiled and damaged during the crash is reduced. This is because the propellers rotate in the opposite direction as the camera, throwing debris…