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1 DJI SNAIL 2305 Racing Motor 2305 竞速电机 User Guide 使用说明 V

3 Disclaimer and Warning Thank you for purchasing DJI Snail 2305 Racing Motor (hereinafter referred to as product ). Read this disclaimer carefully before using this product. By using this product, you hereby agree to this disclaimer and signify that you have read it fully. Please install and use this product in strict accordance with the User Guide. SZ DJI TECHNOLOGY CO., LTD. and its affiliated companies assume no liability for damage(s) or injuries incurred directly or indirectly from using, installing or refitting this product improperly, including but not limited to using non-designated accessories. DJI is a trademark of SZ DJI TECHNOLOGY CO., LTD. (abbreviated as DJI ) and its affiliated companies. Names of products, brands, etc., appearing in this document are trademarks or registered trademarks of their respective owner companies. This product and document are EN 3

4 EN copyrighted by DJI with all rights reserved. No part of this product or document shall be reproduced in any form without the prior written consent or authorization of DJI. This disclaimer is produced in various languages. In the event of divergence among different versions, the Chinese version shall prevail when the product in question is purchased in China, and the English version shall prevail when the product in question is purchased in any other region. Introduction The Snail 2305 Racing Motor is designed for racing multirotor aircraft and features a thrust margin that is ten times its rated capacity. Using advanced computer algorithms, the 2305 motor is more efficient and more stable when producing maximum thrust. Its rugged structure is a direct result of impact analysis and drop tests. 4

5 In the Box EN 2305 Racing Motor 1 Screws ( M3 5, M3 6) Mounting the Motors The dimensions and thread sizes of the motor are illustrated below. Ensure they are compatible with your frame arms before mounting the motors. ф2.95 mm 17.3 mm 28.2 mm ф29 mm 5

6 EN 4 M3 Thread Depth 3 mm 16 mm 3 M2 Thread Depth 3 mm 19 mm 10.3 mm Assembly hole on the bottom Assembly hole on the top Use a suitable propeller adapter and airframe that can withstand the large thrust delivered by the Snail Racing Propulsion System. Choose an appropriate screw length and screw size according to the depth of the assembly hole and thickness of the motor mounting plate. Using screws that are too long or too large may not be able to secure the motor. 6

7 Ensure the motors rotate smoothly in the right direction before takeoff. When mounting or removing the motors, be careful to prevent foreign bodies from entering the base screw holes. Refer to the DJI Snail Racing Propulsion System User Manual for more information. EN Specifications Stator Size 23 5mm KV 2400rpm/V Weight (Without Cables) 27.8g 7

8 EN ESC Configuration Calibrate the throttle range and switch the motor rotation direction using the remote controller. 1. Power on the remote controller and receiver. Ensure a strong link between them. Push the throttle stick all the way up. The motor will start a double beep, single beep sequence. 2. Then the warning sound will alternate between a quick single beep and a quick double beep. Pull the throttle stick all the way down after hearing a single beep to calibrate the throttle. Pull the throttle stick all the way down after hearing a double beep to reverse the motor rotation direction. By rotating the desired motor quickly in any direction, this motor s rotation direction will be changed. 3. The warning sound becomes a chime when completed. 4. Restart the ESC after reversing its rotation direction. 8

9 System Status Beep Codes The motors will beep when the Snail is in use. The table below contains more information about the warning sound. EN Alarm Description Chime Ready to work. Minimum throttle signal not reached. Check the flight Rapid Beeping controller, remote controller or remote controller receiver. Slow Beeping No throttle signal. Using the remote controller Alternating Single for configuration and set and Double Beeps motor rotation direction. 9

10 I 2305 Racing Motor Performance EN η (%) T (N m) P (W) I (A) 100 T P η N (rpm) η- Efficiency, T- Torque, P- Output Power, I- Current, N- Rotational Speed The data above contains theoretical values measured with an input voltage of 14.8V, for reference only. When operating at a temperature of 25 C with no additional cooling devices, the motor cannot operate with a current more than 50A. 10

11 It can support short term operation (about 1 to 10 sec) with a current between 25A and 50A, and continuous operation with a current under 25A. The motor run time should depend on the actual environmental temperature and cooling conditions. EN Characteristic Parameters Speed Constant Torque Constant Back Electromotive Force Constant Line-to-Line Inductance Mechanical Time Constant Line-to-Line Resistance Motor Rotor Inertia 2400rpm/V N m/a v s/rad 14μH 200ms 61mΩ 1.84kg mm² 11

12 EN Thermal Time Constant Total Rotor Inertia (5048S Propeller Included) 100s 6.62 kg mm² Compliance Information FCC Compliance This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference, and (2) This device must accept any interference received, including interference that may cause undesired operation. Any changes or modifications not expressly approved by the party responsible for compliance could void the user s authority to operate the equipment. This equipment has been tested and found to comply with the limits for a Class A digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference when 12

13 the equipment is operated in a commercial environment. This equipment generates, uses, and can radiate radio frequency energy and, if not installed and used in accordance with the instruction document, may cause harmful interference to radio communications. Operation of this equipment in a residential area is likely to cause harmful interference, in which case the user will be required to correct the interference at his own expense. EU Compliance Statement: SZ DJI TECHNOLOGY CO., LTD. hereby declares that this device is in compliance with the essential requirements and other relevant provisions of the EMC Directive. A copy of the EU Declaration of Conformity is available online at EN EU contact address: DJI GmbH, Industrie Strasse. 12, 97618, Niederlauer, Germany 13

15 免责声明感谢您购买 DJI TM Snail 竞速多旋翼动力系统系列配件在使用 Snail 竞速多旋翼动力系统系列配件之前, 请仔细阅读本声明, 一旦使用, 即被视为对本声明全部内容的认可和接受请严格遵守说明安装和使用该产品因用户不当使用安装改装 ( 包括使用非指定的 DJI 零配件, 如 : 电机电调螺旋桨等 ) 造成的任何损失, 深圳市大疆创新科技有限公司及其关联公司将不承担任何责任 CHS DJI 是深圳市大疆创新科技有限公司及其关联公司的商标本文出现的产品名称品牌等, 均为其所属公司的商标或注册商标本产品及说明为深圳市大疆创新科技有限公司版权所有未经许可, 不得以任何形式复制翻印关于不同语言版本的免责声明可能存在的语义差异, 中国以中文版为准, 其他地区以英文版为准 15

16 简介 CHS Snail 2305 竞速电机是一款专业应用于竞速多旋翼飞行器的动力电机, 拉力裕量是额定拉力的十倍以上且爆发力强先进的计算机算法有效提高效率, 保证大拉力下的表现优异稳定同时, 根据竞速多旋翼飞行器的使用场景, 进行了力学冲击仿真及科学的跌落测试, 结构强度和耐摔性均得到了保证物品清单 2305 竞速电机 1 螺丝 (M3 5,M3 6) 16

17 安装电机参考电机尺寸将电机安装到合适的力臂上 ф2.95 mm CHS 17.3 mm 28.2 mm ф29 mm 4 M3 螺纹深度 3 mm 16 mm 3 M2 螺纹深度 3 mm 19 mm 10.3 mm 电机底部安装孔电机顶部安装孔 17

18 CHS Snail 竞速多旋翼动力系统的拉力较大, 务必确保您所选用的电机固定座及机架的结构强度与动力系统提供的拉力匹配请注意螺纹孔尺寸和螺纹深度安装电机时, 请根据螺纹深度和您使用的电机固定座厚度, 选择合适的螺丝若使用过长的螺丝, 拧入后可能导致电机无法固定起飞前请检查电机是否可以流畅旋转安装及拆卸电机时, 切勿使异物进入电机底部的安装孔更多内容, 请参阅 DJI Snail 竞速多旋翼动力系统用户手册产品规格定子尺寸 KV 值重量 ( 不含线 ) 23 5 mm 2400 rpm/v 27.8 g 18

19 使用遥控接收系统设置参数用户可以通过遥控接收系统进行油门校准及电机转向切换 1. 打开遥控接收系统且遥控器和接收器通讯正常后, 将遥控器油门杆推至最高, 此时电机进入编程模式, 电机鸣音为 B---B-B---B 2. 紧接着电机鸣音方式变为 B-BB-B-BB 循环, 在 B 一声后将遥控器油门杆下拉至最底可进行油门校准 ; 在 BB 两声后将遥控器油门杆下拉至最底可进行电机正反向切换, 此刻以任意方向快速旋转需要改变转向的电机, 完成正反向切换 3. 设置成功后, 电机鸣音为正常开机音 4. 如进行的是电机正反向切换, 切换成功后需重启电调 CHS 19

20 电机提示音描述 CHS 使用时, 请根据电机鸣音判断产品是否正常工作如果出现异常状态鸣音, 请排查故障正常状态鸣音开机音异常状态鸣音 BBBB B--B--B B---B-B---B 描述系统就绪描述油门输入不在最小值, 请检查飞控接收机或遥控器设置无油门输入通过遥控接收系统设置参数 ( 油门校准以及正反向切换 ) 20

21 I 2305 电机性能性能曲线 η (%) 100 T P T (N m) η 0.7 P (W) I (A) CHS N (rpm) η- 电机效率,T- 扭矩,P- 输出功率,I- 电流,N- 转速以上数据均为输入电压 14.8 V 时的理论值, 仅供参考在室温 25 无额外冷却装置的情况下, 电流超过 50 A 为不可工作区域,25-50A 为短时 ( 约 1-10s) 工作区域,25 A 以下为可持续工作区域实际使用时, 请根据工作环境温度和散热条件控制电机运行时间 21

22 特征参数 CHS 速度常数 2400 rpm/v 扭矩常数反电动势常数线电感 v s/rad N m/a 14 μh 机械时间常数 200 ms 线电阻 61 mω 电机转子惯量 1.84 kg mm2 热时间常数 100 s 转子总惯量 * 6.62 kg mm2 * 含 5048S 螺旋桨内容如有更新, 恕不另行通知您可以在 DJI 官方网站查询最新版本 Copyright 2016 大疆创新版权所有

24 DJI Support DJI 技术支持 If you have any questions about this document, please contact DJI by sending a message to DocSupport@dji.com. 如果您对说明书有任何疑问或建议, 请通过以下电子邮箱联系我们 :DocSupport@dji.com Printed in China. 中国印制

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