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随着电动模型小型化、轻量化的发展方向越来越明显，电动模型对电子设备的体积和重量要求也越来越高，成为模型产品制造商们纷纷追求的新目标。虽然体积小了，重量轻了，但是对于性能和品质的要求却丝毫不能有半丝含糊，因为电动模型不是玩具，失控、失误与故障都有可能对人或周围环境造成损伤和破坏。越是小型化的电子产品越是精密，对元品件的品质要求也越高；而舵机(Servo)作为一种微型电子与机械产品的合体，不仅要求电子部分控制精密，更要求齿轮传动部分也要达到精密和耐用的特性，要制造高品质的微型舵机尤其考究。那些过分追求低价格，偷工减料压成本的产品，很难达到高精度、可靠和长期使用的要求，这样的产品最后必将遭到市场的无情淘汰。
Along with the development of the lighter and smaller electronic models, the requirement to the weight and the physical volume of the electronic equipment becomes stricter. Though the physical volume is smaller and the weight is lighter, the performance and the quality should be taken in great consideration. The nicer of the miniaturized electronic product, the request to the quality of the component elements is higher. As a mixture of the micro electronic product and mechanical apparatus product, Servo not only requires precision electron fraction, but also require the drive fraction of the gears as well has the characteristic of nicety and durable, and you should examine closely if you want to produce high-quality micro servos. 5iMX在第一时间拿到了BlueArrow最新推出的精品超微舵机——BA-TS-4.3，这篇文章将向大家介绍这款产品的性能，希望对大家全面了解这颗4.3g的超微舵机带来帮助。
这是一只重量仅4.3g的超微型舵机，力矩为0.4kg/cm，速度为0.12秒/60度，工作电压4.8V，外形尺寸是19.6mm×19.6mm×8mm。该舵机采用JR规格接头，可兼容Futaba插头，兼容任何标准接收机（JR/Futaba等）。如果去除电线、插头等不必要的附件，该舵机的最轻重量仅为3.2g！BlueArrow BA-TS-4.3附送了四种舵盘，一颗舵盘安装螺丝和两颗舵机安装螺丝。 The weight of this micro-servo is 4.3g, the torque is 0.4 kg/ cm(5.55oz/in), the speed is 0.12sec/60°(No load running), the supply voltage is 4.8 V and the size is 19.6 mm × 19.6 mm × 8 mm. The servo adopt JR specification junction, it can also permit Futaba plug and any standard receiver (JR/ Futaba etc.). If some unnecessary attachments (such as the electric wire and plug) are removed, you can get a servo only at 3.2g. Besides, BlueArrow BA- TS-4.3 attached to provide four kinds of helm, a piece of helm fixed screw and two pieces of servo fixed screw for free.
BlueArrow BA-TS-4.3超微舵机的尺寸与一枚5毛硬币的大小相当，属于超轻、超小设计，是微型电动飞机、直升机的理想选择。它的外形尺寸是19.6mm×19.6mm×8mm，在使用前，请先仔细测量模型上的安装位置是否容许安装这种超微舵机。
BlueArrow BA-TS-4.3的引线长度约135mm，这个长度比GWS的超微舵机长一些，也更为合理。因为我们感到GWS的超微舵机引线长度过短，在安装上有些捉襟见肘。
BlueArrow BA-TS-4.3的外壳采用塑料材质，呈浅蓝色，表面经磨砂处理，有半透明效果，内部的齿轮机构和控制电路等若隐若现。BA-TS-4.3的做工很细，模具精度很高，外壳全部采用扣合式连接，没有使用一颗螺丝钉，这进一步减轻了重量。我们认为：模型产品应该往精品化方向发展，因为玩模型是一种兴趣爱好，有谁会愿意看到自己的“模型梦”里是一堆做工粗糙、品质低劣的三流配件呢？要体验最令人愉悦的兴趣爱好，精品模型才是真正的众望所归！目前国内有很多的杂牌舵机，在做工、性能和品质上实在不敢恭维。 BlueArrow BA- TS-4.3 micro-servo 's size is equivalent to a coin; it is super small and light design. It is the ideal choice for the micro electronic aero and helicopter. It’s shape size is 19.6 mm × 19.6 mm × 8 mm, before use it, please measure the fix place carefully to make sure this micro-servo is allowed to fix on the model. The connector wire length of BlueArrow BA- TS-4.3 is about 135 mm; it’s a little longer than the micro-servo of GWS and as well is more reasonable. Because we believe that GWS micro-servo’s wire is too short to fix. BlueArrow BA-TS-4.3’s shell adopts plastics material and takes a look of light blue. The surface is polished and has the translucent result; it makes the inner gear structure and the control circuitry faintly discernable. BA- TS-4.3 enjoys fine workmanship and accurate mold. The shell adopt the type of button up coincidence to connect, none screw is used, and it further reduce the weight. We believe that Model product should be made as exquisite article, for it’s a hobby to play models, no one is willing to find that there are a pile inferior quality of third-grade fitting in the beloved models. Only exquisite model can help to experience pleasure hobbies. 接下来，我们作一个简单的性能测试，考察BlueArrow BA-TS-4.3的性能。 首先考察BlueArrow BA-TS-4.3的虚位情况。每颗舵机里都有复杂的齿轮变速机构，齿轮与齿轮间存在的间隙是导致虚位的原因之一。一些劣质舵机的齿轮开模粗糙，难以保证很高的精度，往往虚位严重。具体表现是，舵机的舵盘可以在一定范围内可以自游活动。监测方法是：断开舵机与接收机的连接，装上舵盘，轻轻转动舵盘，使之产生旋转的趋势，但注意不要用力，不要试图使它真正旋转，因为这样有可能造成齿轮损坏。一般好的舵机，舵盘的虚位很小，只有一点点的转动，而性能差的舵机，则可能会产生较大的虚位旋转角度（1度以上）。BA-TS-4.3的虚位极小，我们感到基本上和GWS的性能相似，令人满意！ Let's do a simple test to check the performance
of BlueArrow BA- TS-4.3. 接下来考察BA-TS-4.3的工作情况。一般来讲，舵机有一个响应速度的概念，尽管不同舵机所标称的响应速度有可能是相同的，但在实际工作时的情况则有所不同。有些舵机的响应速度很快，但是工作过程中有一定延迟；而有些虽然可以迅速响应，但旋转速度又过于缓慢。出现这类情况则说明舵机性能较差。BA-TS-4.3的测试结果是令人满意的，它的标称速度是0.12秒/60度，这个速度并不快，因为还有0.09秒/60度的超微舵机，如GWS的PICO F，不过GWS PICO F舵机的体积比BA-TS-4.3大很多，是22.8mm×9.5mm×15.5mm。所以严格来讲PICO F应该属于准超微舵机，它的重量是5.4g。BlueArrow BA-TS-4.3的体积真的非常小，它的速度和力矩都比较令人满意，力矩是0.4kg/cm。 Secondly, let’s check the work occasion of BA-TS-4.3. Generally speaking, servo has a response speed, despite different servos’ nominal response speed is same, but it’s different at actual working hour. Some servos’ response speed is very quick, but it may be a certain delay during the working; and some can respond quickly, but the revolution speed is too slow. These occasions suggest that the servo’s performance is not pleased. The test result of BA- TS-4.3 is satisfactory. It’s nominal speed is 0.12sec/60°. BlueArrow BA- TS-4.3 is really very small, and its speed and torque are both reasonable. 结论
BlueArrow BA-TS-4.3超微型舵机拥有很好的品质，它的性能和可靠性不亚于台产或进口舵机，它拥有极小的体积和极轻的重量，在目前市场上还没有同类产品。BA-TS-4.3是微型电动飞机和微型电动直升机的理想选择。我们相信这个产品一定能给您带来更多的乐趣！ Do you want to own this micro servo? BlueArrow BA-TS-4.3 micro-servo hold the good quality, its performance and reliability equal to those servos produced in Taiwan or abroad. It possesses extreme small physical volume and light weight, and till now there are no similar product in the market yet. BA- TS-4.3 is a idea choice for micro electronic planes and helicopters. We convince that this product can bring you more fun.
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BlueArrow 4.3g超微舵机
