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{{DISPLAYTITLE:FAQs and troubleshooting|noerror}}
{{DISPLAYTITLE:FAQs and troubleshooting|noerror}}
==General questions==
===Which servos can be used with MICROBEAST PLUS===
A rule of thumb to find well suited servos for you flybarless helicopter: '''As strong as necessary, as fast as possible.'''<br />
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Servo torque in kg/cm should be at least 2-3 times the heli weight (in kilogram). Speed should be at least 0.1s/45°. The faster the better. In addition the servo should be very precise, have little gear backlash and a low deadband. And of course it should be a digital servo that supports high frame rates (200Hz or more). Also using special heli servos which are designed for maximum vibration resistance is a good choice.<br />
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Note that all the speed is useless if the torque is not enough. In doubt when two servos of a series are only slightly different in speed and torque, normaly the more powerful is in advantage.<br />
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Anyhow, if in doubt ask the manufacturer of the servo if it can be used in combination with flybarless/gyro systems. Not all servos can handle the additional stress of getting different control signals every few milliseconds. Also it must be said that not all servos can be used at maximum frequency even if so it is told on the servo's data sheet. Depending on air temperature, voltage level and heli size it is possible that servos can not be driven at their limit as the servo motor or electronics may heat up too much.
===MICROBEAST PLUS vs. MICROBEAST PLUS HD===
''I intend to use the MICROBEAST PLUS on my 600/700 heli. Should I go with the HD version''<br />
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The idea of MICROBEAST PLUS HD is to provide a power connection that allows to connect thick power cables to the unit, so the voltage loss due to wiring and plug connection is reduced to a minimum. In general for helis with standard size servo you should always use MICROBEAST PLUS HD, because this will eleminate the "servo plug problem" as one important factor that may be critical for your power supply.<br />
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Anyhow, it mainly depends on how you power your system. I.e. when using an ESC with only one bec line (and if this works without issues), then there will no benefit of using the HD version as you already have a "bottle neck" at the power output. The small wire will not be able to transfer more than 5 Amps continous current. Connecting this little wire to MICROBEAST's HD input will not help very much here.<br />
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If on the other hand you have at least two or even three BEC lines then this can be different as you may solder the power wires from the BEC together to the MICROBEAST PLUS HD high power plug. Then you have a much lower contact resistance compared to only connect the wires using the standard servo plugs, which is a real benefit for providing a stable power supply. Ideally you have a BEC or receiver battery that already comes with thick power wires. Here it is ideal to use MICROBEAST PLUS HD.<br />
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When using a separate receiver battery i.e. on nitro or gas helis using MICROBEAST PLUS HD is the ideal way to connect the battery to your rc system. In addition to the adequate connection plug here you have an integrated switch system for switching the heli on and off, so there is no need to buy an extra switch.
==Receiver menu== <!--T:50-->
==Receiver menu== <!--T:50-->