14 Introduction to MICROBEAST
PLUS HD
MICROBEAST PLUS HD is the most powerful flybarless system from the MICROBEAST
series. While function and operation are identical to MICROBEAST PLUS, the HD version
is characterized by the possibility of a high power supply. This meets the requirements of
speed flyers and extreme 3D pilots and is primarily used in helicopters larger than 500 size
that have very power consuming servos installed. By using a low-resistance high-current
connector system MICROBEAST PLUS HD makes it possible to use thick power cables for
connecting receiver battery or BEC which preserves a virtually loss-free transfer of electric
current. In addition the power connection is switchable using a particularly fail-safe switch
system, so there is no need for a separate and costly power switch. Apart from the
high power supply and the switch system the operation of MICROBEAST
PLUS HD is identical to MICROBEAST PLUS. So it is not explicitly dealt with
the HD version later on in this manual. All subsequent executions are also based on
MICROBEAST PLUS HD!
Figure 39
Figure 40
Figure 41
The input voltage range is 4.0 to 8.4 volts!
Solder to the supplied power cable a matching counterpart for the supply battery used or
connect it with the BEC power wires (of your speed controller). When using a battery it is
not recommended to directly connect the battery to the MICROBEAST PLUS HD without
using the supplied power cable as an adapter. Continuous plugging and unplugging can
cause the overlying servo plugs getting unplugged accidentally or cause the adhesive gyro
pad to get loose! Receiver and servo plugs are connected to the ports on top of the unit.
There is no difference between HD and non HD version in this respect.
The use of the electronic switching system is optional. The switch is designed in a
way so that it interrupts the power circuit by shorting the switch circuit in OFF position. If
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