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TO - How to connect up the Acer
Labs 40 ESC correctly
I think this is probably quite obvious to many, but perhaps not
I have used the Acer Labs 40A Esc on many
helis over the last few years, and have found them to be
reliable, cost effective and well suited to the Belt CP and
similar sized helicopters.
However, and quite typically these days, the
documentation that comes with it can be a little misleading, so
I want to clarify a few points that I have been asked over a
period of time.
The first thing is that there is a stringent
and even highlighted warning pretty well at the top telling you
that you MUST connect the short 3 wire lead with the female
style plug to the balance plug on your Lipo, and then only
connect it up in a certain order.
Unless you happen to have the 25A Acer Labs
ESC ONLY, THIS IS NOT TRUE, and indeed, the fittings
are different anyway so they will not connect.
CONNECTION IS ONLY NEEDED IF YOU ARE USING THE SPECIAL 25A ESC
Also, it is a fact that many
people misunderstand the rating system for ESC's too, and think
that the more power an ESC can handle, the more power their
helicopter will have - WRONG
In fact, it is in some ways just
the opposite, because the more power that an ESC is capable of
handling, the more power it draws itself, so if you replace say
the stock E-Sky 25A ESC with a 40A Acer Labs ESC, and then go
flying with a 15C lipo, you may well get quite a nasty shock, as
the power will be down, not up as you might have expected.
The way to handle this is to
ensure that you get the highest C rating lipo you can obtain
that fits your helicopter. Even though your Lipo may be
rated at say 1800 MAh and 15C, if you put in a different 1800
MAh that has a 25C rating, you will be amazed at the difference
in power your helicopter will have, and be able to use safely.
The other thing to note is that
Acer Labs 40A ESC has it's own switched BEC, so is more than
capable of powering powerful servos, including digitals that
usually insist on having a BEC to provide a stabilised power
source for them.