You should never operate an electric motor in a model without an arming
switch. It saves your fingers by allowing you to be absolutely sure you are
ready to start the motor.
There are two ways in which an electric motor can be more dangerous than an
infernal combustion engine:
1: When an IC engine is running there is a horrible noise letting you know
it is running. (This still doesn't stop some people from getting their
fingers chopped)
2: It takes a certain amount of deliberate action to get an IC engine
running, ie connecting a glow driver, flicking the prop etc. Once you have
activated the arming switch on your electric all you have to do is push the
throttle stick forward and your stationary prop is suddenly spinning. On my
one ESC, just activating the arming switch while the throttle stick is
forward starts the motor. Very dangerous! If your ESC did not have an arming
switch then simply turning on your receiver would start the motor if the
throttle stick was forward.
So the correct sequence of starting an electric model is:1, switch on the
TX, 2, switch on the RX, 3, wiggle your sticks and OBSERVE, 4, hit the
arming switch, 5, advance the throttle.
Regards
Richard Knott
- Original Message -
From: Tim Vandenheuvel [EMAIL PROTECTED]
My
question is, is the arming switch available on many of the ESC's more
truble than they are worth? It seems more like a hassle than anything. A
simple on/off switch seems quite adequite. I just hate to see more than
the
bare essentials on the outside of the airframe (switches, jacks, etc.).
Any
input would be greatly appreciated, Pardon my off-topic post, but there
are
only a few resources in the area.
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