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C4 - GENERAL
you done your FAIL/SAFE setup
- it is CRUCIAL that you do ?
on the forums quite regularly about pilots having their helicopters
suddenly spool up on them unexpectedly, and quite often this can
lead to bad or even severe injury, but it CAN BE CONTROLLED IF YOU
USE THE FAIL/SAFE SETUP PROVIDED BY MOST DECENT RADIOS.
problem is that many pilots believe that the ESC has the
"smarts" built in to not allow the helicopter to spool up
unless the throttle is opened intentionally. That is not a
belief that I subscribe to in all honesty.
very easy to forget to do the FAIL/SAFE setup because it involves
rebinding the radio Tx to the Rx, and that is something we have
already done, probably some time ago, so it never enters our head,
particularly after we have been all through our radio setups and got
it all working just as we want it to work.
IS WHERE THE PROBLEM IS.....
the FAIL/SAFE on most radios is quite a simple thing to do, as you
just need to set the transmitter up with all the settings and stick
positions you want your helicopter to return to in the event of a
brown out or total loss of connections.
major one to avoid these uncontrolled spool ups is to set the
throttle to the fully closed position. The cyclic can be left
centred and that is about it. Then you go through the normal bind
process with the transmitter in the FAIL/SAFE status you want.
is all there is to it to protect yourself against injury
and/or damage to your helicopter, or even both ....
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