Ok, so I went ahead and ordered my Futuba 8JA, it comes with the receiver... ordered the servos too. My question is, in the description it said nothing about needing a battery for the receiver... I realize this a pretty dumb question but do the receivers still require a battery? Back when I flew last, probably 25 years ago, they required a battery but I also know that things have changed substantially.
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Hey Medic, that depends on whether you are going to fly gas or electric. With gas power you still need a battery to power your receiver, but with electric power the lipo battery used to power the motor also powers the receiver. Hope that answers your question.
Roy B. -
Unless the ESC is an "opto", which doesn't have a BEC built in. Then you need an external BEC and battery. OR, you can use a LiFe battery of the appropriate voltage to power the Rx (and all the servos).
"Normally, an ESC that has a built in BEC shoves the juice into the Rx via the central red wire on the throttle plug. In an opto ESC, the red wire does nothing.)Comment
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It is a gas model, thank you that does answer my question.Originally posted by boomer108 View PostComment
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