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Has anyone used a F14 Navy radio in any of their subs? My real question is have you used any of the expansion modules with your radio and did you use an additional battery pack or a bec off your main batteries? neil
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Hi Neil
Yes, I have the F14 Navy with expansion modules. I run it from a BEC. The sub system is 12 volts so you would have really drain the battery to drop to 5 volts for the receiver not to work.
Best, Ed -
Neil,
I use a F-14 and
Neil,
I use a F-14 and also have an expansion unit. The expansion unit requires it's own power source, and can't be slaved off of the receiver power via the the connection to the receiver.
Cheers
BCComment
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f-14
I know you need a separate power supply i was just wondering if i could use a bec off my 12 volt battery for each module. neilComment
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Re: f-14
Yes you canI know you need a separate power supply i was just wondering if i could use a bec off my 12 volt battery for each module. neil
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The F-14
Hi Neil,
I guess I did not quite understand your original question. Most of the "switched" expansion modules such as the model 8269 have a connector called "BATT" at the top of the unit where you can provide whatever voltage you wish to use. The module itself receives +5 volts from the receiver to operate. Each output is a "switch to ground" type of connection which is backwards to most peoples thinking. We normally think of switching or providing the power (+) to a device. In R/C units, power is connected at all times and we provide the "ground" or, as some would say, the return. The center row of pins is a common "buss" with the + voltage we have applied to the "BATT" connection. This does not mean you cannot use multiple voltages at the same time. On the three pin connector, the center will be the + voltage of the connection to the "BATT" connector. The outer two pins will be your "switch to ground". I hope I explained this in an easy to understand manner. If not, tell me and I will try again!
Best, EdComment
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