What is the Receiver BATT Port??
What is the Receiver BATT Port??
In this video I will discuss the BATT port of radio control (RC) receivers and what that is used for. In short I will answer What is the receiver BATT port. Let's get to it!
In the days before electric powered RC model aircraft, radio control planes used gas powered engines. Most of these engines had a throttle control. A dedicated throttle servo was used to push and pull the engine throttle control, and this throttle servo was use to control power.
There was no lipo battery for an electric engine. Thus, these radio control sets needed an inflight battery, usually a nicad, to power the airborne receiver and servos.
Today, through the engineering magic of the Electronic Speed Control (ESC) and the BEC (battery eliminator circuit) our electric motor lipo batteries can be used to power both the motor (at the higher voltages needed) and the ESC can "step down" the lipo voltage for the 5.0 volts needed for the receiver and servos. Thus, the BATT port on a receiver is not used with electric powered RC model aircraft.
Chapters
00:00 - Intro
00:23 - BATT port overview
01:46 - In flight battery
02:33 - Lipo batteries and ESC
04:14 - Spektrum receivers
04:50 - Conclusions
Пікірлер: 51
Thanks for info. I still use an on board airborne pack to power my reciever and servos, I take the red power lead from the ecs controller and just use the signal lead for the esc signal, if I run the motor battery too low and the motor shuts down I can still control the airplane. I know some of you mite say it's over kill but I feel better when I'm flying with a redundant system aboard. On my smaller planes, yes, I use the esc to power both motor and radio components. That's my story and I'm sticking with it LOL,LOL😂
@TimMcKay56
Жыл бұрын
Fully understand, great approach! Tim
@ficosk8
11 ай бұрын
I have seen that too and was wondering why. But if the battery for the receiver gets down and you don´t check that, it would be pretty sad :S What if the receiver gets power from the ESC and an extra battery?
Newbie with 2 months into the hobby and Ive already learned tons of things from your channel. From building & flying, to how things work and why. Thank you sir and keep em coming!
@TimMcKay56
9 күн бұрын
GL: Hey, thanks for checking in! Tim
Helpful as i've just gotten back into flying after 10yrs
@TimMcKay56
6 ай бұрын
Thanks for checking in! Tim
Just what I needed to know, thanks
@TimMcKay56
10 ай бұрын
😊👍🏻 Tim
I've been away from R/C flying for almost 10 years. When I was flying, I was very current on LiPo batteries, brushless motors, radios and receivers. I'm amazed at what I've forgotten. Thank you for your great videos.
@TimMcKay56
Жыл бұрын
No worries, thanks for checking in! Tim
You know, it seems like there a charm and authenticity to gas powered rc over electric. Electric is super convenient and gets the job done better than gas in almost every way, but it lacks the raw feel in a way I cant even explain. It's pure.
@TimMcKay56
20 күн бұрын
No argument, gas motors sound neat. Tim
@autismapostle
16 күн бұрын
@@TimMcKay56 its Nitro in english
Nice to know they are keeping the options for IC planes. I like you prefer electric. I've never had a bec fail on me yet. I also think Spekrum are good reasonably priced reliable kit. The only Spektrum items that failed on me were obvious fakes the price reflected it so i spun the wheel and lost. heyho. Great informative vid Tim keep it up.
@TimMcKay56
11 ай бұрын
Mark: Thanks so much for checking in! Tim
Thanks for sharing a good bit of history and information on powering receivers. When I got back into the hobby many years ago, I had much to learn as I wanted to use electric propulsion. There weren't many ECSs that had adequate BECs for my purposes. One of my large planes had an opto isolated speed controller. My older electric models had a 4.8 volt NiMh pack to power the system. For a more recent scratch build, I was working out my electrical system for a 54" Cessna 310. It has the E-Flite 15-25 sized retracts and split flaps as extra accessories (this was one of Rich Uravich's designs that was featured in Model Airplane News around 2007). I wasn't comfortable with using the BEC from one of the speed controllers. I disconnected the hot wires from both ESCs and used a 6 volt NiMh pack for all servos. As a bonus, the flight battery aided in balancing the airframe too! It's a fast little plane and flies well for me.
@TimMcKay56
Жыл бұрын
Understand completely and you did the right thing. Congrats!! Tim
Thanks!
@TimMcKay56
20 күн бұрын
No problem!
Great video and I appreciate you for making it. Informative for many. When I started the throttle had No control it ran or it didn't, it ran at one speed and we had Elevator and Rudder control , we ran until the motor stopped which was at any time, and often in a very short amount of time and normally ran very rough and smoked a lot . LOL My first electric Model only had ON and OFF and ran off a toggle switch one found in a automobile still no throttle control and it used a very heavy Nickel Cadmium Battery, still Just Rudder and Elevator . Technology has came a very long way .
@TimMcKay56
Жыл бұрын
Ahh . . . the good old days. Thanks for checking in! Tim
Thanks for sharing 👍
@TimMcKay56
11 ай бұрын
No problem 👍
@winder6
11 ай бұрын
Haven't done any rc planes since 1996 and was wondering about the new technology. Was thinking of making a slope soaring p 15.
@TimMcKay56
11 ай бұрын
@@winder6 Give it a try!! Tim
Super explanations as always Tim! I was always wondering why such big lipos for the receiver and sometimes to. Because it need to "feed" also big servos in bigger planes! What about some power boxes I have seen in bigger planes too? Are they for smoothening the voltage or something like that?
@TimMcKay56
11 ай бұрын
Thanks for checking in! Power boxes are a bit out of my league, but super useful for the larger planes. Tim
Should note the present state of ESC's versus when the electric boom of the early 2000's was underway These new ESC's have much better built in battery elimination circuits. You'll notice new esc especially brushless have a 3 amp rated regulator and a lot of them are doing this with a switching voltage regulator, which doesn't create nearly the amount of waste heat an early 2000's BL controller like the Castle Creations Phoenix 10's and 25's would with their analog, resistive regulators, which run with more than 3 or 4 servos, which added heating to the ESC's circuit board, especially when running more than 3S or 11.5~12 volt flight batteries. A number of these newer ESCs can handle up to 5 or 6 small servos while running 2s to 5S because of the switching voltage regulator.
@TimMcKay56
11 ай бұрын
Excellent technical update, thanks for this information. Tim
Thanks Tim. Have you range tested the antenna-less receivers? i wonder how they compare to a receiver with diversity?
@TimMcKay56
Жыл бұрын
I have, seems to work fine. Plus I’ve flown in EDF as well. Never had a control issue. Tim
@RCGDL
Жыл бұрын
@@TimMcKay56 Thanks Tim, good to know!
You can plug any rx battery pack in any channel just by using a y connector
@TimMcKay56
11 ай бұрын
Thanks!
I I tried binding a remote receiver to the ar620 receiver’ using the batt port . It actually bound. Not sure if it is supposed to be used this way.
@TimMcKay56
6 ай бұрын
Wow, very interesting! Tim
Hi Tim, Newbie question can i adjust my motor into push type in tx? Or there’s a different type of propeller should i buy to make my motor a push type?
@calimlimfrancisnoah5352
11 ай бұрын
Whats the difference between a 6040 and 6040e propeller?
@TimMcKay56
11 ай бұрын
One of the beauties of electric motors is the incredible ease of reversing the motor's direction. Simply sway any two of the three wires from the ESC to the motor, and the motor reverses direction. Changing rotation direction of gas motors is a much more difficult problem, so manufactures had to design specific "pusher" propellers for rearward facing motors. With electric motors and a pusher configuration I just mount the propeller backwards on the motor such that the propeller turns in the correct direction (clockwise as viewed from the cockpit for a tractor mounted motor). When an "e" is appended to a prop size, it usually means the prop is suitable for an electric motor. Gas motors need a more robust prop for vibration, etc. Electric props can be of a bit lighter construction. Tim
You say you don't use the BATT terminal when flying gas models. (4:55) How do you power the receiver and servos when using a glow engine and a specktrum set-up. Do you need a ESC or just use an old school receiver battery to the batt port? Thanks
@TimMcKay56
3 күн бұрын
If I said that, I need to correct the video. You do not use the BATT port when flying electric. The ESC plugs into port 1, and that provides the electrical power for the motor and electronics (servos and receiver). You plug (usually a nicad four cell battery) into the BATT port when flying gas models. That is the only way the receiver and servos can get electric power. Tim
@christopherrichards1025
3 күн бұрын
@@TimMcKay56 Thanks, your videos are great, straight forward and thorough.
i run AR630 and AR631 RX's can the BATT plug be used to power external lights on a plane instead of cutting into the servo lines
@TimMcKay56
Жыл бұрын
Great question . . . can anyone assist?? Tim
@Markevans36301
Жыл бұрын
, sure, it's the same as splicing into a servo
@Mikeylikesit1968
11 ай бұрын
YES
That integrated antennas are really cool I suppose! I had a very new AR637T receiver on an older MiniFuntana X 3D plane I bought a couple of weeks ago. After changing some components and doing some repairs I did not pay attention in good antenna routing. I suppose because of that I lost signal yesterday. Maybe also because of another gas plane starting (?)... This was my model: kzread.info/dash/bejne/ZZ2e3JWeYMbRdaw.html Have a nice day!!
@TimMcKay56
11 ай бұрын
Thanks for sharing! Tim
Those gas engines you say are really nitro engines
@TimMcKay56
11 ай бұрын
Fair enough. But there are a few gas motors out there. 😊