Fan for TRX4 I have a brand new TRX4 and was thinking it maybe a good idea to put a fan on it to keep things cooler. Seems a lot are rather noisy so I was also helping to find something fairly silent. Is it better to do one on the motor or ESC? Any one you recommend? |
Re: Fan for TRX4 Like Natedog said, a fan is not needed. Spend that money on a new servo or portal weights or HW 1080 esc, something that will actually be an improvement. |
Re: Fan for TRX4 These answers kind of confused me am I missing something lol? Had my sport out yesterday for it's first real crawl session, (5 hours of comp lines lol) I thought it worked great, only mods so far were brass portal outers, better servo and Bec. Towards the end of battery#2 the xl5 went into thermal mode once. Then battery #3 it thermaled 5 times or so. Figured I could gear down slightly, or put a fan on the xl5, or say screw it and stick my roc 412 in it. Hmm🤔 |
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While you are not incorrect, you can get a heat sink and fan for a 550 can motor for under 5 bucks. I just bought several fans for a project for $1.32 each. But yeah get the HW1080 and be done. |
Re: Fan for TRX4 Thanks!! Im not opposed to the idea of a new ESC but don't have a clue what I need to do with it after I buy it. Do I have to program it to work with my factory transmitter? Any special wiring needed? IS this the correct one? https://www.amazon.com/Hobbywing-Ele...hobbywing+1080 I have the weights and a new servo to put on as well upgraded tires and the metal servo horn so an ESC sounds good just need a little help with that install. THANKS |
Re: Fan for TRX4 Quote:
No special programming. However I seem to remember that in order to get the motor to go the right way you have to calibrate it in reverse then switch it. I cant remember exactly what, I do remember that if you follow the instructions it works out. Install is easy. All you need to do is solder on the correct connectors, if they are different then what you have. The more difficult part and it isnt difficult at all, is using the programming card to individualize the esc power output for your driving style. Hard part is figuring out how you want it. Oh you can now run a 7.4v servo off the internal BEC if you want, if will run all but the most power hungry servos. Basically read the instructions. But if you have issues just post them up, someone will get you squared away. |
Re: Fan for TRX4 One of the earliest mods to my TRX4 was to switch to a 9t pinion. The extra motor speed goes a long way toward reducing operating temps. |
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Be careful about running 7.4v out of the HW1080 because not only will it power an upgraded steering servo, it will also power the RX and all the shift/T-lock servos at 7.4v as well. Problem is that these components in the TRX4 are only rated at 6v. This is where you get into the need to install an external BEC to power the steering servo. |
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Its good that you both pointed that out, as I just assume everyone would know to adjust voltages as needed. It is also easy and cheap to rectify. I few bucks for a 6v bec, and some wiring would address that. |
Re: Fan for TRX4 Power all the 6v components off the ESC as designed. Power the upgraded steering servo from an external BEC at 7.4v or what ever voltage the particular servo is rated at. |
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Re: Fan for TRX4 I find sets of male/female 3.5mm or 4mm bullets to be best... cheap and easy to solder! |
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