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01-06-2012, 10:23 PM | #1 |
Quarry Creeper Join Date: Nov 2011 Location: Kentucky
Posts: 478
| New SAVOX servo now no steering at all!!!!!What do i do now??????
last weekend i switched to a new set of sedonas and added weight to the wheels. The weigh about 6.5 oz. on each front wheel now. Lost a lot of steering. so I switched to a SAVOX SC1268-SG servo. it has 347 oz./in. torque. i did try using the stock ax10 servo horn and even tried using a couple of the ones that came with the new servo. This thing won't turn around in a 40 acre field now. Im still using the stock esc and reciever and transmitter. What am I doing wrong?????
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01-06-2012, 10:25 PM | #2 |
I wanna be Dave Join Date: Feb 2007 Location: BFE, NV
Posts: 2,324
| Re: New SAVOX servo now no steering at all!!!!!What do i do now??????
Search BEC.
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01-06-2012, 10:33 PM | #3 |
Quarry Creeper Join Date: Nov 2011 Location: Kentucky
Posts: 478
| Re: New SAVOX servo now no steering at all!!!!!What do i do now??????
Im also getting a buzz sound from the servo now. Is that from the high voltage or what?
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01-06-2012, 10:40 PM | #4 |
I wanna be Dave Join Date: Sep 2008 Location: four o six
Posts: 2,101
| Re: New SAVOX servo now no steering at all!!!!!What do i do now??????
yeah, are you using a external BEC?? 347 oz is only at 7.4 volts....you can get that by installing a BEC yes, buzzing from a savox is normal...if you searched, you wounld know that. |
01-06-2012, 11:07 PM | #5 |
Quarry Creeper Join Date: Nov 2011 Location: Kentucky
Posts: 478
| Re: New SAVOX servo now no steering at all!!!!!What do i do now?????? Ive searched and read now for about 2 hours and couldn't find anything that was simplified and to the point. So thats why i started this thread. No i don't have a externall bec. Im still running the stock AE-2 ESC. My battery set up is 3S lipo 35C 1300mah 11.1V. single motor of couarse on a AX10.
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01-06-2012, 11:30 PM | #6 |
I wanna be Dave Join Date: Sep 2008 Location: four o six
Posts: 2,101
| Re: New SAVOX servo now no steering at all!!!!!What do i do now??????
Not sure...but I think the stock ESC's bec is like 3A...so way more than half of the 347oz of torque...put a BEC on it, and set it for 7.4 volts...then you will see the monster that servo is... side note, the stock esc does not have a lipo cut off....if you want to keep that esc, you will need a external lipo cut off as well. thread on buzzing....side note, I didn't know it was normal either. Savox SA-1283SG Servo Last edited by squatch71; 01-06-2012 at 11:34 PM. |
01-06-2012, 11:54 PM | #7 |
cherry bomb Join Date: Jul 2006 Location: Nanaimo, BC, Canada
Posts: 1,598
| Re: New SAVOX servo now no steering at all!!!!!What do i do now??????
the stock AE-2 ESC is not rated for 3s lipo's people are getting away with it buy running an external BEC, you are not running an external BEC and are running 3s on the AE-2, step one.. get an external BEC. digital servo's have a high refresh rate so you will hear them constantly adjusting for center (it will buzz) |
01-07-2012, 06:06 AM | #8 |
RCC Addict Join Date: May 2008 Location: Chicago/Bloomington
Posts: 1,505
| Re: New SAVOX servo now no steering at all!!!!!What do i do now??????
The 3S explains a lot. First thing is as you increase the voltage to the ESC's BEC the amperage goes down. So if it was 3A at 7.4V it will be about 2A at 11.1V. Second is that Savox servos need lots of power, the are very power hungry and can draw enough current to starve the receiver causing a loss of signal or a brownout. Yes get the external BEC, Castle's is good and you can adjust the voltage output with the optional Castlelink ($25) and a computer. Then you can learn how to power the servo directly off the BEC without going through the receiver. |
01-07-2012, 09:20 AM | #9 |
RCC Addict Join Date: May 2008 Location: Green Bay
Posts: 1,138
| Re: New SAVOX servo now no steering at all!!!!!What do i do now??????
Not to high jack but.....will the internal BEC on the HH BR-XL be good enough for the same servo mentioned, SAVOX SC1268-SG ? Running 6 cell NiHm.
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01-07-2012, 12:42 PM | #10 |
I wanna be Dave Join Date: Sep 2008 Location: four o six
Posts: 2,101
| Re: New SAVOX servo now no steering at all!!!!!What do i do now??????
No it won't be good..........it will be great..you will have a woody and a girly giggle the whole time you run that rig!!! always run a external BEC, even on 6 cell...you will go to 3S soon....oh yes you will.. I believe they are sending out a code to receive a free one when you purchase from them...at least they did with me..I have like 4 of them now. |
01-07-2012, 12:51 PM | #11 | |
Quarry Creeper Join Date: Nov 2011 Location: Kentucky
Posts: 478
| Re: New SAVOX servo now no steering at all!!!!!What do i do now?????? Quote:
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01-07-2012, 01:03 PM | #12 | |
RCC Addict Join Date: May 2008 Location: Green Bay
Posts: 1,138
| Re: New SAVOX servo now no steering at all!!!!!What do i do now?????? Quote:
You confused my dumb old a$$, the internal on the BR-XL will work until I go LiPo? | |
01-07-2012, 02:39 PM | #13 | |
I wanna be Dave Join Date: Nov 2010 Location: 07456 N. NJ USofA
Posts: 8,314
| Re: New SAVOX servo now no steering at all!!!!!What do i do now?????? Quote:
Most BEC's have a wattage limit, thus when you up the voltage (like going to 3S LiPO) you lower the amperage. What is being stated is, when you up the battery pack voltage, you may lower the BEC amperage, thus under-driving high power servos. For most ESC BEC's, when you get much above 200inoz (torque for the servo) you are likely in the realm of needing an external BEC. The BR-XL can go a bit further. | |
01-07-2012, 03:02 PM | #14 | |
I wanna be Dave Join Date: Sep 2008 Location: four o six
Posts: 2,101
| Re: New SAVOX servo now no steering at all!!!!!What do i do now?????? Quote:
reddevil....Charlie hit it on the head. BRXL will work...just good habit to have a external BEC | |
01-07-2012, 03:32 PM | #15 |
Quarry Creeper Join Date: Nov 2011 Location: Kentucky
Posts: 478
| Re: New SAVOX servo now no steering at all!!!!!What do i do now??????
Just ordered the ccbec from TCS Crawlers for $15.99. They had it on sale for $9 off I didn't get the link yet. Funds are tight. I will be to still program it thru the transmitter won't I? Sorry for the miss information on this, I meant to type TCS Crawler the first time but posted that RC4WD has them on sale for 9 dollars off right now. It is actually TCS CRAWLERS. SORRY FOR THE MIS-INFORMATION. Last edited by donhd04; 01-07-2012 at 09:35 PM. |
01-07-2012, 04:06 PM | #16 |
I wanna be Dave Join Date: Dec 2009 Location: San Francisco
Posts: 2,236
| Re: New SAVOX servo now no steering at all!!!!!What do i do now?????? No, you need the link in order to program it. They come set for 5.1v although I dont know why they dont bump it up to 6v stock so you dont have to buy the link.
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01-07-2012, 05:53 PM | #17 |
I wanna be Dave Join Date: Sep 2008 Location: four o six
Posts: 2,101
| Re: New SAVOX servo now no steering at all!!!!!What do i do now??????
16 bucks??? thats a good deal. check fleabay...i found a castle link for 5 bucks once edit...where did you find the castle bec on RC4WD?? Last edited by squatch71; 01-07-2012 at 05:59 PM. |
01-07-2012, 06:34 PM | #18 | |
I wanna be Dave Join Date: Nov 2010 Location: 07456 N. NJ USofA
Posts: 8,314
| Re: New SAVOX servo now no steering at all!!!!!What do i do now?????? Quote:
Our advantage is that we have multiple CC BEC's as well as CC ESC's, thus a CClink is a minor cost. | |
01-07-2012, 09:32 PM | #19 | |
Quarry Creeper Join Date: Nov 2011 Location: Kentucky
Posts: 478
| Re: New SAVOX servo now no steering at all!!!!!What do i do now?????? Quote:
On Sale! $9 off Castle Creations CCBEC 10 amp Switching Regulator #010-0004-00*-*Miscellaneous*-*-Electronics*-*The Crawlers Store LLC Last edited by donhd04; 01-07-2012 at 09:36 PM. | |
01-07-2012, 09:46 PM | #20 |
Quarry Creeper Join Date: Nov 2011 Location: Kentucky
Posts: 478
| Re: New SAVOX servo now no steering at all!!!!!What do i do now?????? From the way you worded this it sounds like you work for them. If so great. Now if you do work for them and know this product well, with adding it to my mix, will it work properly untill I do get the link kit?
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