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04-03-2015, 11:44 AM
| #1 |
| Rock Stacker  Join Date: Feb 2013 Location: Honolulu
Posts: 81
|  Heat Temps
Just picked up a Yeti , dropped a 3s Lipo in her and sure enough things started breaking which was expected. After reading many threads off shopping I went ordered all the bells and whistles. I'm leaving the stock motor and esc in FOR NOW or until she lets go , I just changed my 16t pinion gear to a 17t pinion gear and ran her in straight lines about 40ft 6 times and brought her in to check the temps and she was at 183 deg F. What kinda of temps should I be looking for or running at ? Any help or speed gear combos would help  |
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04-03-2015, 12:05 PM
| #2 |
| MODERATOR™   Join Date: Jul 2004 Location: Ohio
Posts: 18,928
| Re: Heat Temps
You're hitting the upper limit there... 160 is the safe, "hot" number. Generally.
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04-03-2015, 04:52 PM
| #3 |
| Rock Stacker Join Date: Feb 2013 Location: Honolulu
Posts: 81
| Re: Heat Temps
Do you know of a solid 3s gearing ratio with good temps .
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04-03-2015, 04:56 PM
| #4 |
| Rock Stacker Join Date: Feb 2013 Location: Honolulu
Posts: 81
| Re: Heat Temps
I am running a Turnigy 5000 35-70c output , Could it be the battery ?
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04-03-2015, 04:57 PM
| #5 |
| MODERATOR™ Join Date: Jul 2004 Location: Ohio
Posts: 18,928
| Re: Heat Temps
No, not in a Yeti. You're obviously close. Drop a tooth and try again. If you're not smelling motor at 183 degrees, you might be okay with it. If the battery is hot, then it's the battery. If the battery isn't hot, then it's not the battery. |
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04-03-2015, 05:09 PM
| #6 |
| Rock Stacker Join Date: Feb 2013 Location: Honolulu
Posts: 81
| Re: Heat Temps
So pretty much stock is the max set up for 3s. I never checked the temps when it was stock even the 16t might still be hot. ��
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04-03-2015, 05:23 PM
| #7 |
| MODERATOR™ Join Date: Jul 2004 Location: Ohio
Posts: 18,928
| Re: Heat Temps
Axial pretty much sets up their trucks at the thermal limit. There's got be hundreds of posts talking about Wraiths killing motors on here. |
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04-03-2015, 05:38 PM
| #8 |
| Rock Stacker Join Date: Feb 2013 Location: Honolulu
Posts: 81
| Re: Heat Temps
Thanks EePee, I really appreciate your help
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04-03-2015, 05:41 PM
| #9 |
| MODERATOR™ Join Date: Jul 2004 Location: Ohio
Posts: 18,928
| Re: Heat Temps
No prob RCCbro. When I come to Hawaii, you're cooking something. Some kind of fish coconut rum surfing something.
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04-03-2015, 05:42 PM
| #10 |
| owner, Holmes Hobbies LLC  Join Date: Nov 2004 Location: Volt up! Gear down!
Posts: 20,290
| Re: Heat Temps
Hes gonna kick you onto a surfboard with a fishing pole and then throw a coconut at you. Then yall get drunk on rum afterwards. An on the subject of heat, 3s on the stock system is hard on the ESC but the motor does pretty good. Stock gearing or slower keeps the ESC happy. I doubt you would kill the motor before the ESC at any gearing. |
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04-03-2015, 05:44 PM
| #11 |
| Rock Stacker Join Date: Feb 2013 Location: Honolulu
Posts: 81
|  Re: Heat Temps
Anytime , I do a lot smoking ribs , steaks , wild pigs and lots of BEERS hit me up when you get a chance and will difinetly get er done.
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04-03-2015, 05:45 PM
| #12 |
| MODERATOR™ Join Date: Jul 2004 Location: Ohio
Posts: 18,928
| Re: Heat Temps
Sounds fine by me, cause I'll be surfin in Hawaaai!ii! I think I'm waterproofed. Can't really tell when the i becomes a ! |
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04-03-2015, 05:47 PM
| #13 |
| Rock Stacker Join Date: Feb 2013 Location: Honolulu
Posts: 81
| Re: Heat Temps
Holmes I can't stop laughing .. Should I upgrade the stock ESC ?
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04-03-2015, 05:53 PM
| #14 |
| RCC Addict Join Date: Aug 2012 Location: Philippines
Posts: 1,652
| Re: Heat Temps
Many have VERY good luck with the MMP. OR you could go with that sweet new Holmes Hobbies TrailMaster BLE Pro ESC... I hear it is going to be the be-all end-all ESC for all things scale, crawling and bashing! |
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04-03-2015, 05:54 PM
| #15 |
| RCC Addict Join Date: Aug 2012 Location: Philippines
Posts: 1,652
| Re: Heat Temps
... as for gearing... My trusty local hobby shop owner says "go up a tooth until you see smoke, then back down a tooth!" LOL |
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04-03-2015, 05:58 PM
| #16 |
| Rock Stacker Join Date: Feb 2013 Location: Honolulu
Posts: 81
| Re: Heat Temps
Only smoke I wanna see is the smoke coming out the smoker
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04-03-2015, 06:01 PM
| #17 |
| MODERATOR™ Join Date: Jul 2004 Location: Ohio
Posts: 18,928
| Re: Heat Temps
Yeah. Funny, but no. Heat. Again, you're right on the cusp. Take temps of the controller since you can. Can you smell the solder flux? |
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04-03-2015, 06:04 PM
| #18 |
| Rock Stacker Join Date: Feb 2013 Location: Honolulu
Posts: 81
| Re: Heat Temps
No not yet, I ll be dropping down the pinion back to the 16t before I run and check the temps . I'm almost thinking I may have to go down to a 15t.
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04-03-2015, 06:06 PM
| #19 |
| Rock Stacker Join Date: Feb 2013 Location: Honolulu
Posts: 81
| Re: Heat Temps
I may even cut a couple of holes in the hood to get a little more air flow to the motor and esc
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04-03-2015, 06:11 PM
| #20 |
| MODERATOR™ Join Date: Jul 2004 Location: Ohio
Posts: 18,928
| Re: Heat Temps
Is that the same as cutting some holes in your grass skirt?
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