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Home✈️Aircraft🚁Helicoptere-SABGoblin 500 › Hot ESC
06-15-2015 02:06 PM  5 years ago
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nick.gruber

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Lincoln, NE

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Hot ESC
I have a Goblin 500 with a castle edge 100 installed and a Quantum 4120-1200. I finished flying yesterday and felt the motor and ESC which were both pretty hot. The battery was pretty warm. Is it possible the ESC isn't large enough. Also, it seems when add pitch quickly the rotor speed droops. I don't add more than 13 degrees pitch setup.
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06-15-2015 04:00 PM  5 years ago
Raptorz499

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NJ

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Are you using throttle curves or the governor on the esc? Are you using the stock pinion and what are the settings in your esc for motor timing etc?
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06-15-2015 04:26 PM  5 years ago
Funky Trex

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Westerville, OH - USA

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The Edge 100 has plenty of overhead for the Goblin 500 if setup properly so it shouldn't run hot, just warm. If it is running hot I would start checking the usual causes. These can be pinion/motor mesh too tight, over geared, running too low of throttle curves/gov setting, timing too high, too much pitch, etc. Also, the BEC in the Ice/Edge series does not have a lot of power. If you are using the internal BEC and power hungry servos, these can help build up a lot of heat in the Ice/Edge ESCs. This heat problem can be magnified quite a bit if there are mutliple issues I listed going on at the same time.
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06-15-2015 08:36 PM  5 years ago
nick.gruber

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Lincoln, NE

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I believe Im using either the 17 or 18 tooth pinion. Im not using more than 12 to 13 degrees of pitch. I'm using the typical Bert Krammer servos.
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06-28-2015 10:00 AM  5 years ago
HeliHov

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NorthEast USA

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Like Funky Trex mentioned, check all of your basics first. The Edge 100 should work just fine on that heli. If your rotor speed drops maybe play with your gain a little bit to correct it. With a typical setup like yours on the Goblin 500 things will get a little bit warm. A 6s setup with one battery is always hard on things due to the higher amperage draw. One other thing to note, I found by keeping the plastic main gear lubed and greased up on mine made everything spin a lot more freely.
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06-28-2015 02:20 PM  5 years ago
G.Stone

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Thompson, Pa. USA

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Some ideas.....to go along with all the other good stuff here.
Put it on the governor, back off pitch a little until you get combo working better.
Adjust governor gain with blades you will be using regularly. This makes a big difference, blades are the finally step in power needs. (Some "bite" harder than others)
As you get it dialed in, you can put pitch back in as needed.

Pretty hot is a relative term that tells me to get my temp gauge out. You may be OK and not in the danger zone yet.

Gobbies have poor airflow don't they? (Like my 4za)

Hope this helps.
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