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700 Class Electric Helicopters 700 Class Electric Helicopters manufactured by Align, Tarot, SYMA, Airhog, Chaos, HK and similar. |
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08-02-2015, 09:17 PM | #1 (permalink) |
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Join Date: Jun 2010
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700 ESC down
Last week I was flying my 700 and did a hard turn maneuver and the esc went into a same mode. I checked the logs and it showed a huge temperature spike. I took it out today for a test flight. When I did norm, idle up 1 and idle up 2, it spooled up as advertised. As soon as I did a throttle pump, it went to safe mode again. I am guessing the esc is trashed.
Trex 700E Castle HV 120A Scropion 520KV motor. I am ordering a castle 160 w/ fan as a replacement.
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Trex 700L Ikon 2 / Trex 700L Ikon V. 2 / SAB Goblin 500 Sport Ikon 2 / HD Cell 500 Ikon 2 It isn't about if, it is about when! |
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08-04-2015, 07:46 PM | #2 (permalink) |
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Did you check the log again after your last flight and what does it say?
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Andreas M. Compass 7HVU Logo 600SX V2 Blade 450X |
08-04-2015, 07:58 PM | #3 (permalink) |
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It said 564 degrees. Nothing is burnt anywhere and doesn't make sense. I flew it again and no new logs that I saw. Like I said, spools up to speed, but once I put a load, it dumps.
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Trex 700L Ikon 2 / Trex 700L Ikon V. 2 / SAB Goblin 500 Sport Ikon 2 / HD Cell 500 Ikon 2 It isn't about if, it is about when! |
08-04-2015, 09:14 PM | #4 (permalink) |
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ok I admit I should of built it with a 160 to begin with, but I'm a cheapskate cliff
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08-05-2015, 12:09 AM | #5 (permalink) |
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lol, 120 should have worked, the 160 is better though. I just don't know what caused the temp spike. Nothing else spiked.
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Trex 700L Ikon 2 / Trex 700L Ikon V. 2 / SAB Goblin 500 Sport Ikon 2 / HD Cell 500 Ikon 2 It isn't about if, it is about when! |
08-05-2015, 01:48 AM | #6 (permalink) |
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Join Date: Feb 2011
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Check the motor, something must be causing a very heavy load to up the temp like that.
Check motor bearings and check for equal resistance across the wires. |
08-05-2015, 03:06 AM | #7 (permalink) |
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Join Date: Aug 2006
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I would contact Castle about the ESC, it shouldn't shut down so easily. The 120 can work on a high powered 700 but the 160 is better.
The temp spike is of course a logging or temp sensor failure, otherwise your ESC would be fried. Check your settings too. 8 PWM, Low timing, insensitive current shutoff is a good start. But if something is goofy with the ESC I would definitely have Castle take a look at it.
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08-05-2015, 03:18 AM | #8 (permalink) |
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Sounds like temp sensor failure and if it is, there is nothing you can do to fix it unfortunately and it needs to go back to CC. I would just go straight to the 160 and call it a day, lots more headroom and it is the proper size that a 700 with a big motor should have.
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Andreas M. Compass 7HVU Logo 600SX V2 Blade 450X |
08-05-2015, 08:06 AM | #9 (permalink) | |
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Quote:
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Trex 700L Ikon 2 / Trex 700L Ikon V. 2 / SAB Goblin 500 Sport Ikon 2 / HD Cell 500 Ikon 2 It isn't about if, it is about when! |
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08-08-2015, 02:41 AM | #10 (permalink) |
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I got my new esc. I got the castle edge 160 with a fan. I am sure that I don't need the fan, but was only a few dollars more. Plus I live in AZ and can get a little hot here.
__________________
Trex 700L Ikon 2 / Trex 700L Ikon V. 2 / SAB Goblin 500 Sport Ikon 2 / HD Cell 500 Ikon 2 It isn't about if, it is about when! |
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