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09-29-2014, 02:26 PM | #1 (permalink) |
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kosmik post crash loose tab
Hi guys,
I put my e7 with a kosmik 160 in pretty hard recently. The esc still functions normally, tho i havnt reassembled yet or attempted to fly it. My concern is that the tab that connects to the negative battery lead is ever so slightly loose now. i can move it left and right just barely. it seems like its probably bolted on the inside of the controller. Tab is slightly bent, and It also shows a small burn like there was a slight arc between the tab and...idk what...maybe the esc case. Im tempted to take the top off the controller, tighten the tab and straighten it back out, and go fly. what do you think? Can i take the kosmik apart and tighten it out or should i avoid that and send it in? thanks, Blair
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Specter 700 x 2--Diabolo UL--Compass 6hvu--Logo 600--oxy5+, oxy5, Oxy3, oxy2, SAB Mini Comet Cajun Aircraft |
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09-29-2014, 02:28 PM | #2 (permalink) |
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pic
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Specter 700 x 2--Diabolo UL--Compass 6hvu--Logo 600--oxy5+, oxy5, Oxy3, oxy2, SAB Mini Comet Cajun Aircraft |
09-29-2014, 03:58 PM | #3 (permalink) |
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Join Date: Feb 2008
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Well.. You can do it if you know what you're doing.
The cover plate has to be removed. The PCB with power FETs is bolted to the back of this plate. No need to remove the PCB from the plate, don't do it. It would be a good idea to use some contact grease. Kontronik did not. There're spacers used. Do not over tighten. It is about the distance of the FETs from the aluminum plate. The thin layer of anodizing is not a sufficient insulation. ----- Regarding the warranty. Guess this would void it.
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Tom (j-log.eu) |
09-29-2014, 04:27 PM | #4 (permalink) |
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Thanks Tom!
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Specter 700 x 2--Diabolo UL--Compass 6hvu--Logo 600--oxy5+, oxy5, Oxy3, oxy2, SAB Mini Comet Cajun Aircraft |
09-29-2014, 04:30 PM | #5 (permalink) |
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Join Date: May 2011
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Richard Zappe Team Kontronik USA PeakAircraft |
09-29-2014, 04:33 PM | #6 (permalink) |
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Join Date: Feb 2008
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On the other hand it should be possible to tighten the tabs from outside.
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Tom (j-log.eu) |
09-29-2014, 08:14 PM | #7 (permalink) |
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Well..I don't want to void my warranty, and kontronik USA suggests there could possibly be internal damage....so I guess it's off to Germany. Bummer, but good thing I've got other Helis to fly
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Specter 700 x 2--Diabolo UL--Compass 6hvu--Logo 600--oxy5+, oxy5, Oxy3, oxy2, SAB Mini Comet Cajun Aircraft |
09-29-2014, 08:24 PM | #8 (permalink) |
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Thought: after crashing..do u still have a warranty?
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Specter 700 x 2--Diabolo UL--Compass 6hvu--Logo 600--oxy5+, oxy5, Oxy3, oxy2, SAB Mini Comet Cajun Aircraft |
09-30-2014, 01:06 AM | #9 (permalink) |
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Not for crash repairs.
Very nice pics Tom
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minicopter DIABOLO LOGO 550sx scorpion spirit futaba IISI |
09-30-2014, 03:08 AM | #10 (permalink) |
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Not my pics. The photos were taken in Australia and posted here in HF, look at the link addresses.
...oops, no, solarfreaks.com
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Tom (j-log.eu) |
09-30-2014, 12:23 PM | #11 (permalink) |
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...
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minicopter DIABOLO LOGO 550sx scorpion spirit futaba IISI |
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