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07-13-2014, 12:31 PM | #1 (permalink) |
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Join Date: Sep 2008
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Again:static issue
So, put together my old carbon stretched Protos 500 and fired her up today.She was unbelievably jumping like a kangaroo!! I have the boom grounded to the main frame.Wondering if wiring the boom to the motor mount would do the trick.I also sprayed the belt with some silicone spray however with no results.
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07-15-2014, 07:09 PM | #2 (permalink) |
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Join Date: Jan 2013
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Are you sure it was static? Do you have any telemetry or logging that would show spikes?
What fbl are you running? Is the belt loose enough to slap/ rub in the boom at all? I'm running a stretch carbon protos with the stock conductive boom case and I've never had a static hit in the 580 packs I've put through it. I've been using aluminum pulleys which may help dissipate some static at the tail case maybe?
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Prôtos Max v2 ~ brain,castle,MSh,Bk Goblin 700c ~ Ferarri carbon,Ikon,Castle,Quantum,Torq Goblin 500 ~ Bx,castle,Scorpion,Kst MSH USA team pilot |
07-19-2014, 02:11 AM | #3 (permalink) |
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Thread Starter
Join Date: Sep 2008
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Yup, was static. I grounded the boom to the motor directly and the jumps are gone.
I have the belt quite tight in front, but bit less on the back, however, there is no slap in the boom. Should the belt be really tight also on the back??
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07-22-2014, 11:35 PM | #4 (permalink) |
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Join Date: Apr 2011
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If its not slipping or slapping there is no need to make it tighter, you will just waste power.
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-DX8 -MSH MiniProtos Stretched, SK720, DS95/DS95i, Hyp 4S 25C 2500mAh -MSH Protos Stretched, Brain, Hyp DS16/BLS251, 6S 3000mAh -Goblin 500, HC3SX, Hyp DH16/MKS980BL, Scorp 4015-1100 |
07-24-2014, 06:13 PM | #5 (permalink) |
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Join Date: Jan 2010
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Having some static related issues myself. I've already grounded mine from under the tail servo clamp to the motor mount. What I didnt do was ground the screws around the servos.
On low humidity days or when I forget to lube the belt I can see a bit of cyclic servo twitching. I think the main blades also accumulate some static in flight and can discharge to the nearest conductive parts. Since the upper bearing block should be conductive I think extending the ground wire past the motor mount to the servos should do the trick. |
07-25-2014, 01:17 PM | #6 (permalink) |
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Join Date: Jul 2011
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Grounding tail block?
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Llama v3, EXI 450 Pro, Nano CPX, 130X, Protos 500, various planks Futaba 8FGH, Spektrum DX7s 18-channel scratch built tugboat controlled by modified Futaba Tx R/C junkie for the past 25 years and counting... |
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