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| Loss of signal https://www.spirit-system.com/phpBB3/viewtopic.php?f=20&t=1358 |
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| Author: | stratos7 [ Thu 14. Apr 2016 17:55:45 ] |
| Post subject: | Loss of signal |
Attachment: Just in a hover trying to get tail to hold. Heli goes nose up nose down crashes. No control from radio at all. Look at logs attached. How wired, power to fbl from bat. Power to AR 7700 from bat. SRXL from 7700 to RUD on fbl. Is this possible ground loop? Unplugged power from 7700 got control back. Possible problem? Ask ?s try to answer best I can. |
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| Author: | jgiannakas [ Thu 14. Apr 2016 20:18:33 ] |
| Post subject: | Re: Loss of signal |
What heli is it on? Is it belt drive? |
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| Author: | stratos7 [ Thu 14. Apr 2016 20:30:29 ] |
| Post subject: | Re: Loss of signal |
Pantera 50. yes Nitro |
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| Author: | jgiannakas [ Thu 14. Apr 2016 20:32:47 ] |
| Post subject: | Re: Loss of signal |
Is the tail grounded to the motor mount? I'm suspecting static hit on the receiver. Also were your antennas placed anywhere near the tail pulley? |
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| Author: | jgiannakas [ Thu 14. Apr 2016 20:33:53 ] |
| Post subject: | Loss of signal |
I can't see it being ground loop as both receiver and spirit are powered from the same source, unless you tell otherwise! However you don't need to plug in power and the SRXL servo cable to the receiver. Only the SRXL is enough as it also carries power. Plug both cables from the battery to the Spirit directly |
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| Author: | stratos7 [ Thu 14. Apr 2016 21:04:23 ] |
| Post subject: | Re: Loss of signal |
Boom grounded no, it is fixing to B. Antennas no were near pulley. Ground loop, didn't really think so either but wasn't sure. Thought static hit also. Ground boom will it fix if it is? Also going to hot glue plugs to fbl and receiver, because of the vibes. thoughts? plugs wiggle. |
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| Author: | jgiannakas [ Thu 14. Apr 2016 21:30:37 ] |
| Post subject: | Re: Loss of signal |
Possibly they came loose. I see you've had vibration warnings too- somethings a bit fishy there.. |
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| Author: | stratos7 [ Thu 14. Apr 2016 23:04:43 ] |
| Post subject: | Re: Loss of signal |
That's a first on vibration warning, think it got that when it hit the ground. But don't no. Tail belt was way to lose. possible problem there. Most concerned about signal loss and Received Frame was Corrupted Possible bad ar7700 or male to male wire from it to fbl unit. Not sure yet. |
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| Author: | ZeXx86 [ Fri 15. Apr 2016 7:11:02 ] |
| Post subject: | Re: Loss of signal |
Hello It is possible that there was really a static discharge problem or some cable slowly loosed connection. This is why the unit was reporting corrupted receiver frame and lost of the signal from the receiver. When a belt is too loose possibility for static discharges is increasing a lot, because it can touch a boom or other parts. First from all I recommend to verify cable between receiver and the unit. It should be plugged very well, all pins inside connector in the same "height". |
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| Author: | stratos7 [ Fri 15. Apr 2016 11:23:06 ] |
| Post subject: | Re: Loss of signal |
The weird part is when I got shut out from the receiver, both the lights were on lit solid no blinking. Still no control from radio. As far as the cable between ar7700 and fbl first time used came with fbl wiggle front to back in fbl & receiver. hot glue in, will it help? vibration problem in log I'm guessing tail. Is there a way to verify whether the receiver is good or not? how do you use spectrum analyzer with nitro? have no problem with Spirit Pro it tried to keep Heli level all the way into the ground, even without radio connection. (impressive) Rescue, was not on. In order to make Shure no static problem, do I need to scrape paint on boom for wire connection between it and motor mount? there are no screws that touch the boom that I can use for that. |
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