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HomeRC & Power✈️Aircraft🚁HelicopterRadio - Spektrum DSM › be careful using wireless cams
08-01-2007 01:06 AM  13 years ago
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lesodell3

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albion michigan

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be careful using wireless cams
i was using a 5.8g wireless cam and it locked out my rx on my glider in it was good what happen after that so be care useing wireless cams anyone else have this trouble ?
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08-01-2007 01:07 AM  13 years ago
frebou

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Montreal / Canada

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what kind of transmitter/receiver?
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08-01-2007 02:53 AM  13 years ago
bigdad390

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East. Liverpool, Ohio

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How do you know the cam caused a lockout?
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08-01-2007 12:48 PM  13 years ago
BarracudaHockey

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Jacksonville FL

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Thats very interesting!

They just temporairly banned wireless video at one of our fields till they get an answer from the AMA. Seems someone got locked out and crashed as soon as his plane got like 50 feet away when another guy was using a wireless video setup.
Andy
AMA 77227
http://www.jaxrc.com
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08-01-2007 01:11 PM  13 years ago
lesodell3

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albion michigan

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the video eq was a vide comm 5.8 gig so i dont why it would have done what it did but after the crash i did a range check and sure enought it would kill the signal after 6 feet so after turning it off the range was fine , there was no dout it was the cam tx , and the cam had its own batt to
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08-01-2007 01:59 PM  13 years ago
d_wheel

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Deep in the heart of Texas.

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Is the video transmitter close to the R/C receiver? If it is too close, it can overload the rf section of the receiver regardless of what frequency it is on. Needs to be separated by at least 8 inches in my experience.

Later;

D.W.
Gettin old aint for sissies!
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08-01-2007 03:33 PM  13 years ago
BarracudaHockey

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Jacksonville FL

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In our case it was on a completely separate aircraft.Andy
AMA 77227
http://www.jaxrc.com
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08-01-2007 05:30 PM  13 years ago
d_wheel

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Deep in the heart of Texas.

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In our case it was on a completely separate aircraft.
That is VERY, VERY odd! What was the power output of the video transmitter? What frequency/channel was it and the aircraft that crashed on?

Later;

D.W.
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08-01-2007 07:16 PM  13 years ago
lesodell3

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albion michigan

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mine was very close
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08-01-2007 07:40 PM  13 years ago
BarracudaHockey

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Jacksonville FL

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I dont have the details of the video setup.

The airplane was a Brio 10 with a DX7
Andy
AMA 77227
http://www.jaxrc.com
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08-02-2007 01:52 PM  13 years ago
joaovitor

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Frankfurt/Germany

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Hmm...
would be nice if some Spektrum guru can explain if this is really possible.
For my understanding, this should not be possible.
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08-02-2007 02:10 PM  13 years ago
BarracudaHockey

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Jacksonville FL

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What do consider a guru?

I was an avionics tech for 12 years in the navy working with this stuff.

If you swamp a reciever you swamp it.
Andy
AMA 77227
http://www.jaxrc.com
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08-02-2007 03:36 PM  13 years ago
d_wheel

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Deep in the heart of Texas.

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dont have the details of the video setup.
This is one of the most significant details. I wouldn't even want to make a guess about what happened without this knowledge.

Later;

D.W.
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08-03-2007 12:26 AM  13 years ago
jfint

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Simi Valley, CA

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I know with spectrum those little wireless cams will shoot it down every time if the spectrum is turned on first. Turns out the little Chinese buggers are on the frequencies that are spectrum's first choice as it boots up, so if you power on the spectrum then the video lockout every time, power on the video then the spectrum and all is well.

We found this out the hard way, but in our case the cam is on 2.4ghz also. If the cam TX is on 5.8 and the spectrum is 2.4 I am confused, as they aren't even harmonics or multiples of each other.s
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08-03-2007 03:06 AM  13 years ago
lesodell3

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albion michigan

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that is what i though that 5.8 shouldnt have done it but there is no dout about it, i think i am got back to 72mz on the cam ship never had trouble with it
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HomeRC & Power✈️Aircraft🚁HelicopterRadio - Spektrum DSM › be careful using wireless cams
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