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HomeAircraftHelicopterHelicopter Main Discussion › Rogue signal causing 2.4ghz aircraft to crash
02-03-2013 06:38 PM  5 years agoPost 41
YSRRider

rrElite Veteran

usa

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being that the crashes were in the corner of the field leads me to believe that it could be some sort of Faraday cage effect. Are there power lines along the road or underground power?

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02-03-2013 07:01 PM  5 years agoPost 42
JuanRodriguez

rrProfessor

The Villages, Florida

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http://www.xtremepowersystems.com

Been there, done that and old enough to know better.....

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02-03-2013 09:13 PM  5 years agoPost 43
JasonJ

rrKey Veteran

North Idaho

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Interestingly there were several incidents at the field yesterday. I had a flybar'd 450 just heal over and eat it, my mCPX failed, my little quad ended up stuck in a chain link fence, my friend had his new 450's head come apart on spoolup and the tail gears on his 50 size nitro failed. All this happened within an hour. Mysterious indeed, except here is what really happened.

My 450 was given to me, I went over it and missed the stripped servo arm. My mCPX doesn't like cold and always acts up, I had forgotten about that but it did the coolest little miniature auto as it was acting up resulting in an upright landing on its skids. The wind blew my little quad into the fence. My friend thinks he didn't use enough Loctite or tighten the feathering shaft bolts on his new Align 450 Pro FBL and when he was flying his nitro he accidentally touched the tail at landing.

The most common factor in all these mystery event were us and our human failings.

My belief is that antenna placement should be looked at, shadowing is a huge problem and I feel confident most flyers are experiencing more holds than they realize because their antennas are being shadowed by carbon fiber or metal.

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02-04-2013 01:02 AM  5 years agoPost 44
ThumbBumper

rrVeteran

A little to the right and down!

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I would suggest, that you go to the area of the field where all of the mayhem is occurring and get as high as you can and very slowly look around all 360 degrees. Make note of any towers that are visible and then locate them on a map.

Connect the towers by drawing lines and see which ones intersect in the area of the field where you are having this problem. Anything that falls in this area should be considered suspect. It could be very possible that you are flying through a point-to-point microwave link. Even if it is not exactly at 2.4Ghz, if the signal is strong enough, it could be overloading the receivers in the models and cause your problem.

To find out what is on any suspect towers, you can go to the FCC website and look up the towers owners in their database by the towers coordinates. Once you find out who owns the towers you should be able to determine what they are being used for.

My guess would be you are flying through one of these links.

Good luck.
Bob

If it ain't broke, go fly some more!
http://facebook.com/groups/TORCHS/

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02-04-2013 01:33 AM  5 years agoPost 45
Solmanbandit

rrElite Veteran

Tucson , AZ

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I don't know of any towers in the area, but will try and check out the suggestions.

Trex 700E / Trex 500 ESP - Ikon/ HD 500 - Ikon 2/ Goblin 500 Ikon 2

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02-04-2013 02:43 AM  5 years agoPost 46
HugeOne

rrKey Veteran

Quebec, Canada

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Surf a bit a FPV/RPV boards and you will quickly notice spectrum is famous for short range and poor resistance to jamming.

Raptor e620 w/V-bar, Tango 45-06, Phoenix 85HV, TrueRC 12S1P 4000mAh

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02-05-2013 12:51 AM  5 years agoPost 47
icanfly

rrElite Veteran

ontario

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"Am I wrong but is there ;good, better and best 2.4kz radio equipement. All FM equipement had this as a selling point. Example would be PCM versus PPM."

Similar is dsm, dsm2, and dsmx. Those and the potential for satellites though the sat's wires need to be routed externally away from servo, motor, batt, and esc wires. The connectors are tiny and need to be inspected for looseness and damage to make sure they stay connected. Guys have replaced the stock (spektrum) wires with something more flexible and put a dab of hot glue on the outside of the micro plugs to hold them on better.

Back to the future,

good luck solving the riddle Solmanb.

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HomeAircraftHelicopterHelicopter Main Discussion › Rogue signal causing 2.4ghz aircraft to crash
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