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Blade
Blade 350QX › 350QX lost signal high in sky result in Kill to get it back down =[
02-21-2014 01:26 AM  3 years agoPost 1
wesleykeith2013

rrNovice

Clearwater, FL

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Tonight i was practicing night time flying and there was slight breeze, quad responded just fine. went into "blue" mode to get the quad higher up so i can video the city skylight and suddenly when i went to switch to "green" mode the quad wouldn't reply to my commands no stick inputs or switches. only thing that i could do was press the "throttle cut" switch and it fell. lucky in a open area where i could access it to recover. Broke top frame , motors , blades , battery and battery tray. bottom end was fine. I took the cover off and all electronics are intact ( i hope) just visual inspection. Let me know what some causes were to this accident.

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02-21-2014 05:32 AM  3 years agoPost 2
Tyler

rrElite Veteran

Chicagoland area

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My Blade 350QX can predictably be flown into a Spektrum lockout at certain flying fields. Flying the same model at many other sites does not result in lockouts. I mostly fly my Blade at other sites for this very reason.

We experienced the same results with other Spektrum models at the same troublesome flying site.

We found two solutions locally:

1. Fly Spektrum somewhere else.
2. Fly different radios at that particular location.

Your experience may not be a lockout, but my experience resulted in a non-responsive Blade 350QX multiple times.

Enjoy things that money can buy IF you don't lose the things money can't buy.

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02-22-2014 04:58 AM  3 years agoPost 3
wesleykeith2013

rrNovice

Clearwater, FL

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There was no problem hours 6 hours before i took the night flight. Very strange. Is there a way i can prevent this from happening again like dont fly so high? Wish blade has a altimeter to show how high it is and the range of reception

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02-22-2014 11:26 PM  3 years agoPost 4
Tyler

rrElite Veteran

Chicagoland area

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If you happen to be in noisy 2.4 environment and get far enough away you could experience radio lock out. Consider how many 2.4 devices are found at any given location in today's society: home networks, municipal networks, water tower wifi networks, business wifi routers, community wide wifi repeaters (we have towns here that offer free wifi to everyone in the community across the whole city), and every Tom, Dick, and Harry walking around with a wifi hotspot cell phone in their pocket. Saturation is growing.

Of course this could have nothing to do with your lockout. Just a possibility.

Enjoy things that money can buy IF you don't lose the things money can't buy.

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02-23-2014 12:08 AM  3 years agoPost 5
Cromer

rrApprentice

Germantown, NY

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A friend of mine had the same thing happen to his 350QX. After doing some research on the forums I am thinking that the wifi signal from his Gopro might have been the culprit but not entirely sure.

Phil

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02-23-2014 12:30 AM  3 years agoPost 6
JKos

rrProfessor

Redondo Beach, CA

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Excellent question to the OP, were you using a camera with WiFi?

- John

RR rules!

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02-23-2014 02:42 AM  3 years agoPost 7
wesleykeith2013

rrNovice

Clearwater, FL

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I was using my Phone as a camera , dont have any fancy camera right now ... cant afford a $400 camera. I believe my wifi was off on my phone might have been on. Normally turns off when im out of the apartment. This didnt happen to me earlier flights during the day. I just recharged the battery and sent the quad up for a night time flight. to see how to video quality is at night.

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02-23-2014 03:36 AM  3 years agoPost 8
surferguy

rrApprentice

Buxton, NC USA

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From my experience with DJI F550 you have to keep your phone away from it during initialization. They say it will mess with the GPS.

Could be the same for 350QX.

I wouldn't use a phone for videos any longer.

Trex 700 V3, TRex 500, Blade 130x, Blade Mcpx

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02-23-2014 03:41 AM  3 years agoPost 9
wesleykeith2013

rrNovice

Clearwater, FL

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yeah i learned that now. phone took a good beating. Atleast i got the video what i wanted for now. Ill fly without the cameras on board till i get use to quad more. thanks for the tips!

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02-23-2014 06:11 AM  3 years agoPost 10
surferguy

rrApprentice

Buxton, NC USA

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Your welcome Wes.

Just keep any cell phone away from your quad when you booting up especially. You can use a Gopro or other camera no prob.

Have fun!

Trex 700 V3, TRex 500, Blade 130x, Blade Mcpx

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02-24-2014 02:33 AM  3 years agoPost 11
wesleykeith2013

rrNovice

Clearwater, FL

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sounds great , ill keep that in mind

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03-08-2014 12:59 PM  3 years agoPost 12
1heliman

rrApprentice

us

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2.4 will not lose signal because of high traffic. It will be interfered with with wi-fi, that is for sure. The way to be sure to never lose 2.4 signal with all this 2.4 gear is to turn on the transmitter and WAIT! at least 15 seconds to be sure that the transmitter has located two open 2.4 channels to lock on to and "call its own" ONLY then turn on your receiver (in this case the 350qx). After that you will probably never experience a "brown-out" or lost connection. The problem I see at our local field is people who turn on the tx and within a second switch on the plane, heli, quad. This is when I see people having problems. They don't give the radio a second to settle in on open channels. Try what I suggest, and see how it works for you. As for the GPS and Go-pro. (or cell phone) I have experienced the same problem with my 350qx. When my go pro hero 3 silver camera is on and NOT recording all is good, no GPS loss at all. As soon as I hit the record button and the camera begins to "write" to the memory card......BAM lost GPS signal. I wrap my go pro in foil around the top, sides, (especially where the SD card inserts) and the back of the camera. I leave the front open. I have never lost GPS signal since doing this. I think the interference comes from the "noise" of the camera writing to the memory card. One last thing BE SURE your wi-fi is turned off in the go pro settings before flying. No amount of foil seems to stop it from GPS loss. But please give your TX some time to locate the channels it needs before switching on the unit you're flying. We are only talking about 15 seconds or so. It will solve a lot of these problems if we practice a little patience. If you're that impatient that you can't wait, try switching on the tx then do a safety check of the quad, props are tight no loose connections and so on, then turn on the quad.

-Bill

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03-08-2014 03:49 PM  3 years agoPost 13
Tyler

rrElite Veteran

Chicagoland area

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2.4 will not lose signal because of high traffic. It will be interfered with with wi-fi, that is for sure.
Your mileage may vary, and I beg to differ completely. Spektrum absolutely can and will lose 2.4 connections in high noise environments.

Spektrum dam-2 chooses two random channels to lock in. They may be two channels side by side or at differing ends of the spectrum range. These channels do not shift or hop. They are stationary. If those two channels get swamped, what does Spektrum do to maintain a signal? NOTHING. Game over. They don't have a way to transmit information where the 2.4 signal is not swamped.

Other systems shift and hop so the 2.4 data will make it through somewhere on the 2.4 band. The information may be fragmented, but there is typically enough data to maintain flight or land safely without totally losing control. Some systems can still fly with 90% of the 2.4 band saturated. Spektrum CANNOT.

If there is 2.4 transmitting from a wifi camera mounted ON the aircraft, the signal is stronger and closer than the r/c transmitter. That which transmits the loudest and strongest wins.

Enjoy things that money can buy IF you don't lose the things money can't buy.

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03-08-2014 05:15 PM  3 years agoPost 14
TMoore

rrMaster

Cookeville, TN

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2.4 will not lose signal because of high traffic.
Really? You're kidding right? Noise floor is a primary consideration for all 2.4 operation.

TM

Delayed Response Operator Not Engaged

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03-10-2014 05:14 PM  3 years agoPost 15
1heliman

rrApprentice

us

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Tmoore and Tyler, I am serious. They will not be stepped on because of high traffic in the 2.4 bandwidth. Do any of you fly at an airfield with several others on 2.4, all flying at the same time? Are you being hijacked by the signals they are locked on to, or the transmissions of their TX? NO is the answer, simply....NO. That is what I am referring to. Sure there are exceptions to every rule. But if you go through the steps I described before flying you won't have any issues to speak of. If you choose to snap on the TX, rip the quad in to the air in 1 or 2 seconds than yes, you are asking for it. I'm not setting a hard and fast rule here, just suggesting a routine to limit the risk.

-Bill

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03-11-2014 12:52 AM  3 years agoPost 16
TMoore

rrMaster

Cookeville, TN

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Tmoore and Tyler, I am serious. They will not be stepped on because of high traffic in the 2.4 bandwidth. Do any of you fly at an airfield with several others on 2.4, all flying at the same time? Are you being hijacked by the signals they are locked on to, or the transmissions of their TX? NO is the answer, simply....NO. That is what I am referring to. Sure there are exceptions to every rule. But if you go through the steps I described before flying you won't have any issues to speak of. If you choose to snap on the TX, rip the quad in to the air in 1 or 2 seconds than yes, you are asking for it. I'm not setting a hard and fast rule here, just suggesting a routine to limit the risk.
Keep on believing Brother, that's a very simplistic view. The noise floor is a big reason 2.4 can have issues. How well the manufacturers software is written to cope is key.

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03-11-2014 11:40 AM  3 years agoPost 17
1heliman

rrApprentice

us

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Tmoore,

So far I have had nothing but good luck with Spektrum and the higher end receivers 8000, 9010, 7210 and so on. I fly 2 helis and 2 quads with the higher end receivers. I have several planks that have the 4-6 channel rx in them. I live in a area where there is not much population. The closest city to me is Erie PA and it is almost an hour away. I have never experienced any stepping on or, flyaways or even a brown out. (indicated by blinking light on rx). Maybe I have the golden horseshoe. I have seen planes "lose" it at our field, BUT they have always been flown by the sort of "hobbiest" who always seems rushed, flicking on the tx and in the air one second later. I will keep believing and following the tx on. WAIT, then turn on rx. Good luck to you on your noisy floor. If I may be so bold what brand do you use?

-Bill

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03-11-2014 01:19 PM  3 years agoPost 18
Tyler

rrElite Veteran

Chicagoland area

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1heliman,

Your statements are generalizations written as fact when in reality you are only speaking from YOUR hobbyist experience.

We are happy that you live in a noiseless bubble and have perfect success. Maybe there is more to the hobbyist losing their models than you realize. Maybe not. Regardless, these systems are marketed towards modelers so they should be suitable no matte which modeler grabs the Tx.

Sometimes folks know a little more about these things than what the retail packaging tells us.

Stating opinion as fact can be dangerous to other readers who lack the discernment to filter opinion from fact.

Enjoy things that money can buy IF you don't lose the things money can't buy.

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03-11-2014 04:10 PM  3 years agoPost 19
1heliman

rrApprentice

us

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Well tyler here is one of your opinions stated as fact...."If you happen to be in noisy 2.4 environment and get far enough away you could experience radio lock out." Just like me you are in your generalizations. No fact here, only your opinion, We can agree to disagree due to no fact sheet Tyler. I still don't see the harm in my simple suggestion. Which I did clearly state as my experience only and a routine to help limit possible problems. I'm out! ..... back to my quiet bubble...

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03-11-2014 05:16 PM  3 years agoPost 20
Tyler

rrElite Veteran

Chicagoland area

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1heliman

Would you prefer be be corrected if you are mistaken? Is accurate knowledge valued?

What you claim as my opinion is in reality a scientifically proven fact. Just because I said "you may" does not change my statement from fact to opinion, but it does allow room for variables.

If you wish to discuss this topic in a mature and factual manner we will be here.

Of course we are all interested in helping others, but accurate information is essential.

Also experience in an isolated club field or private site is far different that experience at large scaled events like Joe Nall and IRCHA. Lab testing knowledge is valuable as well.

Enjoy things that money can buy IF you don't lose the things money can't buy.

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Helicopter
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Blade 350QX › 350QX lost signal high in sky result in Kill to get it back down =[
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