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03-11-2014 09:56 PM
bcsaltchucker
Re: Usefulness of FPV for finding lost RC aircraft?

Quote:
Originally Posted by Max View Post
I used my FPV quad to help a several guys find their planes over the last 2 years.

Once I find it, I hover over the spot while the search party sets out for it. All they have to do is "walk towards the quad"

Here is a video of one of the rescues I made. In this case it was pretty close to the field, but the grass was so tall the poor guy was walking in circles trying to find it before he gave up and asked me to look for it with my quad

+ YouTube Video
ERROR: If you can see this, then YouTube is down or you don't have Flash installed.
that is very impressive plane SaR Max!

But this does not show the low res videolink you are seeing when you are flying and searching!

Around here the other Rc pilots don't really lose the plane. The field is chunky rocks and stuff, mostly barren. Ringed by tall trees. All the fly aways end in the first row of trees. Just have to wait a month or 3 for the winds to come up and blow them out.
03-11-2014 07:44 PM
uberjay
Re: Usefulness of FPV for finding lost RC aircraft?

Quote:
Originally Posted by Max View Post
...He SWORE he saw it go down "right there" in the next field, but we found it 2 fields over. Its funny how perspective is thrown off even when you "Watch" the plane go down!
And how much worse it is when you don't see where the plane goes - like in my case

Thanks... I think I'll be looking around in Toledo in April for some FPV stuff. . I have the parts to make a basic quad (KK2.0, wood and/or carbon stock sitting around, motors, etc.).

Do you have a favourite / recommended FPV setup? [if that's an answer that's already buried in this forum feel free to tell me to RTFM I know it's a noob question... and I am at least starting to get more serious about my reading on the topic. ]

Thanks
J

PS-Ever make it down to London? I'd buy you lunch and your favourite drink for a rescue mission Heh, heh. Though, with the snow storm tomorrow it might be a lost cause until spring actually shows up.
03-11-2014 07:25 PM
Max
Re: Usefulness of FPV for finding lost RC aircraft?

You can do this with just about any quad over 350 size.

Once you have the quad flying, all you need is an FPV transmitter and receiver, an FPV camera and a viewing screen. In other words, your basic FPV setup.

You don even need to have a quad with fantastic FPV range to do it. By having a portable FPV setup and hiking to a certain location and then searching around that particular spot, you can search large areas from several launch points.

In one rescue I made, my bud was flying LOS and had his plane go down in the next field. After he gave up searching, I had a go. We hiked up to the next field and I set up my quad. Because of the tall grass, he had to hand launch it for me (He held it over his head while I powered up, and he let go..)
After I flew 2 batts over that field with no luck, we hiked out to the next field, where we repeated the search. Sure enough, there it was. He SWORE he saw it go down "right there" in the next field, but we found it 2 fields over. Its funny how perspective is thrown off even when you "Watch" the plane go down!
03-11-2014 07:14 PM
uberjay
Re: Usefulness of FPV for finding lost RC aircraft?

Quote:
Originally Posted by Max View Post
I used my FPV quad to help a several guys find their planes over the last 2 years.

Once I find it, I hover over the spot while the search party sets out for it. All they have to do is "walk towards the quad"

Here is a video of one of the rescues I made.
...
Thanks Max, that's exactly the video I was recalling seeing before. Do you have the specs for your quad somewhere? Thread here on RCG or maybe a quick post here? I know one could go buy a Blade quad with gimbal and a GoPro, etc. I'd like to see what could be built by hand though... if possible.

Thanks!
J
03-11-2014 07:11 PM
uberjay
Re: Usefulness of FPV for finding lost RC aircraft?

Okay, here's a Cadillac version:

Quote:
iCare Tracker from Optimal Tracking.
http://www.optimaltracking.com/en/gps-modelisme/
Read a quick write-up of a guy that bought both the beacon only UHF style and the GPS+beacon one above.

http://www.rcgroups.com/forums/showp...postcount=7351

The beacon ones are cheap and work long range, but take brain power to do the locating. I think this iCare solution makes it much easier. Cool... but expensive.

Cheers,
J
03-11-2014 07:10 PM
Max
Re: Usefulness of FPV for finding lost RC aircraft?

I used my FPV quad to help a several guys find their planes over the last 2 years.

Once I find it, I hover over the spot while the search party sets out for it. All they have to do is "walk towards the quad"

Here is a video of one of the rescues I made. In this case it was pretty close to the field, but the grass was so tall the poor guy was walking in circles trying to find it before he gave up and asked me to look for it with my quad

+ YouTube Video
ERROR: If you can see this, then YouTube is down or you don't have Flash installed.
03-11-2014 06:41 PM
uberjay
Re: Usefulness of FPV for finding lost RC aircraft?

Here's one that seems like it might be a good idea (ie. long range UHF and small form factor):

http://fmtv.us/rf_beacon.html

It's ~ $50 USD and requires a cheap UHF device (~ $5 to $30'ish US) for 'finding'.

Anyone have any experience with this or other ones?

Thoughts?
J
03-11-2014 05:38 PM
uberjay
Re: Usefulness of FPV for finding lost RC aircraft?

Cool ideas, thanks Scott.

Keep the ideas flowing ... I just spent another 2 hours combing the bush near our field with no luck . Either it truly was a fly-away or maybe those snowmobilers in the other field found a present from heaven?

I'm going to consider the prevention thing going forward - especially when the corn goes up!

Cheers,
J
03-11-2014 03:46 PM
bcsaltchucker
Re: Usefulness of FPV for finding lost RC aircraft?

also have to keep in mind - the videolink will be not very useful at all for finding downed craft. We can barely make out people on the ground. What some guys have done is overflown the area in a sort of grid pattern. Have a Gopro or Mobius recording of the ground. Then go back home and review the video. Then post the video online if the downed plane is not seen - online forum guys can then collectively scan the video for you and see things you missed.

other option is prevention
- tracker of various types. GSM, or RF, even the new Tile for smart phone tracking over short distances http://www.thetileapp.com/
- some UHF RC Radio systems have this tracking capability
- run a FPV system on the plane, with on screen display of telemetry. Record the video downlink on a DVR on the ground station. Then you can review the video afterwards to get the coords. This is the 2nd most common way of locating downed FPV craft
- use a directional antenna on your FPV receiver tp directionally locate the downed FPV aircraft - this is the most common way to locate downed FPV aircraft
03-11-2014 11:53 AM
uberjay
Re: Usefulness of FPV for finding lost RC aircraft?

@buffythesaint:

Thanks.... yeah, this is actually not an FPV downed, but a LOS plane. As mentioned, I was flying nearby and lost vision and then couldn't reacquire LOS. Trying to save my legs and time by doing the search by air .

I think a quad would be nice from a scanning perspective, slow, and hoverable. Only question is - in windy conditions would it be as suitable? Guess it'd be down to mass of the quad/multi.

Thanks,
J
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