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Old Jan 28, 2008, 05:55 AM
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AnthonyRC's Avatar
Switzerland
Joined Sep 2004
1,143 Posts
Cool
FPV plane rescue with an FPV truck :-)

Lac de Joux Adventure (6 min 19 sec)


Some of you might get a kick out of this... was an interesting FPV session
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Old Jan 28, 2008, 06:47 AM
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biv2533's Avatar
Europe/Italy
Joined Jun 2007
166 Posts
Quote:
Originally Posted by AnthonyRC
Some of you might get a kick out of this... was an interesting FPV session

Very very nice video.

I'm also intersting to fly over a river or a little lake, but your video tell me to wait some time or or at least to make a lot of tests, before do it.
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Old Jan 28, 2008, 09:20 AM
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CrocEnd's Avatar
Darwin
Joined Aug 2002
683 Posts
Very differant Thank you.
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Old Jan 28, 2008, 09:35 AM
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FPVpilot's Avatar
Ridgeway, Co.
Joined Dec 2007
132 Posts
Very nice video and fun idea. You need to get GPS on the rescue Max so you can locate the downed aircraft
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Old Jan 28, 2008, 10:06 AM
Live FPV or Die
VRflyer's Avatar
Montreal,Canada
Joined Feb 2002
3,943 Posts
Nice video Anthony. It should very very cool to ride a car and slide over the ice. I aalso imagine my easystar with small skis at the wings tip, it should be cool too.
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Old Jan 28, 2008, 11:45 AM
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Crash9's Avatar
United States, MT, Missoula
Joined Mar 2006
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Very cool video Anthony, I see you got the new E-Maxx going FPV
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Old Jan 28, 2008, 11:55 AM
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AnthonyRC's Avatar
Switzerland
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Quote:
Originally Posted by Crash9
Very cool video Anthony, I see you got the new E-Maxx going FPV
Thanks for all the comments guys. Yes, Crash9, the thing is a BEAST!, very happy with it.

Driving this thing with goggles on is exhilerating, didn't expect to be doing one of the first test runs on ice, but hey, why not

I figured that a new distance target would be interesting, the frozen lake is 10km long, an AeroLink on the truck would handle the 'uplink', and a yagi pointed down the lake should handle the downlink. Slap on the OSD, and a bunched of paralleled up LiPos, and this could start to get interesting.
Just need to find some studded tires for the beast, anyone know where to find them?
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Old Jan 28, 2008, 02:23 PM
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United States, TX, Kingsland
Joined Sep 2005
4,825 Posts
You might want to try a 10 to 20 mm cube of soft foam tied to a 4 meter length of heavy string and towed behind your truck. When you get to the plane, drive around it until the cord wraps around the plane, and then tow the tangled plane back to shore. We use a similar method to retreive downed float planes in the water. We use an electric boat towing a length of string with a rubber ball on the end.

Mike McD
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Old Jan 28, 2008, 03:07 PM
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Daemon's Avatar
Lakewood, Colorado
Joined Aug 2002
27,684 Posts
A push bar mounted 20-30cm out in front of the bumper and about twice
as wide as the truck, down low, right at ice level, would have made
the truck rescue pretty easy. Could fashion one up out of 3 sticks,
and mount it to the truck with tape, in no time.

ian
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Old Jan 28, 2008, 03:48 PM
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AnthonyRC's Avatar
Switzerland
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Quote:
Originally Posted by Daemon
A push bar mounted 20-30cm out in front of the bumper and about twice
as wide as the truck, down low, right at ice level, would have made
the truck rescue pretty easy. Could fashion one up out of 3 sticks,
and mount it to the truck with tape, in no time.

ian
Thanks for the suggestions... the real problem wasn't explained very well in the video (didn't want to go into detail), but here it is.
Once cell of the three in the plane's LiPo died, that is why the voltage dropped the way it did. Because of this however the other two were keeping the video Tx powered.
When I approached with the truck, and got to within a few feet of the plane, I had two effects.
1) The plane's Tx interfered with the Truck's Tx, and caused terrible reception, Enough to make me nervous about staying too close
2) The two transmitters were on different frequencies, 36MHz apart. When these are in close proximity many 'intermodulation products' are created, at various frequencies, one of them being 36MHz, Since each Tx is frequency modulated by 5MHz or so, this means that there was energy in the 27MHz band... which was being used to control to truck, so the truck was barely controllable.

To cut a long story short, the uplink sucked, and so did the downlink.
One possibility would be to wait 1 hr. for the Plane's LiPo to die, while hoping that the truck's main pack/video pack didn't die first.
Another possibility was.... HEEEELLLP!

The latter was chosen :-)
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Old Jan 28, 2008, 04:02 PM
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Keith43221's Avatar
Columbus, Ohio, United States
Joined Mar 2004
2,473 Posts
Very awesome video! Glad everything made it back okay!
Just found your website, and it looks like you might be getting an order from me in a few months for a project I'm working on.
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Old Jan 28, 2008, 07:44 PM
Never fast enough...
Reman's Avatar
San Diego, CA
Joined Oct 2006
660 Posts
Awesome, I was gonna say just tape an ice pick to the truck and stab the easy star and bring it home...but if you were having intermodulation problems that wouldnt have worked...

cool vid!
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Old Jan 28, 2008, 08:57 PM
Live FPV or Die
VRflyer's Avatar
Montreal,Canada
Joined Feb 2002
3,943 Posts
Quote:
Originally Posted by Reman
Awesome, I was gonna say just tape an ice pick to the truck and stab the easy star and bring it home...
Exactly what I think, I would suggest to take speed and hit the nose, so you will kill your battery...
Fire Fire Fire
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Old Jan 28, 2008, 09:31 PM
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United States, CA, San Diego
Joined Jan 2005
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Or simply get a big 3 prong fish hook and some string.
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Old Jan 29, 2008, 10:04 AM
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skunkworks2006's Avatar
Michigan
Joined Nov 2006
2,712 Posts
Maybe some sort of rocket propelled tractor net. This way you could stay far enough away to avoid interference.
Seriously though, cool video, and nice choice of music.
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