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Old Aug 24, 2006, 10:33 PM
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Cool
Easystar set up for FPV / Video Groundstation

I've used the Easystar platform before with a cheap CVS camcorder to record videos, and had great success. You can see some of the videos I made last fall
HERE.
I knew if I ever graduated to FPV with a downlink it was going to be the airframe I started with. Seeing VRFlyer's work just re-enforced to me what a good platform it really is.
I was fortunate enough to get in on a great deal on some 640x480 goggles with an integrated headtracker that sends your head movements to the pan/tilt servos, and finally got everything else I needed rounded up. I went with a set-up from Black Widow, and I'm really happy with the quality of the components.
My new Easystar is powered by an AXI 2208/26 with a 7x5 APC prop trimmed down to 6", and a 3S2000 lipo. The camera/TX has a dedicated 2S800 lipo. Knowing I would have alot of weight up front, I chose to semi-permanently install the speed control and receiver in the aft compartments. This also maximized the distance between the video and radio gear, and left me with plenty of space for the pan/tilt servos and the batteries.
I saved about 90 grams so far over the last Easystar by using a lighter lipo and ditching the full size Futaba RX for a tiny new Berg 7 channel model. Hopefully the total weight gain will be minimal.
If all goes well, I hope to do the maiden flight this weekend!





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Old Aug 24, 2006, 11:29 PM
I AP'd myself again......
aviatordave's Avatar
Yawn....Iowa
Joined Mar 2005
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nice and clean set up. I'll be looking for your vid this weekend.....hopefully mother nature takes care of ya. So whats the scoop on the glasses?
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Old Aug 25, 2006, 01:56 AM
MX
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Grass Valley, CA
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What goggles and headtracker did you get? That's exactly what I'm looking for.

MX
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Old Aug 25, 2006, 09:33 AM
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Quote:
What goggles and headtracker did you get? That's exactly what I'm looking for.
MX, you can read about the genesis of the device HERE. The development really gets cooking around page 3...

Kilrah is the one who designed and built the system. He now sells the tracker individualy, or integrated into the googles









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Old Aug 25, 2006, 10:22 AM
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i found that the best kinda outrunner to use is the tower pro on a 7*5 prop and its balistic
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Old Aug 25, 2006, 10:23 AM
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I just finished taking some more pictures of my set-up, and here's a video of the headtracker in operation.

click here for demo

Here's my ground station. I used a 5.6 LCD that was originally intended for a Sony Playstation as a secondary display. Also inside is the Black Widow RX, a 1 to 4 video splitter, and the patch antenna mounted to the lid. I wired the panel with individual switches to control everything, and it has the ability to power the video goggles as well. I plan on using an Aiptek MPVR to record the downlinked video.







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Old Aug 25, 2006, 11:34 AM
Your attitude is your alt
Gary Morris's Avatar
Nashville Metro, Tennesse, United States
Joined Aug 2001
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Wow Rob that's just too cool!! Tell me how much do you have invested in your system not counting the EZ Star? After seeing your EZ with the CVS Cam, I put one on my EZ and had a lot of fun with it but as you know the quality is not the best. I look forward to seeing the videos you'll be making they should really be interesting. You will have the ability to fly like a bird, looking around as you fly it will be a very unique experience!!

Gary
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Old Aug 25, 2006, 12:35 PM
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Edmonton, Alberta, Canada
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Wow...$420 for the head tracker...Man thats a bit pricey. how much did you end up paying for the set of the head tracker and video glasses?
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Old Aug 25, 2006, 12:52 PM
MX
Embedded Systems Engineer
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Grass Valley, CA
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The head tracker requires a particular model of transmitter and buddy box input, which I don't have. Are there other solutions for getting external inputs into a transmitter's output? I've got a spare 3-ch tx which I want to use with a separate rx.

MX
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Old Aug 25, 2006, 02:52 PM
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I had to spend about $1K to add live video with the display and the headtracker to my bag of tricks. This includes the complete RX/TX/Camera system from BW. The googles I have are exactly the same as THESE



I had the opportunity to get mine with the integrated sensor from Kilrah for the same price.
You can see the RC-Tech website HERE
Without a doubt this was the most expensive component of the system, but it's also that magic piece of the puzzle that makes it all come together.
MX, I don't know what your options would be in that case. You would have to see if you could get at the PPM stream and send the headtracker output to it.
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Old Aug 25, 2006, 04:51 PM
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Is there an english version of that site?
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Old Aug 25, 2006, 05:33 PM
Its all fun
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Australia, NSW, Forster
Joined Oct 2004
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I am looking forward to a video of your FPV flight using the head tracker, as I worry that you might have trouble with orientation if your vision won't actually directly show the direction you are flying. Do you use a ground spotter as well?
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Old Aug 25, 2006, 11:12 PM
Live FPV or Die
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Montreal,Canada
Joined Feb 2002
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Quote:
Originally Posted by Tonystott
I am looking forward to a video of your FPV flight using the head tracker, as I worry that you might have trouble with orientation if your vision won't actually directly show the direction you are flying. Do you use a ground spotter as well?
I use the Gyrocontrol for two month now, and see no problem. The movement of the cam follow the movement of my head without any delay.
You can see video of it here:
http://video.google.com/videoplay?do...9215&q=bromont
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Old Aug 26, 2006, 01:32 AM
I AP'd myself again......
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Yawn....Iowa
Joined Mar 2005
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VRflyer,

one of the coolest things to see. thanks for sharing!

(and thanks for translating to english!) very neat setup

Dave
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Old Aug 26, 2006, 07:59 PM
Live FPV or Die
VRflyer's Avatar
Montreal,Canada
Joined Feb 2002
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Quote:
Originally Posted by aviatordave
VRflyer,

one of the coolest things to see. thanks for sharing!

(and thanks for translating to english!) very neat setup

Dave
Thanks, I will advise you when I will made others videos
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