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HelicopterAerial Photography and Video › trex 450 w/ap2000i
01-22-2007 07:45 PM  10 years agoPost 1
flyhigh

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USA

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[size=large]Hope to have a camera on it soon and have fun with it.

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01-23-2007 12:32 AM  10 years agoPost 2
Autoeject

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Ashtabula, OH, USA

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Nice, clean install

Mark Webber
wai-rc.com
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Outrage Helicopters

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01-23-2007 05:29 AM  10 years agoPost 3
BigguyOz

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Forster, New South Wales, Australia

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Cleaner than mine, that's for sure!

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01-23-2007 07:46 AM  10 years agoPost 4
BigguyOz

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Forster, New South Wales, Australia

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That is a bad angle (That's my excuse anyway)

This photo from the rear is a little more logical, but on such a small heli, it is hard to hide (sorry ) connections for:-
GY240 Gyro
4 servos (flying)
2 servos (tilt & shutter)
2S 300mAh LiPo to power AP cameras
DE voltage regulator (replacing camera batteries)
Safety wrist strap for camera
Power wires for downlink camera
AP 2000i
FMA sensor (18" cable is the shortest they supply)
Lipo alarm/strobe (6 LEDs around the heli, pointing down at the pilot)
Medusa BEC
10 channel Synthesising PCM receiver

I have thought about shortening the wires, but as I plan to upgrade to a Logo 10, I prefer to wait.

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01-23-2007 11:39 AM  10 years agoPost 5
Autoeject

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Ashtabula, OH, USA

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What worries me is that antenna wire. Is that a push-in connector? Can it come apart in flight? If so, I hope you've got the failsafe set up to put some gain in the AP2000i. Then you might be lucky enough to have it get close enough to you that it'll be upright when/IF you get signal back.

Mark Webber
wai-rc.com
Spartan RC Distributor
Outrage Helicopters

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01-23-2007 11:52 AM  10 years agoPost 6
KarbonBird

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Australia

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Cleaner than mine, that's for sure
Bigozguy - what downlink set are you using?

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01-23-2007 12:59 PM  10 years agoPost 7
BigguyOz

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Forster, New South Wales, Australia

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Mark, that is no "push-in wire" antenna. The micro antenna is soldered to the Rx antenna, and held straight with a very weak rubber band attached to the bottom of the tail fin.

The large connector is just for the downlink pinhole camera and is not critical to flight operation. I have deliberately left the wires to the camera and downlink long to allow unfettered tilt without stressing the wires.

Mark, you raise an interesting issue regarding failsafe conditions. At present I have my radio failsafe set to hold last position on all channels except throttle, which is cut. As there is no specific mention to the contrary in the AP2000i manual, can I assume that the level of gain will remain unchanged in the event of communication failure, so that the AP2000i will maintain levelling on the way down?

Karbonbird, the downlink is a cheap 2.4Ghz set I bought on eBay in Australia for the equivalent of $US35. I also bought another set from http://www.chinavasion.com, but the camera has a metal body and weighed too much for the heli. That one serves duty on my AP mast.

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01-23-2007 05:25 PM  10 years agoPost 8
Autoeject

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Ashtabula, OH, USA

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Mark, you raise an interesting issue regarding failsafe conditions. At present I have my radio failsafe set to hold last position on all channels except throttle, which is cut
I have mine set to return to neutral and put the AP2000i gain at 60%. If the last known servo inputs were in a turn for instance, the AP2000i would not be capable of returning to hover as it is seeing a commanded input. It needs to see a return to center. Good on the throttle cut. Leaving the engine/motor running could be very dangerous as the heli could potentially fly a very long distance if there were much wind to cause a drift.

Good about the antenna...was hard to tell in the pic

Mark Webber
wai-rc.com
Spartan RC Distributor
Outrage Helicopters

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01-23-2007 06:27 PM  10 years agoPost 9
kookboy

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Vancouver, BC

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BigguyOz

Is that an Askman mount or did you make it yourself ?

... But honey it was only $$$

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01-23-2007 07:08 PM  10 years agoPost 10
flyhigh

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USA

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Thanks, still thinking if I need a camera mount or just strap the camera (Sony DSC-S600) on front of the heli.

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01-23-2007 09:45 PM  10 years agoPost 11
BigguyOz

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Forster, New South Wales, Australia

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Mark, thanks, I will set up the failsafe accordingly. Makes a lot of sense.
Kookboy, yup, that is the terrific Askman AP mount. Well worth it

Flyhigh, hanging a camera out front on such a small heli is going to make it very hard to balance without hanging a lot of stuff out on the boom. That camera weighs 6 oz with 2AA batteries, so as a minimum, you will have to remove the batteries and provide power another way. I power my camera with a Dimension Engineering adjustable voltage regulator and a tiny Kokam 2S 300mAh LiPo, which saved me a bit over 1 oz. BUT everything is directly under the mainshaft and the heli balances beautifully.

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01-23-2007 10:24 PM  10 years agoPost 12
Paul99

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Cleaner than mine, that's for sure!

I would never fly with such a Lipo Pack if the red one up front is used to power the heli (with so much $ at stake)! Seems pretty dented.
I had one slightly dented and it finally vented whilst flying - result was sudden loss of power, and a rough landing (Luckily no camera that time).

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01-23-2007 11:14 PM  10 years agoPost 13
flyhigh

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USA

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Just testing if it would work. The battery underneath the heli balanced out the cg. Flys ok, the tilt on the camera would be manual.

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01-23-2007 11:23 PM  10 years agoPost 14
BigguyOz

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Forster, New South Wales, Australia

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Paul, the wrinkles are cosmetic and are more than six months old. I had a very close look at it after the incident. Thanks for the warning though.

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