|Nov 21, 2011, 09:40 PM|
Going to convert my P71 Police Cruiser into a mobile FPV station
Goals are medium range LOS flights. There isn't much around LA that I could park with LOS especially up in the hills and malibu canyons.
VC-20-450 Quadcopter 12:50 minute flight time
2x RSSI equipped 1.2ghz receivers
T905 Transmitter 900 MHz 500 mW 1.2ghz
Easy Diversity system
3.6mm 690TVL Ultra WDR Pixim SEAWOLF HD Cam
1.2 GHz - 1.3 GHz low pass filter
1000w DC 12v to AC Converter
DC 10a Thunder Power Charger
I've been thinking about wiring up my Police Interceptor P71 so I can use it as a mobile FPV station. Its got 2 antenna holes on the roof. 1 is 1" the other 3/4" the trunk has 2 3/4" holes.
It'd be great to launch the Quad from roof, and use all the roof antenna and one of the trunk antennas with a extension cable and tripod the roof. Got my Headplay goggles as a viewing option, netbook recording and fullscreen as a backup. Never thought about it but I could just use the 12v as is for most things!
I have aux in on the car stereo so that handles audio and could pick up a secondary video option. My netbook will be handling the recording duties from the diversity system. I have an aluminum briefcase that will include all the FPV hardware while I fly from the drivers seat while parked. Passenger can sit with the brief case or on the center console. I'd like the system to be removable so I can take the briefcase inside or to different locations and just disconnect the antennas.
I could even get the laptop holder the police use.
Could be a really cool lowkey flying location. I don't like the idea of FPV around East LA. The odds of getting jacked while engaged in goggles is a bit too tempting to people. I've done it once and was approached, there was nothing I could do but fly home first. No good.
So I could run a power strip along the top or bottom of the briefcase, or use the 12v from the car itself.
Any input would be appreciated.
|Nov 21, 2011, 09:56 PM|
You need to use circular polarization with the Easy diversity or it will do the exact opposite of what you intend it to do. Everybody who I have talked to says it doesn't work. mine works fine so long as I use a CP antenna set.
|Nov 22, 2011, 03:07 AM|
I could do a flipdown fur sure. Just have to find one that won't bluescreen during interference
|Nov 22, 2011, 03:08 AM|
Whats a 1.2ghz CP antenna diameter. I think they're like 6"
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