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Author Topic: FPV Easy Glider  (Read 12023 times)

Offline ak

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FPV Easy Glider
« on: January 11, 2011, 05:41:48 PM »
Vec duze vreme se polako pripremam za ovaj korak, a poslednjih par lepih dana pre zime su pali i prvi letovi na savskom nasipu sa kojih na zalost nemam snimak.

Radi se o FPV "nadogradnji" na Easy Glider Pro-a. Kazem nadogradnji zato sto EG inicijalno nije sklapan sa FPV-om na umu pa je deo kabliranja eksterni.




Ukratko:
RC: Futaba 9C super, 35mhz
Goggles: HeadPlay (jedine sa 800x600 rezolucijom iako je video prenos manji, za sada)
Video TX: , stock omni whip antenna
Kamera: kx-181h, PAL, 1/3" SONY CCD, 520tvl sa 2.8mm i 3.6mm sirokougaonim socivima
Pan&Tilt: hxt900 servoi, s tim sto je pan servo modifikovan kako bi imao kretnje do 180 stepeni, a kontrolise se slider-ima na levoj i desnoj strani stanice.
OSD:
  • RMILEC 10$ , prost OSD sa prikazom napona do dve baterije. Vise nego dovoljno za blize letove, jednostavan za povezivanje i bez suvisnih informacija na ekranu.
  • Eagle Tree Pro sa 10hz GPS modulom kao sledeci korak za malo dalje letove, i neophodan je za antenna tracking (vec na putu), a ima i zgodnu RTH (return to home) funkciju koja u slucaju gubitka RC signala vraca model nazad na pocetnu lokaciju.
Bazna stanica:
  • Video RX, stock omni whip i 8dbi patch antena
  • Eagle Eyes - video splitter, receiver diversity i antenna tracker (na putu)
  • Aiptek Pocket DV 6800 camcorder za snimanje i kao bekap screen ili za “saputnika”

RC na 35mhz je namerno odabran zato sto sadasnje 2.4ghz stanice (Futaba,Spektrum...) imaju znatno manji domet, nize frekvencije bolje “zaobilaze” prepreke i manje su osetljive na gubitak LOS,  video generise smetnje na 2.4ghz i prekidi su iznenadni te bez rssi monitora mogucnost gubitka modela je mnogo veca.

Predajnik na EG-u je postavljen na rep zbog moguceg uticaja na rc prijemnik a i zbog balansiranja. Video signal, audio signal i napajanje video predajnika prolazi kroz oklopljen usb kabl do repa. Dodatno je postavljen i low pass filter kako bi se smanjile smetnje na rc prijemnik i GPS.

Sve na modelu se napaja sa jedne LiPo 3s1p (11.1V) baterije a da bi izbegao smetnje koje generise kontroler, napajanje kamere, video predajnika i OSD-a prolazi kroz prost LC filter.

U planu je antenna tracker i/ili jos jedan prijemnik (diversity) pa bi kombinacija bila jedna omni antena za dobar signal kod blizih letova i sletanja i jedna patch (mozda i yagi) antena za dalje letove.

Iako Eagle Tree Pro OSD ima vario, on radi sa GPS-om i prilicno je neprecizan pa je jedan od sledecih koraka i L1D vario i neka malo ozbiljnija jedrilica. Do tada ...
« Last Edit: November 19, 2011, 12:48:09 PM by GILE »
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Offline vpanin

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Re: FPV Easy Glider
« Reply #1 on: January 11, 2011, 11:11:01 PM »
Ih, bash mi se ima oakva tica.
Misim da bi overio od prvog leta.Definitivno mislim da cu ovo uskoro da probam da napravim.Iako su mi svi modeli do sad radili na struju, materiju ne poznajem dovoljno da probam da odradim sve ovo..
Next Year, this time Rodney......
Svaka chast, odlichno je, cepa me zavist....
« Last Edit: November 19, 2011, 12:43:23 PM by GILE »
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Offline ak

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Re: FPV Easy Glider
« Reply #2 on: February 16, 2011, 10:03:07 AM »
Eagle Tree produkta nema nigde ni za leka. Vec vise od 2 meseca mi ceka porudzbina tako da sam na kraju odustao od njih.
Svi ovi OSD-i su prilicno nefleksibilni sa proprietary protokolima i resenjima pa se na kraju razmisljam o malo feksibilnijoj platformi. Videcemo ...
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Offline Schwab

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Re: FPV Easy Glider
« Reply #3 on: February 16, 2011, 10:23:25 AM »
Super super super  ()-()
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For the first time I was flying by Jet propulsion!No engine vibrations.No torque and no lashing sound of the engine propeller.Accompanied by a whistling sound, my jet shot through the air. Later when asked what it felt like, I said, "It was as though angels were pushing". 'Adolf Galland-ME262 ace'

Offline ak

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Re: FPV Easy Glider
« Reply #4 on: March 15, 2011, 09:14:45 AM »
Otvaranje sezone, 12.3.2011, aerodrom 13. Maj  ()-()


« Last Edit: March 15, 2011, 10:29:41 AM by ak »
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Offline vpanin

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Re: FPV Easy Glider
« Reply #5 on: March 15, 2011, 11:56:26 AM »
Extra...
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Offline Schwab

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Re: FPV Easy Glider
« Reply #6 on: March 15, 2011, 12:01:21 PM »
Izgleda super  :)aplauz :)aplauz
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For the first time I was flying by Jet propulsion!No engine vibrations.No torque and no lashing sound of the engine propeller.Accompanied by a whistling sound, my jet shot through the air. Later when asked what it felt like, I said, "It was as though angels were pushing". 'Adolf Galland-ME262 ace'

Offline ak

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Re: FPV Easy Glider
« Reply #7 on: March 25, 2011, 09:45:57 AM »
Pojavio se jeftin OSD na HK-u koji prikazuje vreme leta i napon na do dve baterije, slicno RMILEC verziji, pa koga zanima ...
http://www.hobbyking.com/UNITEDHOBBIES/store/uh_viewitem.asp?idproduct=16662&aff=228650
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Offline ak

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Re: FPV Easy Glider
« Reply #8 on: March 26, 2011, 08:30:39 PM »
Vetar je danas do 14:00 bio previse jak, ali sam ipak morao da testiram OSD.
Prilaz ostruznickom mostu ...
Ko bi rekao da EG moze preko 100 km/h :)



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Offline ak

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Re: FPV Easy Glider
« Reply #9 on: April 26, 2011, 09:32:25 AM »
Napokon je stigla jos jedna komponenta, Eagle Tree - Eagle Eyes. Za sada ce da posluzi kao video splitter, izvor na 5V, alarm niskog napona a kasnije i kao video diversity za jos jedan prijemnik.
Ideja je za sada jedan prijemnik sa patch/yagi antenom a drugi omni, ili dve patch antene razlicite polarizacije.
U ground station je dodat i RCA-TO-VGA konverter sto je definitivno poboljsalo kvalitet slike.
Sad jos samo ovaj vetar malo da batali ...
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Offline Schwab

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Re: FPV Easy Glider
« Reply #10 on: April 26, 2011, 11:00:28 AM »
Svaka cast majstore  :)aplauz
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For the first time I was flying by Jet propulsion!No engine vibrations.No torque and no lashing sound of the engine propeller.Accompanied by a whistling sound, my jet shot through the air. Later when asked what it felt like, I said, "It was as though angels were pushing". 'Adolf Galland-ME262 ace'

Offline Savke89

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Re: FPV Easy Glider
« Reply #11 on: May 29, 2011, 09:06:14 PM »
lepa letilica mislim na glidera,ja sam izgubio poklopac kabine,to cu resiti ali one plastike koje zabravljuju pklopc su, ?
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Offline ak

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Re: FPV Easy Glider
« Reply #12 on: May 29, 2011, 09:55:25 PM »
Quote from: Savke89 on May 29, 2011, 09:06:14 PM
lepa letilica mislim na glidera,ja sam izgubio poklopac kabine,to cu resiti ali one plastike koje zabravljuju pklopc su, ?
Ako sam te dobro razumeo, umesto njih mozes cicak traku da zalepis na nos i/ili magnete retke zemlje.
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Offline Savke89

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Re: FPV Easy Glider
« Reply #13 on: May 29, 2011, 11:59:06 PM »
e  hvala dbro si me podsetio za mgnete,a js nesto razbio sam i izi star zbog kristala pa i njemu treba ist to.
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Offline bimmer

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Re: FPV Easy Glider
« Reply #14 on: May 30, 2011, 12:07:13 AM »
Savke brate, promijeni tastaturu :big smile ;namig
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