Gripen Madness From Above!! ✈️ Freewing JAS-39 Filmed by DJI FPV
34What a blast of a video! Here's Tuckie at his best yet again, capturing some crazy close-up shots of my Gripen in flight with his DJI FPV quadcopter drone with a custom Sundowners livery (appropriate indeed, lol) while I'm flying my usual post-stall maneuvers, both with and without wingtip smoke to add some further dramatism! :D
This video has been a long time in coming, most footage is about a year old now, but my editing queue knows no end and these types of videos take extra time and effort to pull so hope you really enjoy and appreciate them because I don't get a dime out of it (donations are appreciated!) :)
The Gripen is one of the coolest jets to make air to air videos with, since it can fly really slow and stable in high alpha, which really helps in achieving better formation flights.
My JAS-39 features an upgraded 8S 80mm Jetfan EDF with a 1865kv HET motor. I had to cover the cheater hole with a mosquito net to protect my expensive investment from an otherwise inevitable FOD considering the conditions of my gravel-dirt runway so the jet isn't even displaying it's full thrust potential. This obviously has an effect on performance and current draw. Sadly this setup is too amp hungry and can only get two and a half to three minute flights with throttle management and 3-4Ah packs. The batteries also struggle to deliver the amps. Overall the Jetfan is indeed an improvement in performance over stock setup, but the short resulting flight time kinda defeats the purpose, need to go to higher capacity batteries, and using lower-C packs to keep the weight in check.
Here's another great FPV video of the Gripen in case you want to see more! Hehehe...
https://www.youtube.com/watch?v=tEI0YC8sSIU
These were flights 66th, 69th, 75th to 77th and 91st on 'Jana'.
JAS-39 Pilot: RC4ever
DJI FPV pilot: Ernest Tuckie
Ground video: Luis Ibáñez
Airfield: Club Els Cards
Music: Iron Maiden
Check out Tuckie's YT channels here!
https://www.youtube.com/user/TUCKIE10
https://www.youtube.com/user/TUCKIE100
https://www.youtube.com/user/TUCKIE1000
SPECS (Reflecting my setup):
Model Scale: 1/9th
Wingspan: 882mm
Length: 1613mm
Weight: 2350g (w/o batteries)
TOW: 3400g
CG: 30-40mm aft of factory recommended position (molded into the wings)
Material: EPO
Motor: HET-1865kv inrunner motor
EDF: 9-blade 80mm Jetfan
ESC: Freewing/Hobbywing Flyfun 150A 8S
Servos: All stock servos, 9g hybrid digital
Landing Gear: Electronic retractable w/ aluminum trailing link struts
Receiver: FrSky X8R
Canards gyro: GWS PG-03 (added as a mod)
Elevons + rudder + TV yaw gyro: HobbyEagle A3S3
Separate UBEC: Freewing 8A (added as a mod)
Receiver battery: Rhino 2S 610mAh (added as a mod)
Main battery pack:
- HRB 2x 4S 4200mAh 60C
- Turnigy Nanotech 2x 4S 3300mAh 70C
More setup details:
https://www.rcgroups.com/forums/showpost.php?p=46318505&postcount=2099
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