NEAR DISASTER ! What happened to this RC Dakota ?
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- čas přidán 5. 05. 2024
- NEAR DISASTER ! What happened to this RC Dakota ?
I'm thinking that one of the engines nearly stopped and caused a violent unexpected yaw. The pilot pulled off an amazing recovery and obviously decided to land. Great save !
#rc #radiocontrol #essentialrc
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Decked out in D-day markings. Nice model!
Classic Dak tip stall, been there done that!. Needs to keep the speed up and the AOA down.
AOA will only change (in level flight) if CG is correct. Wing NEVER got up on step (think of surfing) and it won’t unless balance is corrected
@@jetartessales that's not a CG problem, that's poor flying of a Dak working the elevator too much, and not help by over doing it on the ailerons when you should be working the throttle. When I say keep the AOA down, I mean the aircraft attitude, it's angle of attack to the airflow. If you look, it's flying downwind, losing airspeed over the wing and being held nose high on the elevator in an attempt to maintain high. Eventually, the wing is at too high an alpha for the effective airspeed. This is when he should be using the elevator only to keep the aircraft level, and using the throttle to maintain airspeed and height, letting the wing do the heavy lifting, not the elevator. These tapered wings are renowned for their prevalence to tip stall, at low speed, then if you want to make it worse add in some aileron increasing the effective AOA of the tip even more, well past the stall angle.
That's what it looks like what happened.
Tip stall, to low throttle, some tailwind. Luckily he survived in one piece. Happened to me many times in the past with less luck. Learned from those crashes. Watch the airspeed is the most important rule of rc flying.
Your percocet kicked in for back pain causing a little webble wobble. You saved it so no worries
Down wind too slow before turning causing tip stall. Luckily had hight to recover. CoG needs bringing forward a few inches.
something shifted making it tail heavy ,was fine at takeoff , then became very pitch sensitive . very good save .
Looked like tip stalls - DC3s do that given a chance, and normally models are worse.
Luckily it wasn't towing a glider, coming back from the channel, had mechanical problems
Tail heavy, it’s obvious throughout flight. Shift batteries fwd or add weight
Not a CG problem. Too Slow, noes held too high and then flown down wind. Keep it level, and keep the speed up, the stab will then have authority, and you keep the wing away from the critical angle of attack.
Flak?
Too slow. Stall. That simple. Trim for normal speed set too slow and perhaps additionally cg at aft limit.