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Old 01-13-2022, 01:50 PM
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Preflight ! Check aileron !
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Old 01-13-2022, 02:36 PM
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Was definitely NOT “too little, too slow on rudder”, as full right rudder can be seen very early in the roll. More obviously, the nose wheel steering wasn’t reversed or he’d never have made it out of the pits.

The left roll is not continuous, so I doubt that the ailerons were reversed.

“Torque” does not veer airplanes left on the ground to any real effect. (Many if not most folks lump 3 factors into that term and mistakenly use it as a catch-all) The two forces most ascribed (mistakenly) to torque are p-factor and corkscrew/slipstream effect, nether of which are going to be a factor on a nose wheeled twin with centerline mounted rudder, so that’s not the culprit IMO.

Both engines ‘seem’ to be running until impact, but I personally can’t be sure that the right engine wasn’t pulling harder. My best guess (we are all just guessing here, right?) is an assymetrical thrust due to left engine lagging behind the right which could not be countered by the nose wheel or the relatively ineffective rudder (it’s not in a prop slipstream and thus has little airflow), followed by an instinctive attempt fly too soon (admit it, we have all done this) as the poor guy’s airplane made a play for the weeds, followed immediately by a stall.

As we second guess others’ actions and opinions, let’s all keep in mind that this poor guy had a bad day and is likely reading our armchair BS session ;-)
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Old 01-13-2022, 05:32 PM
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Have Fun And Fly
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I know the pilot. He is not on FG so he won't read these comments, but he has seen the comments on YouTube. He finds them mostly amusing. Reversed ailerons were not the issue. He is confident the problem was he yanked back on the elevator too hard and too soon. Scale planes like that have to be flown in a scale manner.
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Old 01-13-2022, 05:39 PM
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I heard both engines running until impact. Whether they were properly tuned is another story.
Anytime I see a plane roll in one direction and then crash shortly after take off, 99 percent of the time the ailerons were reversed in my opinion.

I feel bad for the guy for sure.
Preflight control check isn't only for the maiden flight, but every flight of every day.
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Old 01-13-2022, 05:41 PM
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The Biplane Mistress
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Quote:
Originally Posted by rcbobp View Post
I know the pilot. . Reversed ailerons were not the issue..
Well, there you have it. the 1 percent. Lol
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Old 01-14-2022, 03:32 AM
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At the 11 second mark (just as the front wheel lifts off) you can see that he has full right aileron, full right rudder, and what appears to be full up elevator. You can also hear both engines running.

I suspect torque steer from too much throttle and/or thrust differential due to engine imbalance led to panic trying to get in the air before he exited the side of the runway.

Use of too much elevator (possibly in combination with engine thrust imbalance) caused the left wing to stall driving the plane into the ground.

If he would have cut the throttle and kept the elevator down, likely all would have been okay. After his grass excursion, he could have just pulled back onto the runway and had another go.
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Old 01-14-2022, 10:01 AM
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Originally Posted by Motomazzo View Post
+1. Exactly what I was going to say.



Me too!
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Old 01-14-2022, 11:49 AM
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Quote:
Originally Posted by rcbobp View Post
I know the pilot. He is not on FG so he won't read these comments, but he has seen the comments on YouTube. He finds them mostly amusing. Reversed ailerons were not the issue. He is confident the problem was he yanked back on the elevator too hard and too soon. Scale planes like that have to be flown in a scale manner.
Very cool, thanks for the post. Did he say why it went so hard left to begin with?
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Old 01-14-2022, 12:01 PM
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At the 11 second mark, sure looks like there’s left aileron. That being said, video quality makes it hard to be 100%…
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Old 01-14-2022, 12:52 PM
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Pulled up way way to soon.. left wing stalled and the rest is history!!!
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Old 01-14-2022, 04:58 PM
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Wow…

Pilot might have gotten way too mesmerized seeing his pretty creation whizzing down the runway and just didn’t fly the bird….. could be but we’re probably all just guessing. How about our intrepid pilot come give us lecture on how he did this and then we can all say : Yep…… I used to fly like that but now I fly way better Now I just come on these threads to give “what I think went wrong” opinions! LOL….. ( Sorry for your loss!)
WT
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Old 01-14-2022, 06:02 PM
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Originally Posted by Rc_jeffreyv View Post
Simply airspeed. Classic stall/spin.
X2
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Old 01-14-2022, 06:58 PM
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After looking more closely seems a bit blurry but looks like the left aileron is up?
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Old 01-14-2022, 07:21 PM
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wrongwayfeldman
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After watching (listening) several times....it does sound like both engines are running. At least till it leaves the ground.
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Old 01-14-2022, 11:15 PM
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In the full scale world, this would be known as a "classic VMC demonstration" proving it's not necessary to lose an engine to get below VMC, not a good place to be. If anywhere after that some thing should cause an asymmetric thrust condition, the airplane will roll onto it's back and go straight in. And yes, it looks to me like the left aileron was deflected full up, hard to say for sure but if it was, it didn't help.
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