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-   -   Departure spin video (https://www.pprune.org/private-flying/550731-departure-spin-video.html)

RatherBeFlying 7th Nov 2014 21:26

Doing touch and goes, the usual practice is to first get it rolling properly down the centerline. Usually the stude will be managing the rollout while the instructor gets the flaps ready for takeoff. Only then is it time to add power.

So here we have power applied when the aircraft is at flying speed which promptly gets it back in the air but seriously yawed:eek:

We see an initial right bank to regain the runway, but it looks like a building is in the way; so they continue back left between the building and the woods; then seem to decide to do a mini circuit and head back to the trees.

Had the power been pulled off immediately they got pointed away from the runway, likely they could have got it on the ground and stopped before hitting the trees. Metal would likely have been bent, but survival odds would have been much better.

Some WWII fighters would promptly roll themselves into a ball if full power was applied at that point in the flight.

One question that needs answering is whether the aircraft has enough rudder to keep it straight when full power is applied in such conditions -- or whether it was applied after the swing had already happened.

Cameronian 11th Nov 2014 08:12

I don't know anything about the aircraft nor where its bits are to be found. I saw the throttle go in but I didn't spot anything which could be the carb heat. Hot air means no go and lots of mush and that looked like what happened. Now someone's going to put me in my place by telling me it's fuel injected or something!

FullWings 11th Nov 2014 12:52

Having just watched the video, I wonder if the airframe was ever under control from the moment power was applied to go around. It does seem to be operating almost off the back end of the drag curve. The final departure appears to occur below the level of the trees, so might have had some “help” from foliage catching the left wing...

The end result reminds me of this:



although in that case they managed to keep the wings level until they hit the trees.


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