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[bmc]

Hi there

Not sure if you have a Nanjing or the Yak 52. Yesterday, I watched a Yak52 depart a local grass airport and he had flap hanging down. He was alone and used alot of runway to get airborne. At one point, he checked forward on the stick, making me think that any more forward input and we would have seen a prop strike. The flaps look like split flaps.

Does that airplane call for take off flaps?

[fougapilot]

Does that airplane call for take off flaps?

To the best of my knowledge, it does not.

I have flown the Yak52 on many occasions, but I fly a CJ6a Nanchang (not a nanjing ) most of the time.

Both the Yak and the Chang have basically the same pneumatic system. Yes, the flaps, gear, brake and starter are pneumatic. The flap has two positions, UP or Down. There is no midway position. The Yak has 2 flaps, one on each side of the fuselage, and they are of the split type, while the Chang has a single flap which is also a split (hence the "gull" wing. It was the only way to have a single flap and keep a dihedral).

I couldn't begin to assume what happened to that old chap. Did he simply forget to raise the flaps or was he trying to improve on the Russian short field take off, I would know.

Hope this help,

F

[bmc]

Thanks for that.

There were a couple of us watching this and one of the other lads pointed it out. We confirmed that the plane wasn't being flown by the owner. The strip is about 1800 ft long at 1200'asl. The guy used about 1400 feet to get airborne.
The field also has the only airworthy Moraine Saulnier MS405 fighter from ww2. That machine uses every inch of field coming and going. He too was up making noise on Sunday.

I can't figure out how most women just don't get the pleasure of an airfield on a sunny afternoon.