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Forum: Tech Log

14th Jan 2013, 10:13

Replies: 27

Wing bending measured in flight during turns

Views: 9,269

Posted By Gaston444

The B never saw service, but I did note the...

The B never saw service, but I did note the earlier Razorback Ds or Cs did better in sustained turning combat than the later Paddle-Blade equipped Razorbacks, and more so the Bubbletops.

Unlike...

Forum: Tech Log

11th Jan 2013, 13:20

Replies: 27

Wing bending measured in flight during turns

Views: 9,269

Posted By Gaston444

Diving unloads the prop blades because the air is...

Diving unloads the prop blades because the air is hitting more the front of the blades: The fact that the prop is constant speed, that is, gets coarser pitched as speed goes up, does not change the...

Forum: Tech Log

5th Jan 2013, 11:00

Replies: 27

Wing bending measured in flight during turns

Views: 9,269

Posted By Gaston444

Quote: "Most issues associated with structural...

Quote: "Most issues associated with structural loading are related to g. For all formal flight tests where these are measured they are normally done during woigs level pull ups from either level...

Forum: Tech Log

1st Jan 2013, 07:54

Replies: 27

Wing bending measured in flight during turns

Views: 9,269

Posted By Gaston444

Very interesting perspective on wing bending by...

Very interesting perspective on wing bending by Linktrained...

I'll just ask a simple question outright: Is it at all possible that wing bending in level turning flight was never formally...

Forum: Tech Log

30th Dec 2012, 06:31

Replies: 27

Wing bending measured in flight during turns

Views: 9,269

Posted By Gaston444

Well if turn rate is not proportional to Gs, that...

Well if turn rate is not proportional to Gs, that is not what this source seems to says: It is from a Kirtland air force base military magazine (link doesn't seem to work for me though):
...

Forum: Tech Log

29th Dec 2012, 06:49

Replies: 27

Wing bending measured in flight during turns

Views: 9,269

Posted By Gaston444

The comparison to a helicopter is a useful point,...

The comparison to a helicopter is a useful point, especially if it can match the turn rate with lower Gs.

But in this case, the the Gs are lower because the helicopter is in effect rotating on...

Forum: Tech Log

28th Dec 2012, 06:56

Replies: 27

Wing bending measured in flight during turns

Views: 9,269

Posted By Gaston444

I am talking about the best sustained turn rate,...

I am talking about the best sustained turn rate, that is the best turn rate that can be maintained indefinitely without loss of speed, and that is usually what is referred to as "out-turning" or...

Forum: Tech Log

23rd Dec 2012, 02:10

Replies: 27

Wing bending measured in flight during turns

Views: 9,269

Posted By Gaston444

"Go too fast and the turn rate reduces, go too...

"Go too fast and the turn rate reduces, go too slow and you stall before you can pull the required g to get a higher rate of turn. So why are they finding this is happening at a lower power setting?...

Forum: Tech Log

10th Dec 2012, 10:02

Replies: 27

Wing bending measured in flight during turns

Views: 9,269

Posted By Gaston444

The data would have to be in-flight. ...

The data would have to be in-flight.

There are "anecdotal" suggestions out there that there might be something different going on with the wings besides the "normal" bending moment on some...

Forum: Tech Log

21st Nov 2012, 00:34

Replies: 27

Wing bending measured in flight during turns

Views: 9,269

Posted By Gaston444

It seems typical Warbird-operating outfits do not...

It seems typical Warbird-operating outfits do not have strain gauges installed, nor do they need them to be certified for flight...

I contacted one of the head engineers of Vintage Wings in...

Forum: Tech Log

5th Feb 2012, 20:24

Replies: 27

Wing bending measured in flight during turns

Views: 9,269

Posted By Gaston444

Oh ok: So they are not the usual WWII vintage... ...

Oh ok: So they are not the usual WWII vintage...

I wonder if specific turn tests, using their values as a reference, were documented during WWII?

I'll contact some operators to see how...

Forum: Tech Log

31st Jan 2012, 15:19

Replies: 27

Wing bending measured in flight during turns

Views: 9,269

Posted By Gaston444

Thanks very much for the pointer! I...

Thanks very much for the pointer!

I wonder exactly how do these WWII strain gauge work and how are they calibrated? What is the gradient value used? Do they give instant "live" information...

Forum: Tech Log

30th Jan 2012, 16:52

Replies: 27

Wing bending measured in flight during turns

Views: 9,269

Posted By Gaston444

Wing bending measured in flight during turns

Hello everyone. I cannot find my original posting: I wanted to know if for low wing single engine prop aircrafts there had ever been measurements done while in flight of the actual wing bending...

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