Comments on: Better Fuselage Dynamics Through Science https:/2018/05/better-fuselages-through-science/ Developer resources for the X-Plane flight simulator Tue, 08 May 2018 14:57:02 +0000 hourly 1 https://wordpress.org/?v=6.6.1 By: Michael https:/2018/05/better-fuselages-through-science/#comment-29858 Mon, 07 May 2018 22:04:28 +0000 http://developer.x-plane.com/?p=8477#comment-29858 You could also try some open source CFD to get data like this. There is OpenFOAM and Code-Saturne and they are being used to get very similar data:

https://the-foam-house5.webnode.es/products-/
https://www.cfdsupport.com/aircraft-aerodynamics-cfd.html

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By: Draco https:/2018/05/better-fuselages-through-science/#comment-29783 Sun, 06 May 2018 21:50:48 +0000 http://developer.x-plane.com/?p=8477#comment-29783 In reply to VirPil.

Problem you have with a fan is that it makes very choppy air, and it’s harder to get good measurements. By using a car, you can get smooth air flows and reliable data. A wind tunnel would be the ultimate choice to perform experiments, but they’re very expensive to run. There’s a huge closed-loop wind tunnel just 250m away from where I live. That would be a great place to get data.

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By: Keith Walton https:/2018/05/better-fuselages-through-science/#comment-29719 Sat, 05 May 2018 19:17:03 +0000 http://developer.x-plane.com/?p=8477#comment-29719 Austin, perhaps the fuselage IS just a multi faced airfoil and blade element theory can be applied in segments around 360 degrees circumference of the nose?

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By: VirPil https:/2018/05/better-fuselages-through-science/#comment-29700 Sat, 05 May 2018 10:50:37 +0000 http://developer.x-plane.com/?p=8477#comment-29700 In reply to VirPil.

Why “not made” I mean.

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By: VirPil https:/2018/05/better-fuselages-through-science/#comment-29699 Sat, 05 May 2018 10:50:08 +0000 http://developer.x-plane.com/?p=8477#comment-29699 Why made real home-made wind tunnel? I don’t think airspeed is too much important, so you can use some fan, and scale to measure exact forces.

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By: Tom Knudsen https:/2018/05/better-fuselages-through-science/#comment-29664 Fri, 04 May 2018 22:43:03 +0000 http://developer.x-plane.com/?p=8477#comment-29664 Very cool Austin, love how dedicated you are and I do share you passion.
Watched Michaels video of this test and found it very int.

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By: Ulrich https:/2018/05/better-fuselages-through-science/#comment-29663 Fri, 04 May 2018 22:27:56 +0000 http://developer.x-plane.com/?p=8477#comment-29663 In reply to Günther Wittwar.

I haven’t tested stalling recently, but the easiest way to force a stall is this:
Reduce speed with a slight “nose up” pitch. Then, when you are close to stall speed, rapidly “pull up”. While the Cessna is very good-willing (having the center of gravity below the wings), those with the “wings down” (low wing, like Pipers) are a real challenge to get out of stall.
(Sorry I’m native German, so I don’t know all the exact phrases)

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By: cloose https:/2018/05/better-fuselages-through-science/#comment-29633 Fri, 04 May 2018 08:41:03 +0000 http://developer.x-plane.com/?p=8477#comment-29633 In reply to Ham Solo.

+1

What surprises me is that the twitch videos from aerosimgaming are not even mentioned or acknowledged here. In my opinion, a big thank you to these guys would be appropriate and a confirmation that the problem is being worked on.

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By: Günther Wittwar https:/2018/05/better-fuselages-through-science/#comment-29631 Fri, 04 May 2018 07:15:15 +0000 http://developer.x-plane.com/?p=8477#comment-29631 In reply to CG.

I second this.
By the way, why not trying to improve the stall behavior?
Flying near the stallspeed and using ailerons extremly should have an impact (airplane rolling upside down)
With the current model stalling is not dangerous at all.

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By: Ryan https:/2018/05/better-fuselages-through-science/#comment-29627 Fri, 04 May 2018 03:29:46 +0000 http://developer.x-plane.com/?p=8477#comment-29627 In reply to Rudy.

PilotEdge already handles most of what you are asking for. It’s a subscription service but it’s definitely the top of the ‘online’ clients. Other aircraft are shown (if a model exists, it will show the exact model), drone aircraft are shown, lights are shown and change depending on what switches are on, flap positions and gear are modeled, etc. With that existing, I can understand why LR would focus on core development of the sim.

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