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Search: Posts Made By: Deskscribbler
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28th Dec 2019, 00:43
Replies: 145
Views: 225,155
Posted By Deskscribbler

On the HOTs, -12C in freezing fog can give HOTs...

On the HOTs, -12C in freezing fog can give HOTs as low as 20-25 minutes with certain SAE Type II or IV fluids (per this winter season's FAA guidance).
Forum: Tech Log
10th Jul 2019, 21:02
Replies: 11
Views: 2,724
Posted By Deskscribbler

OK... a symmetrical aerofoil doesn't. But any...

OK... a symmetrical aerofoil doesn't. But any standard cambered aerofoil fitted to the vast majority of flying things will. Horizontal stabs are often inverted aerofoils to produce 'negative lift' at...
Forum: Tech Log
10th Jul 2019, 20:26
Replies: 11
Views: 2,724
Posted By Deskscribbler

This is a really interesting one. All wings...

This is a really interesting one.

All wings will produce SOME lift at zero AOA. Look at a typical lift curve slope, you have peak CL at something like 1.0 or so at an AOA of 15 degrees (just...
11th Mar 2019, 08:58
Replies: 5,127
Views: 10,356,076
Posted By Deskscribbler

More pertinent here is flight with reduced static...

More pertinent here is flight with reduced static pitch stability. Basically, reducing static stability margin (flying with the CofG and centre of pressure closer together) means you need less...
6th Feb 2019, 00:04
Replies: 40
Views: 14,920
Posted By Deskscribbler

It's bizarre, I'll give it that! If it's real,...

It's bizarre, I'll give it that! If it's real, it's very odd indeed - and knowing the Russian's love of fakery at the moment you never know...
4th Feb 2019, 19:34
Replies: 40
Views: 14,920
Posted By Deskscribbler

Sorry if I'm being a bit daft (or stating the...

Sorry if I'm being a bit daft (or stating the bleeding obvious) - but isn't the 'footage' from a computer game? Specifically the 'LockOn' or 'Digital Combat Simulator' series? The Russian media used...
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