Search: Posts Made By: earthsciteach
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Forum: Aerodynamics
11-09-2011, 02:01 PM
Replies: 63
Views: 14,967
Posted By earthsciteach

"In 2000,000 years time the Earth had overheated...

"In 2000,000 years time the Earth had overheated due to global worming and become uninhabitable. Having long since been mined of anything useful the remaining lump of baron rock is demolished and...
Forum: Aerodynamics
11-09-2011, 11:58 AM
Replies: 63
Views: 14,967
Posted By earthsciteach

HX3D014-I am working it out with diagrams...

HX3D014-I am working it out with diagrams equations and such. The complication comes down to frame of reference and that it just can't be looked at as a wing in the steady state.

I really just...
Forum: Aerodynamics
11-08-2011, 12:02 PM
Replies: 63
Views: 14,967
Posted By earthsciteach

I am saying that the engine is at idle in my very...

I am saying that the engine is at idle in my very narrow little scenario, such as an airplane on approach. And I don't agree that an airplane in flight has no component of airspeed associated with...
Forum: Aerodynamics
11-08-2011, 02:07 AM
Replies: 63
Views: 14,967
Posted By earthsciteach

The danger of turning downwind (only when flying...

The danger of turning downwind (only when flying VERY near stall in an airplane with sufficient inertia such that the wind cannot impart its energy to the plane within the period of the 180 degree...
Forum: Aerodynamics
11-08-2011, 01:05 AM
Replies: 63
Views: 14,967
Posted By earthsciteach

Ground or not, if a plane is flying at 60 mph...

Ground or not, if a plane is flying at 60 mph IAS, and 20 mph of that is attributable to air moving toward the plane (wind), that means, then, without increasing throttle, it makes a 180 degree turn...
Forum: Aerodynamics
11-07-2011, 02:14 AM
Replies: 63
Views: 14,967
Posted By earthsciteach

Ok, I clicked on the link that RCers posted and...

Ok, I clicked on the link that RCers posted and have to give it to him! He definitely wins the debate!

Who are you, who are so wise in the ways of science?
Forum: Aerodynamics
11-07-2011, 01:13 AM
Replies: 63
Views: 14,967
Posted By earthsciteach

My point, earlier in the thread was, this is ONLY...

My point, earlier in the thread was, this is ONLY a concern when flying very near stall speed for a heavy aircraft (one that will not be easily moved by the wind). Add to that, it only matters if...
Forum: Aerodynamics
11-01-2011, 03:42 AM
Replies: 63
Views: 14,967
Posted By earthsciteach

Conceptually, they are right. Apparent wind...

Conceptually, they are right. Apparent wind speed is greater when flying into the wind at a given throttle setting than when flying downwind at the same throttle setting (for a heavy aircraft,...
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