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Re: The Square-Cube law........

By: faul in ALEA | Recommend this post (0)
Tue, 24 Jun 14 2:58 AM | 26 view(s)
Boardmark this board | The Trust Matrix 		Msg. 15727 of 54959
(This msg. is a reply to 15726 by Cactus Flower)
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So you are saying that at 0.53 Max Mach operating
the Engine is only operating at less than 40% or
so max thrust/Power,it has 60% more Power
available in reserve,50% odd more it is rated for.

That the only thing limiting the use of that
extra rated power is the restriction that limits
airframe maintenance costs?

Tis a wonder why GE,R-R etc bother to make so
many variations of engines for the same & different Aircraft with different max Engine thrusts when they all apparently only use 40% of their available Power......Smile


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The above is a reply to the following message:
Re: The Square-Cube law........
By: Cactus Flower in ALEA
Tue, 24 Jun 14 2:47 AM 		Msg. 15726 of 54959

0.53 is the maximum operating velocity, which is a speed limit for operating an aircraft while managing wear and tear and maintaining passenger safety.

so the fact an engine can exceed its maximum thrust by 10% is neither here nor there.

one relates to the capacity of an engine to produce power. the other describes a restriction that limits maintenance costs.

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