PPRuNe Forums - View Single Post - Top of Descent Versus Gross Weight
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Old 4th October 2009 | 21:35
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35hPA28
 
Joined: Aug 2007
Posts: 17
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From: Southern Brazil
Is it always so?

For a given IAS a light-wieghing aircraft will fall out of the sky like a bucket of sh!t. Reverse for heavyer wieghts.
when two airplanes are gliding at a given airspeed, say 300 kt, the heavier glides more miles.
I thought I knew the answer to this but you two guys really got me confused.

Considering that two identical airplanes can glide the same distance regardless of different weight, but at different speeds, I understand there must be (lower) speeds at which a lighter airplane will glide further if both glide at the same speed.

What am I missing? Thanks in advance!
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