Question About the Glide Ratio

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V2-OMG!
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Question About the Glide Ratio

Post by V2-OMG! »

I've seen this discussed on a particular thread, but I cannot relocate it.

Could someone please explain the "glide ratio" to me?

Also, would anyone know what the "glide ratio" would be for a Lockheed L-10A (the first a/c used by Air Canada)?

Thanking you in advance!
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dangerous
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Re: Question About the Glide Ratio

Post by dangerous »

Glide ratio is forward distance travelled divided by altitude lost. When all your engines fail, you want to maximize your glide ratio. Most light aircraft have a published best glide ratio at a specific best glide speed.
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V2-OMG!
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Re: Question About the Glide Ratio

Post by V2-OMG! »

Thanks so much "dangerous."
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Rudy
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Re: Question About the Glide Ratio

Post by Rudy »

It's not all that common to see glide ratio numbers for twin engined aircraft published but someone on here might know. A total guess for an aircraft like the Electra would be around 12:1 with the engines not running and the propellers "feathered" (the position that creates the least drag). For some perspective a Pilatus PC-12 does 16:1 at max. weight, according to google a Northern Flying Squirrel does 1.98:1, and an open class glider like this 'eta' can do around 70:1.
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