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ATR glide ratio |
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fruitfly 
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Joined: November-04-2004 Location: Croatia Points: 83 |
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 Topic: ATR glide ratioPosted: January-05-2005 at 1:47pm |
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What is it???
7:1? More?? |
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Christian
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Joined: November-02-2004 Points: 135 |
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Posted: January-07-2005 at 4:09pm |
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i had dual engine flameout in my last simu session....... As far as i remember, with drift down speed (around 125 IAS) the descent rate was around 800 ft/min (with feathered engines) .
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best regards
Christian ex Cpt ATR72 , ex Cpt BAe146, now CRJ Cpt , Germany |
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Ramjager
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Joined: December-28-2004 Location: Australia Points: 9 |
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Posted: January-08-2005 at 12:10am |
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Hi Christian Sounds like my last Dash sim. Dual flameout at night glide 35nm from FL230 to land in the dark. Good fun!! How many sims do you do a year there.We are in every3 months. What sort of distance plan do you have in the ATR we have a 2:1 based off altitude for the Dash. Seeya
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bisinchi
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Joined: October-31-2004 Location: France Points: 145 |
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Posted: January-10-2005 at 1:45pm |
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I guess it means that for every 7 miles you go horizontally, you would loose 1 mile vertically. I may be wrong!! Francois
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ResidentPhysicist
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Joined: April-08-2022 Location: UK Points: 1 |
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Posted: April-08-2022 at 3:51pm |
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From this sink rate and ktas you'd get a glide ratio of 15.8:1, this is also a L/D ratio. It seems reasonable. The 2015 paper 'Is "Green Dot" Always the Optimum Engines-Out Glide Speed on the Airbus A320 Aircraft' suggests 17:1 for the A320ceo, so for a regional airliner with higher AR 15.8:1 sounds a bit low. Still possible though. It's definitely higher than 7:1
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fruitfly wrote: