Originally Posted by btwissel
(Post 296368)
at most altitudes we fly (above 290) the 170 burns between 1800 and 1900lbs/hr/side.
we generally block anywhere from 2200lbs burn for short legs (IND-ORD short) up to 12000lbs burn (IAD-AUS or ORD-ABQ) |
Average of 1000 -1100 lbs an hour for the mighty Saab "whisper jet" 340. That ain't per engine by the way.
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The Twin Otter could carry 23 jumpers in first class comfort at ~600 pph.
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5.4 gallons per hour at FL 030 at 2300 RPM on a standard day in my handy dandy C-152RJ
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ATR-72 burns 1600 lbs/hr combined.
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Originally Posted by cbire880
(Post 296477)
Is that at .78? I wanna say second hour burn is closer to 1600/side at .74 for us. That fat fuselage does take some dinosaurs to run up in the sky. Yeah, you thought it was rain.
.78, but i've noticed each .01 we pull it back brings the burn down about 100lbs a side. |
We got a 172R down to 3 gph once lol
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Originally Posted by ExperimentalAB
(Post 296427)
It's too bad that Mainline (insert your choice here) has shown time and again that they really don't care for comfort...It's fuel they are worried about - and the E-Jets, though awesome to catch a ride in, are guzzlers in comparison to the RJ's.
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I almost never get filed at .74 on the Republic side. Then again, I haven't done a MCI, MSP, or IAH turn all that recently.
Anyone remember what the "plan" fuel numbers were for first and second hour on the 170. Were they 4200# and 3600# respectively? |
ON the 170 play with the Perf Init's cruise speed once enroute. I've found with tailwinds on long legs dfw-dca for instance you can save a good amount of gas by finding an optimum speed for the weight.
When you first hit cruise and are heavy .70 can actually burn more gas than .74....but once the weight burns as the flight continues pulling it back can easily save a 1000 pounds of gas versus the planned burn. 1600 a side is average on the longer legs depending on weight....but around 1200-1400 per hour once a little lighter and its pulled back. Headwinds are a different story, last week we had a planned burn of 14200 dca-dfw (150-160 kt hdwind) Whats wrong with pulling it back as long as you arrive on time? |
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