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03-01-2020 | 04:55 PM

#71

Baradium

Gets Weekends Off

Joined: Dec 2006

Posts: 2,370

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From: 737 FO

Quote:

Originally Posted by MaxQ

If memory serves me doesn’t the DC-7 need 115/145 octane?
I think that was main reason the DC-6s and 4s kept chugging away out of YIP while you only saw the 7s sitting in weeds,
no high octane available at most airports.
would be cool though.

The DC-7s have turbo-compound engines which are incredibly maintenance intensive. The DC-6 was fondly called the best 3 engine aircraft ever made while the DC-7s were flying emergencies. There were also a lot more DC-6s and 4s available to fly than 7s in the first place.

https://en.wikipedia.org/wiki/Wright...Duplex-Cyclone

03-01-2020 | 06:46 PM

#72

badflaps

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Joined: Apr 2011

Posts: 5,816

Likes: 5

From: retired 767(dl)

In the end the "7's" engines were derated and used 100/130, they were also run unpressurized. They did everything but fix pitch the props and weld the gear down. I occasionally get in a 55 gallon drum and roll down a gravel hill to remember the experience.

03-01-2020 | 06:59 PM

#73

Gspeed

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Joined: Jan 2014

Posts: 2,286

Likes: 18

Quote:

Originally Posted by badflaps

I like the cut of yer jib.

03-02-2020 | 04:42 AM

#74

Scoop

Moderator

Joined: Dec 2007

Posts: 7,253

Likes: 96

From: DAL 330

Quote:

Originally Posted by D B Cooper

My understanding they want to push dinner dress blue's. Except the captain will be in the whites.

I forgot - is the cummerbund elastic? If not this will never work.

Scoop

03-02-2020 | 06:47 AM

#75

Bucking Bar

Can't abide NAI

Joined: Jun 2007

Posts: 12,078

Likes: 15

From: Douglas Aerospace post production Flight Test & Work Around Engineering bulletin dissembler

Quote:

Originally Posted by Jaww

We also have 1xDC-7. I’ve seen it at the hangar. Not sure where it flies to.

Parked it in front of the engine shop to practice for our 321 NEO deliveries.

MD88 crews are bidding the 320 like crazy since they're already down with the whole Pratt and Whitney builds reliable engines thing.

Have to admit the engine looks cool as it goes KABLOOEY for no good reason at all.

Last edited by Bucking Bar; 03-02-2020 at 06:59 AM.

03-02-2020 | 07:38 AM

#76

AirCoxswain

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Joined: Mar 2016

Posts: 161

Likes: 22

You probably already have your answer, but they officially release the fleet and delivery schedule as part of the 10-K annual report. It's in investor relations here:

https://ir.delta.com/resources/defau...x#investor-kit

03-02-2020 | 08:30 AM

#77

MaxQ

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Joined: Oct 2009

Posts: 1,140

Likes: 155

Quote:

Originally Posted by Baradium

Baradium and Badflaps:

Thanks. I always knew that the 7s engines were an engineers delight and a pilots nightmare. Being a bit of a gearhead in my misspent youth they always appealed to me....but I never had to deal with them, or any other radials, in my career so I can stay with my romantic ideas of them.
Bad: I had no idea they derated a few so they could use 100/130.
Fueled lots of DC-4s, 6s, and 3s...plus a few old Rosenbalm C-46s and some Martin 404's. Always thought it kind of cool that we had an oil truck to service them....pumping in oil from a hose just like a fuel hose.
A turbine can never sound as cool.

03-02-2020 | 12:33 PM

#78

Express pilot

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Joined: Jan 2006

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787 or maybe the launch customer for the 797. Boeing is hurting because of the max issue and Delta loves a good deal.

03-03-2020 | 05:36 AM

#79

Bucking Bar

Can't abide NAI

Joined: Jun 2007

Posts: 12,078

Likes: 15

From: Douglas Aerospace post production Flight Test & Work Around Engineering bulletin dissembler

Quote:

Originally Posted by Baradium

True story - that is how my Dad got his start in commercial aviation with a 9th grade education and a GED. Air Force made him a mechanic, then crew chief and got his ratings out at the flying club. Cargo carriers hired him not necessarily to be the world's best second officer, but to fix the damn thing when it broke, blew up, went kablooey or caught on fire; which was often. Second Officer > First Officer > Seaboard > Flying Tigers > FedEx ... worked out for him. Not bad for a brighter than average wrench.

He's 80+ now and with his feet on the floor can tell more about the health of the engine in my airplanes than a digital engine analyzer. He's freaky when it comes to figuring out the balance of fuel delivery and health of cylinders.

03-03-2020 | 06:57 AM

#80

badflaps

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Joined: Apr 2011

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From: retired 767(dl)

There was an ignition analyzer with wavey little lines in the left hand radio rack, all you had to say was "Double shorted secondary #3" and the race was on to the red plastic button.