Search found 50 matches

by Armadillo1
Tue Feb 13, 2018 7:13 pm
Forum: Civil Aviation
Topic: An-148 crash near Moscow kills all 71 people on board
Replies: 193
Views: 48991

Re: An-148 crash near Moscow kills all 71 people on board

oficial info: http://mak-iac.org/rassledovaniya/an-148-100b-ra-61704-11-02-2018/#116661 (now offline - overloaded?) info-only topic on russian forum: https://aviaforum.ru/threads/katastrofa-an-148-saratovskix-avialinij-informacija.45162/ russian text: Комиссия Межгосударственного авиационного комите...

Jump to post
by Armadillo1
Wed Feb 07, 2018 10:45 pm
Forum: Civil Aviation
Topic: Sukhoi launches 75-seat Superjet shrink, mulls GTF engine
Replies: 39
Views: 5825

Re: Sukhoi will create a new SSJ variant(SSJ-75)

Phosphorus wrote:
If you do know "a few", you are free to post them here, though.

i'm russian
lets wait first for more info about neo-75ssj

before more news, i still can't see several weakness in current ssj95, out from some US-part needed for aproove in US

Jump to post
by Armadillo1
Tue Feb 06, 2018 6:37 pm
Forum: Civil Aviation
Topic: Sukhoi launches 75-seat Superjet shrink, mulls GTF engine
Replies: 39
Views: 5825

Re: Sukhoi will create a new SSJ variant(SSJ-75)

Phosphorus wrote:
and SSJ-100 contains all the errors it could contain. .

i know a few, but first will be nice to lhear you about errors in ssj95

Jump to post
by Armadillo1
Sat Feb 03, 2018 8:17 pm
Forum: Civil Aviation
Topic: Former Saudia MD-11F was ferried from JED to MHV
Replies: 35
Views: 7656

Re: Former Saudia MD-11F was ferried from JED to MHV

FedEx/UPS can dismantle they own old MD-11 and take this one with less flight hours number

Jump to post
by Armadillo1
Sat Feb 03, 2018 7:34 pm
Forum: Military Aviation & Space Flight
Topic: Russian Military Crashes
Replies: 140
Views: 42788

Re: Russian Military Crashes

Su-25 downed by missile in Syria, near Saraqib, east from Idlib Pilot ejected, but killed on ground russian forum with more info: https://aviaforum.ru/threads/sbit-su-25-v-sirii.45136/#post-2159761 hit on 38 sec: https://youtu.be/E_wfI_4Y-SI more pics here: https://colonelcassad.livejournal.com/3971...

Jump to post
by Armadillo1
Mon Jan 29, 2018 4:53 pm
Forum: Civil Aviation
Topic: Boeing 7J7
Replies: 34
Views: 8438

Re: Boeing 7J7

a 2-2-2 config is simply imposible, because it would make an aircraft aerodynamically more resistant due to a larger fuselage its better a 3-3 layout and reduce 40 to 55 cams of width area. The aerodynamic drag of the 7J7 at 2-2-2 would be similar to an A320 at 3-3 due to the lower cruise speed of ...

Jump to post
by Armadillo1
Thu Jan 25, 2018 5:36 pm
Forum: Civil Aviation
Topic: Russian did it! 162 AW189 for Russia. Ehhh...
Replies: 3
Views: 2223

Re: Russian did it! 162 AW189 for Russia. Ehhh...

The aircraft will be supplied together with a support and training package with delivery expected in summer 2018. ... The AW189 will be equipped with a Full Ice Protection System (FIPS) allowing operations in known icing conditions when other helicopters would be grounded. Mi-171 is 1.5 times heavier

Jump to post
by Armadillo1
Wed Jan 24, 2018 8:57 pm
Forum: Technical/Operations
Topic: Trent1000 EASA AD
Replies: 28
Views: 3034

Re: Trent1000 EASA AD

380, 787, 350 RR engine still RB211 Trent family so must dont difference in shaft rotation

Jump to post
by Armadillo1
Wed Jan 24, 2018 8:30 pm
Forum: Technical/Operations
Topic: Trent1000 EASA AD
Replies: 28
Views: 3034

Re: Trent1000 EASA AD

https://en.wikipedia.org/wiki/Rolls-Royce_Trent_1000
A high pressure ratio along with contra-rotating the IP and HP spools improves efficiency.[24][not in citation given]

is this true?
-->

offtopic:
https://en.wikipedia.org/wiki/Rolls-Royce_Trent_1000

A high pressure ratio along with contra-rotating the IP and HP spools improves efficiency.[24][not in citation given]

is this true?

Jump to post
by Armadillo1
Mon Jan 22, 2018 11:19 pm
Forum: Civil Aviation
Topic: Embraer E-Jet E2 gets another performance boost
Replies: 48
Views: 8670

Re: Embraer E-Jet E2 gets another performance boost

https://www.prnewswire.com/news-releases/embraer-sa-e190-e2-flight-test-results-confirm-e2-as-most-efficient-single-aisle-jet-300586248.html which represents a 17,3% improvement when compared to the current generation E190, and nearly 10% better than its direct competitor. what means a direct compet...

Jump to post
by Armadillo1
Mon Jan 22, 2018 9:04 pm
Forum: Technical/Operations
Topic: Why placing 1st/business class in nose?
Replies: 37
Views: 6508

Re: Why placing 1st/business class in nose?

thanks to all, it helps a lot.

so nowadays the main issue is first to deplane, and a second is a tradition?

Jump to post
by Armadillo1
Sun Jan 21, 2018 10:53 pm
Forum: Technical/Operations
Topic: Why placing 1st/business class in nose?
Replies: 37
Views: 6508

Why placing 1st/business class in nose?

Instead of tail?

just for split during boarding?

Jump to post
by Armadillo1
Sun Jan 21, 2018 8:38 pm
Forum: Civil Aviation
Topic: DL MD-88 Phase Out
Replies: 100
Views: 33275

Re: DL MD-88 Phase Out

how many cycles oldest of this birds have?

Jump to post
by Armadillo1
Sun Jan 21, 2018 12:03 pm
Forum: Civil Aviation
Topic: Air Transat to test WheelTug system to taxi between runway and terminal
Replies: 12
Views: 3088

Re: Air Transat to test WheelTug system to taxi between runway and terminal

i thought this thing weights about 300kg and need to burn more fuel in flight. what is a real advantage?

Jump to post
by Armadillo1
Sat Jan 20, 2018 9:47 pm
Forum: Civil Aviation
Topic: Why A-380 doesn’t sell in more densely populated countries?
Replies: 86
Views: 8758

Re: Why A-380 doesn’t sell in more densely populated countries?

There are simply not many routes in the world where you can fill 800+ seats consistently. actual sitting from ~450 to 600 with flatbeds, bar and more and more. we all talking about the same thing, i just ask not to use completely wrong arguments can planet live without a380 now? yes but she have a ...

Jump to post
by Armadillo1
Sat Jan 20, 2018 9:41 pm
Forum: Civil Aviation
Topic: Why A-380 doesn’t sell in more densely populated countries?
Replies: 86
Views: 8758

Re: Why A-380 doesn’t sell in more densely populated countries?

Ok, let's use 436 vs 845. Even with twice airport/navi charges, A333/787 will be more profitable. . yes. if you transport sardines only. and even here for 333 better comparing with 8-abreast actualy. a380 have much more room for unique leisure options comparing with any current plane. so its more c...

Jump to post
by Armadillo1
Sat Jan 20, 2018 9:08 pm
Forum: Civil Aviation
Topic: Why A-380 doesn’t sell in more densely populated countries?
Replies: 86
Views: 8758

Re: Why A-380 doesn’t sell in more densely populated countries?

compare apples to apples please.

with 436 actual sardines in 333 will be about 845 in 388, still having more room for each.

Jump to post
by Armadillo1
Sat Jan 20, 2018 12:32 am
Forum: Civil Aviation
Topic: Theoretical 777-based replacement for 747?
Replies: 83
Views: 9212

Re: Theoretical 777-based replacement for 747?

for first, tell me about how you imagine a wing for new VLA, if even 778 using folding wingtips.
i dont see a plane much larger 779 before avanty style triple wing come in masses

Jump to post
by Armadillo1
Fri Jan 19, 2018 10:29 pm
Forum: Civil Aviation
Topic: DXB Dubai Intl Airport 20 Years Ago! (1998 video)
Replies: 25
Views: 4115

Re: DXB Dubai Intl Airport 20 Years Ago! (1998 video)

0:51 Yak-42D

dont see tristar, but MD-11 and DC-10

Jump to post
by Armadillo1
Sat Jan 13, 2018 11:22 am
Forum: Civil Aviation
Topic: Mexico's Interjet $$$ problems & Sukhoi fleet
Replies: 102
Views: 28355

Re: Stranded Russian Jets in Mexican Hangars Haunt Troubled Airline

also, Volaris grounded 4 of 11 A319, and Aeromexico Connect - all 19 E135/145 it all about market demand. about grounded ssj: XA-JLG - substantially damaged barrel XA-PBA - nose damage, grounded since 2015 the rest is XA-BVM XA-JLV and i think can be used when they will be needed also about "In...

Jump to post
by Armadillo1
Sat Jan 13, 2018 11:14 am
Forum: Civil Aviation
Topic: Mexico's Interjet $$$ problems & Sukhoi fleet
Replies: 102
Views: 28355

Re: Stranded Russian Jets in Mexican Hangars Haunt Troubled Airline

if your competitor need such articles it means you doing right. Interjet has no need to "transform as ULC" as they feeling good with they own strategy. for 2017 https://www.20minutos.com.mx/noticia/312419/0/interjet-aumenta-12-por-ciento-movimiento-de-pasajeros-en-diciembre/ they transferr...

Jump to post
by Armadillo1
Sat Jan 13, 2018 10:33 am
Forum: Technical/Operations
Topic: Hypothetical windowless airliner questions (technical)
Replies: 26
Views: 2448

Re: Hypothetical windowless airliner questions (technical)

We're talking probably 30-40 % higher OEW here. Two: Once you have the structure, you'll land probably 60-70% more passenger. Assuming standard 300 widebody, you raise it with 200 persons. Another 40.000 lbs. facepalm its not about fitting 789 as dd's with old wing. its about placing 777 load in 76...

Jump to post
by Armadillo1
Sat Jan 13, 2018 10:08 am
Forum: Civil Aviation
Topic: Is it time for Three Engine Hybrid Aircraft?
Replies: 63
Views: 7283

Re: Is it time for Three Engine Hybrid Aircraft?

it can pe possible at 1960x. demo flew on common vehicles (Tu-95 and B-36)
some rumors about USA studied for global hawk

it is absolutely no reason for this.

Jump to post
by Armadillo1
Sat Jan 13, 2018 9:08 am
Forum: Civil Aviation
Topic: Is it time for Three Engine Hybrid Aircraft?
Replies: 63
Views: 7283

Re: Is it time for Three Engine Hybrid Aircraft?

F1 teams try to get leaner overall burn out of their engines by having a locally rich small pre-ignition chamber which shoots out flames to ignite the main (lean) ignition chamber. Modern turbofans have rather similar combustion chamber AFRs to high performance piston engines so this tech could wor...

Jump to post
by Armadillo1
Fri Jan 12, 2018 10:42 pm
Forum: Civil Aviation
Topic: Is it time for Three Engine Hybrid Aircraft?
Replies: 63
Views: 7283

Re: Is it time for Three Engine Hybrid Aircraft?

solar panel on wings, than small electric Motor for use this power time to time. it will be a first step next question is how we can improve jet turbine using small extra power. anything for better fuel mix or better fuel burn? may be a small lightning inside chamber can do something) or somehow ele...

Jump to post
by Armadillo1
Fri Jan 12, 2018 10:30 pm
Forum: Civil Aviation
Topic: Is it time for Three Engine Hybrid Aircraft?
Replies: 63
Views: 7283

Re: Is it time for Three Engine Hybrid Aircraft?

i think cessna caravan size can be more useful for hybrid and solar panels

Jump to post
by Armadillo1
Mon Jan 08, 2018 9:34 pm
Forum: Civil Aviation
Topic: Why use widebodies for domestic flights?
Replies: 100
Views: 14961

Re: Why use widebodies for domestic flights?

william wrote:
An A321 CEO and NEO can hold almost the same amount as a 767-200, there is your new widebody......................Yeah.
.

same for 757 but that times 767 used.
may be people changed and|or changed the people who flying?

Jump to post
by Armadillo1
Sat Jan 06, 2018 11:59 am
Forum: Civil Aviation
Topic: AA 737 fleet. Will it ever reach 400 at its maximum peak?
Replies: 13
Views: 3792

Re: AA 737 fleet. Will it ever reach 400 at its maximum peak?

bw50505 wrote:
I was under the impression they were going to start retiring some of the 738 soon because of corrosion issues.

where i can read about this?

Jump to post
by Armadillo1
Sun Dec 31, 2017 5:50 pm
Forum: Technical/Operations
Topic: Cold weather operations.
Replies: 9
Views: 1107

Re: Cold weather operations.

living in Moscow, still dont understand what are you talking about

Jump to post
by Armadillo1
Tue Dec 19, 2017 5:36 pm
Forum: Technical/Operations
Topic: Compression Ratio & Combustion Temp: Relation to Fuel Efficiency
Replies: 15
Views: 3286

Re: Compression Ratio & Combustion Temp: Relation to Fuel Efficiency

what about higher temperature?

is it better for hydrocarbon only or for metane and hydrogen too?
why?

Jump to post
by Armadillo1
Tue Dec 12, 2017 5:24 pm
Forum: Technical/Operations
Topic: Electric Powered Jets
Replies: 26
Views: 3546

Re: Electric Powered Jets

what about 1 engine failure issue?

Jump to post
by Armadillo1
Wed Nov 29, 2017 2:43 pm
Forum: Technical/Operations
Topic: 6 wheel bogey
Replies: 24
Views: 2845

Re: 6 wheel bogey

DH106 wrote:
Starlionblue wrote:
IIRC Tu-144 had 8 wheel bogies back in the 60s....


Weren't they 4 wheel bogies with a double tire on each?
Think they were designed like that to be thin enough to retract edge on into the nacelles.

The answer is: this is one disk with 2 tyres

Jump to post
by Armadillo1
Tue Nov 28, 2017 9:03 pm
Forum: Technical/Operations
Topic: 6 wheel bogey
Replies: 24
Views: 2845

Re: 6 wheel bogey

Is each tire an independent unit with individual rim and bearing or is it a "unit piece made out of rim and spacer segments fitted with two tires each. to check: can you independently rotate the tires on one axle stub? I would think that they rotate independently. It would affect the aircraft'...

Jump to post
by Armadillo1
Tue Nov 28, 2017 7:50 pm
Forum: Civil Aviation
Topic: Airbus weighs response if Boeing launches new mid-market model
Replies: 991
Views: 199054

Re: Airbus weighs response if Boeing launches new mid-market model

not sure i'm in right topic... what airbus need to do is admit they are now wrong in choosing fuselage size for widebodies. A350 is a perfect big wing with 787 fuselage 330NEO is a 787 size plane (for now, not about 1990) with less capacity. what they have to do is a change a cross-section. Can they...

Jump to post
by Armadillo1
Tue Nov 28, 2017 6:55 pm
Forum: Technical/Operations
Topic: Take-offs and landings with 4 parallel runways
Replies: 13
Views: 1776

Re: Take-offs and landings with 4 parallel runways

rjsampson wrote:
: I have to give props to KATL for "runaround" taxi-ways at lower elevations than departure aircraft, .

you mean tunnel? for 41ft height (737) aircraft? or digging safety runaway area?

Jump to post
by Armadillo1
Sat Nov 25, 2017 11:45 am
Forum: Technical/Operations
Topic: Airliner safety record stats for piston vs. turboprop vs jet
Replies: 5
Views: 1408

Re: Airliner safety record stats for piston vs. turboprop vs jet

I don’t have any statistics ready at hand, but I remember growing up in the 60s and airline crashes were a regular event. It seemed like there was about one a month, but I know it was not that many. And these were domestic (US) crashes: we got our news from a local paper that only covered monumenta...

Jump to post
by Armadillo1
Fri Nov 24, 2017 6:41 pm
Forum: Technical/Operations
Topic: Hypothetical windowless airliner questions (technical)
Replies: 26
Views: 2448

Re: Hypothetical windowless airliner questions (technical)

i think 6+9 +ld3/45 can be put in fuselage 6.5-6.7m diameter cargo cant be totaly disregarded. passenger deck must be 70sm over fuselage bottom. it is unclear about sides of fuselage look at this patent for example https://www.google.com/patents/US20100187352 also, i dont think windows obstruct plac...

Jump to post
by Armadillo1
Thu Nov 23, 2017 5:07 pm
Forum: Technical/Operations
Topic: 6 wheel bogey
Replies: 24
Views: 2845

Re: 6 wheel bogey

http://fotografersha.livejournal.com/636256.html
you can see wheels individualy.

big axis contains big fans for brakes
-->

it is only your fantasy about "non-separated wheels"
what you mean in word "wheel"?

more pics here
http://fotografersha.livejournal.com/636256.html
you can see wheels individualy.

big axis contains big fans for brakes

Jump to post
by Armadillo1
Wed Nov 22, 2017 4:56 pm
Forum: Technical/Operations
Topic: 6 wheel bogey
Replies: 24
Views: 2845

Re: 6 wheel bogey

Image

Jump to post
by Armadillo1
Thu Nov 16, 2017 3:30 am
Forum: Technical/Operations
Topic: Why is the A343 "underpowered"?
Replies: 100
Views: 14504

Re: Why is the A343 "underpowered"?

The IAE SuperFan would have been less powerful than the CFM56-5C series. IAE projected that the SuperFan would have delivered between 28000 lbf and 32000 lbf, compared to the 31200 lbf to 34000 lbf for the CFM. The biggest hit was fuel efficiency, not power. SuperFanned A340 must be an A330 class M...

Jump to post
by Armadillo1
Fri Jun 02, 2017 9:00 pm
Forum: Technical/Operations
Topic: Why wasn't the 767-400 successful?
Replies: 3
Views: 758

Re: Why wasn't the 767-400 successful?

i'm afraid you thinks too optimistic about search here i found some topics: http://www.airliners.net/forum/viewtopic.php?t=213801 http://www.airliners.net/forum/viewtopic.php?t=235661 http://www.airliners.net/forum/viewtopic.php?t=261493 http://www.airliners.net/forum/viewtopic.php?t=580341 http://w...

Jump to post
by Armadillo1
Mon May 15, 2017 11:32 pm
Forum: Civil Aviation
Topic: MC-21 Development Thread
Replies: 337
Views: 82583

Re: MC-21 To Roll Out On June 8

Any idea why the MS21-300 uses the PW1400G engine instead of the PD-14? PD-14 will be ready to fly in late summer. Why do not use already flying engine for test craft? Now anyone have any idea why winglets aren't in the orignal design? somebody says its all about 36m class C box. The wing very clos...

Jump to post
by Armadillo1
Sat May 06, 2017 12:30 am
Forum: Technical/Operations
Topic: Wheel Loads
Replies: 11
Views: 1087

Re: Wheel Loads

359 and MD11ER must be have higher wheel load

Jump to post
by Armadillo1
Sun Apr 30, 2017 1:39 pm
Forum: Civil Aviation
Topic: Will twinjets be replaced by monojets? Consequences on ETOPS and engine failure?
Replies: 55
Views: 8107

Re: Will twinjets be replaced by monojets? Consequences on ETOPS and engine failure?

less engine hours (in trade for more start cycles for aux), light and simple aux engine with less fuel efficiency, but less dead weight, and may be beter fuel efficiency (1 *100%trust on cruise versus 2*(50-60)%)

Jump to post
by Armadillo1
Sat Apr 29, 2017 8:53 pm
Forum: Civil Aviation
Topic: Will twinjets be replaced by monojets? Consequences on ETOPS and engine failure?
Replies: 55
Views: 8107

Re: Will twinjets be replaced by monojets? Consequences on ETOPS and engine failure?

future aircraft will be with 1 cruise engine (unducted contra-prop may be), + 1 take-off engine (common turbofan), powering on take-off, landing and etops option only.

Jump to post
by Armadillo1
Tue Apr 25, 2017 8:23 pm
Forum: Technical/Operations
Topic: Current record for aircraft with most flight hours/cycles?
Replies: 25
Views: 9668

Re: Current record for aircraft with most flight hours/cycles?

I hope this is not "too old" topic.

why 777 and a330 going to scrap so early comparing to 744 and MD11?

(from other old topic:
MD-11, Lufthansa Cargo, S/N 48413, L/N 488, D-ALCO, 139.224h 25.272cyc (31.12.2010)
)

Jump to post

Go to advanced search