Search found 160 matches

by chornedsnorkack
Sun Jan 05, 2020 3:52 pm
Forum: Technical/Operations
Topic: What is "U" in UAV?
Replies: 10
Views: 1150

Re: What is "U" in UAV?

A UAV has no one on board, by definition. They can either be controlled remotely from a ground station or flying themselves along a pre-programmed route. So what would be the term applicable to plane which does have human/s on board but which is being controlled remotely (whether from a ground stat...

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by chornedsnorkack
Sun Jan 05, 2020 9:34 am
Forum: Technical/Operations
Topic: What is "U" in UAV?
Replies: 10
Views: 1150

What is "U" in UAV?

Well, it is "Unmanned" Aerial Vehicle.
Unmanned in which sense?
Is a plane "unmanned" when there is no man present on board? Or when none of the men on board is (currently?) piloting the plane?

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by chornedsnorkack
Tue Dec 10, 2019 8:51 am
Forum: Technical/Operations
Topic: human-powered aircraft
Replies: 18
Views: 1686

Re: human-powered aircraft

Maybe 10 m wingspan and anywhere between 70-200 kg: Birds != Pterosaurs Birds are homeothermic, and their feathers have the other crucial function of thermal insulation and regulation. If you can do away with feathers (which uses up a lot of nutrition to begin with), you can go for an extremely thi...

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by chornedsnorkack
Sun Nov 17, 2019 10:28 am
Forum: Aviation Hobby
Topic: Which Plane Would You Buy?
Replies: 68
Views: 15012

Re: Which Plane Would You Buy?

GalaxyFlyer wrote:
Plus much easier to deal with on the ground.

G7500 has 31,7 m wingspan. A221 has 35,1 m. Is it really so much harder?

If your airport does not fit 30+ m wings, how about Falcon 8X?

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by chornedsnorkack
Sat Nov 16, 2019 6:20 pm
Forum: Aviation Hobby
Topic: Which Plane Would You Buy?
Replies: 68
Views: 15012

Re: Which Plane Would You Buy?

How would you like a A220-100 with VIP interior?

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by chornedsnorkack
Mon Nov 04, 2019 5:00 pm
Forum: Civil Aviation
Topic: Future aircraft for LCY
Replies: 75
Views: 12803

Re: Future aircraft for LCY

SwissCanuck wrote:
The runway at YTZ is 300m shorter than LCY for one. So you couldn't do the distance with a useable payload.


That´s nominal length, though. With the buildings on the approaches of LCY, how does the usable length and TOW compare?

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by chornedsnorkack
Mon Nov 04, 2019 8:40 am
Forum: Civil Aviation
Topic: Future aircraft for LCY
Replies: 75
Views: 12803

Re: Future aircraft for LCY

From the article, there's a point made about an all-business layout for the A220. To JFK, perhaps IAD and BOS. Would there be other destinations in Europe or the Middle East that are appealing for this layout? Thanks. In New York, La Guardia has a perimetre rule that only has exception for Saturday...

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by chornedsnorkack
Sun Nov 03, 2019 8:46 pm
Forum: Civil Aviation
Topic: Future aircraft for LCY
Replies: 75
Views: 12803

Re: Future aircraft for LCY

Flew couple of times to LCY from various EU capitals and always appreciated the very short time you spent in the terminal compared to other big airports. Does some airports with small runnways (1500-1600m) where mostly jet aircraft can't go (apart A220-100/318 and RJs) located nearby City Centers e...

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by chornedsnorkack
Sat Nov 02, 2019 7:44 am
Forum: Civil Aviation
Topic: Chinese airlines hit 3.1 billion USD loss in 2018 on international service
Replies: 50
Views: 12347

Re: Chinese airlines hit 3.1 billion USD loss in 2018 on international service

I notice that there's a growing proportion of foreigners that fly MU, not just mainland Chinese even if most of the sales are heavily in favor of China point of sale. I would imagine this is also the case with CA and CZ at least, and perhaps MF, HU and 4U (Sichuan Airlines) as well. If you ask me, ...

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by chornedsnorkack
Sat Nov 02, 2019 7:30 am
Forum: Civil Aviation
Topic: Chinese airlines hit 3.1 billion USD loss in 2018 on international service
Replies: 50
Views: 12347

Re: Chinese airlines hit 3.1 billion USD loss in 2018 on international service

Can someone provide the breakdown of these subsidies by the Chinese government involved? This is highly relevant. China is not formally "federal" the way USA is, but in practice provinces and prefecture level cities seem to have lots of budgetary leeway. Also I suggest that China might nee...

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by chornedsnorkack
Fri Nov 01, 2019 6:07 am
Forum: Civil Aviation
Topic: Future aircraft for LCY
Replies: 75
Views: 12803

Re: Future aircraft for LCY

From the article, there's a point made about an all-business layout for the A220. To JFK, perhaps IAD and BOS. Would there be other destinations in Europe or the Middle East that are appealing for this layout? Thanks. In New York, La Guardia has a perimetre rule that only has exception for Saturday...

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by chornedsnorkack
Thu Oct 31, 2019 3:45 pm
Forum: Civil Aviation
Topic: Future aircraft for LCY
Replies: 75
Views: 12803

Re: Future aircraft for LCY

Concerning widebodies, LCYis quoted to between 1199 and 1508 m. Well, Rand Airport is 1712 m, but high (1671 m) and hot - and two 747s are parked at Rand. A220-100 is quoted to need 1463 m runway at MTOW and ISA, and have a range of 3400 nm with 120 passengers at that. Since A220-100 has a range of ...

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by chornedsnorkack
Fri Jul 19, 2019 6:03 pm
Forum: Civil Aviation
Topic: Would A321XLR open the door for non-stops between US west coast and CTS?
Replies: 51
Views: 8215

Re: Would A321XLR open the door for non-stops between US west coast and CTS?

The range of Boeing 707-320C is quoted as 5000 nm with 151,5 t MTOW and payload of 141 passengers and baggage (18J+123Y) DC-8-62 range is quoted as 5200 nm with 158,8 t MTOW and 189 passengers. So how does A321XLR compare to 707 and DC-8-62 in more details? Which transpacific lines got served by 707...

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by chornedsnorkack
Mon Jul 15, 2019 3:49 pm
Forum: Civil Aviation
Topic: Would A321XLR open the door for non-stops between US west coast and CTS?
Replies: 51
Views: 8215

Re: Would A321XLR open the door for non-stops between US west coast and CTS?

With the nominal range of 4700 nm, what would be the practical range upwind? YVR-NRT is 4061 nm, YVR-CTS 3726 nm. Is it feasible westbound? The A321XLR should easily be able to fly 4000nm into the strongest headwinds. It should be able to do most routes up to 4300nm From Hawaii the XLR could fly to...

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by chornedsnorkack
Sun Jul 14, 2019 6:57 am
Forum: Civil Aviation
Topic: Would A321XLR open the door for non-stops between US west coast and CTS?
Replies: 51
Views: 8215

Re: Would A321XLR open the door for non-stops between US west coast and CTS?

Indeed it seems this aircraft's range unlocks those routes, but this is actually not true. This range would be in still air, but the air isn't still. Far from it. In the north Pacific you'd be flying against some of the strongest winds on the planet, which would greatly reduce the aircraft range. I...

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by chornedsnorkack
Tue May 28, 2019 8:05 am
Forum: Civil Aviation
Topic: A220 gets 2.3T MTOW increase
Replies: 246
Views: 40392

Re: A220 gets 2.3T MTOW increase

It should be noted that the A220-100 gets a 450nm increase in range I wonder what maximum range Airbus could squeeze out of a 19-pax, VIP configured A221 at this increased MTOW...taking into account the usual reserves for holding and alternates? :scratchchin: Increased to what? The present increase...

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by chornedsnorkack
Sun Apr 14, 2019 11:08 am
Forum: Military Aviation & Space Flight
Topic: Stratolaunch Discussion Thread
Replies: 284
Views: 100788

Re: Stratolaunch‘s Carrier Aircraft Production

UA947 wrote:
chornedsnorkack wrote:
An-225 never was the biggest plane.

Although the Spruce Goose is higher and has a bigger wingspan than the An-225, the latter is over 17 meters longer. So, which is bigger?

Stratolauch is also shorter than An-225.

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by chornedsnorkack
Sun Apr 14, 2019 8:57 am
Forum: Military Aviation & Space Flight
Topic: Stratolaunch Discussion Thread
Replies: 284
Views: 100788

Re: Stratolaunch‘s Carrier Aircraft Production

Nice !! And not very relevant but yet interesting, from now on the world’s largest aircraft has a US flag instead the russian one. Will be weird to see the An-225 as ”just another big plane” but not the biggest. An-225 never was the biggest plane. Stratolaunch is the first plane in 72 years to be b...

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by chornedsnorkack
Sun Dec 30, 2018 7:05 pm
Forum: Civil Aviation
Topic: Would a B-52 passenger variant have been possible?
Replies: 95
Views: 14756

Re: Would a B-52 passenger variant have been possible?

KC-135 does NOT actually have 707 fuselage. Convair XC-99 had a different fuselage from B-36, too.

What should a B-52 based liner fuselage have been like? And how should it have compared against 707?

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by chornedsnorkack
Sun Sep 23, 2018 5:49 pm
Forum: Civil Aviation
Topic: How come quads outlasted trijets?
Replies: 86
Views: 16157

Re: How come quads outlasted trijets?

Why were DC-10 and Tristar ever invented as trijets in the first place? Couldn´t a small widebody quadjet like Il-86 (but with better engines!) have worked?

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by chornedsnorkack
Sat Aug 18, 2018 5:09 pm
Forum: Civil Aviation
Topic: What will supersede the Boeing 717
Replies: 78
Views: 12858

Re: What will supersede the Boeing 717

How much in common does ARJ21 have with B717? And how good would ARJ21 engines be for the short cycles?

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by chornedsnorkack
Fri Aug 17, 2018 11:09 am
Forum: Civil Aviation
Topic: AY captain tests 1.5 per mille alcohol level in HEL
Replies: 18
Views: 4396

Re: AY captain tests 1.5 per mille alcohol level in HEL

On arrival, or on attempt to depart?

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by chornedsnorkack
Thu Aug 16, 2018 1:19 pm
Forum: Civil Aviation
Topic: 60 years ago today, Pan Am received its first 707
Replies: 107
Views: 12499

Re: 60 years ago today, Pan Am received its first 707

Revelation wrote:
One small issue: I think you meant to type DC-8 not DC-9 on the last line.

Oops! Yes, I did.
Of the classics, Convair 880 started service in May 1960, with Delta. B727, VC10 and Trident in 1964. BAC 1-11 and DC-9 both in 1965.

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by chornedsnorkack
Thu Aug 16, 2018 8:34 am
Forum: Civil Aviation
Topic: 60 years ago today, Pan Am received its first 707
Replies: 107
Views: 12499

Re: 60 years ago today, Pan Am received its first 707

That was delivery. Entry into service of classical jets was: Comet - 2nd of May, 1952, BOAC, London-Johannesburg, said to be five-stop Tu-104 - 15th of September, 1956, Aeroflot, Moscow-Omsk-Irkutsk Comet return after grounding - 4th of October, 1958, BOAC, London-Gander-Idlewild 707 - 26th of Octob...

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by chornedsnorkack
Thu Aug 16, 2018 5:10 am
Forum: Technical/Operations
Topic: Supersonic Business Jet Engines
Replies: 24
Views: 2603

Re: Supersonic Business Jet Engines

The nacelle is really the biggest challenge. Variable inlets are a must (it can be as simple as Douglas's boundry layer control). Lightsaber Concorde´s intake ramps were not actually moving until Mach 1,7. A supersonic plane optimized to stay under Mach 1,7, cruising at Mach 1,5 or Mach 1,6, could ...

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by chornedsnorkack
Wed Aug 01, 2018 6:06 pm
Forum: Technical/Operations
Topic: Supersonic Business Jet Engines
Replies: 24
Views: 2603

Re: Supersonic Business Jet Engines

There were built quite a lot of subsonic jets with zero bypass. Yes, inefficient and loud. JT8D has bypass ratio of 0,96. And it is installed on 727, 737 and DC-9 all the way to MD-80 (only MD-90 has higher bypass). Kuznetsov NK-321 has bypass ratio of 1,4, and it is on Tu-160 and Tu-144, both of wh...

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by chornedsnorkack
Wed Aug 01, 2018 4:01 am
Forum: Travel, Polls & Preferences
Topic: Commercial airplane in general aviation
Replies: 27
Views: 2004

Re: Commercial airplane in general aviation

exFWAOONW wrote:
I always thought it would be cool to have my own DC9-30. I'd add aux tanks in bin 2 and fly it to my island NW of HNL.

No harping on fuel use. If I can afford an island in this fantasy, I can surely afford the fuel.


Which island there?

Big Bunny, or another DC-9-30?

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by chornedsnorkack
Sun Jul 29, 2018 3:35 pm
Forum: Travel, Polls & Preferences
Topic: Commercial airplane in general aviation
Replies: 27
Views: 2004

Re: Commercial airplane in general aviation

Like you own the turboprop/regional jet and you solo fly it purely for recreational purposes. Is that legal even for recreational purposes? It is a transport category plane. But consider an owner who flies: Challenger 650 (a pure private jet, not commercial) Challenger 850 (a commercial CRJ200 fitt...

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by chornedsnorkack
Sun Jul 29, 2018 7:28 am
Forum: Travel, Polls & Preferences
Topic: Commercial airplane in general aviation
Replies: 27
Views: 2004

Re: Commercial airplane in general aviation

Fly as a passenger, fly as a pilot, fly at some other required crew position?
Like a flight attendant, or flight engineer?

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by chornedsnorkack
Sat Jul 28, 2018 4:07 pm
Forum: Travel, Polls & Preferences
Topic: Commercial airplane in general aviation
Replies: 27
Views: 2004

Re: Commercial airplane in general aviation

So what are the minimum certification requirements for a pilot operating under Part 125 who is not remunerated for the service?
What are the minimum certification requirements for an unremunerated pilot in command of a part 125 plane?

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by chornedsnorkack
Sun Jul 08, 2018 8:20 am
Forum: Technical/Operations
Topic: Future of trijets
Replies: 49
Views: 4009

Re: Future of trijets

Max Q wrote:
When I win the lottery I’ll
have a Falcon 50

Like a mini 727

Dassault builds some of the most beautiful aircraft in the world and best flying from what I understand


Falcon 50 is not in production.
900 is.

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by chornedsnorkack
Thu Jul 05, 2018 9:10 pm
Forum: Technical/Operations
Topic: Future of trijets
Replies: 49
Views: 4009

Re: Future of trijets

The 6X cabin is competitive in size and, at advertised range of 5500nm, competitive there, too. Not against 650ER and Global 7000. What a tri-motor advantages would there be? What trimotor advantages did 7X have over 2000? Could Dassault build a 3-engine 9X, yeah, of course. The 7X was a clean shee...

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by chornedsnorkack
Thu Jul 05, 2018 7:16 pm
Forum: Technical/Operations
Topic: Future of trijets
Replies: 49
Views: 4009

Re: Future of trijets

Well, the Falcon are the only tri-motors in production and have been unique for 20 years now. Do you think Airbus/Boeing/Embraer/Lockheed Engineering is blind to the tri-motor design advantages? Falcon is building a 6X and I doubt they’ll build a clean sheet tri-motor again. The 7X hasn’t done all ...

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by chornedsnorkack
Tue Jul 03, 2018 8:47 pm
Forum: Technical/Operations
Topic: Future of trijets
Replies: 49
Views: 4009

Re: Future of trijets

You might study FAR 25 and the accompanying “acceptable means of compliance” documents and performance standards before designing. That design is neither certifiable, nor economical. Trident is a quad with three matching engines and fourth extra engine in centerline. How does the Trident fourth eng...

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by chornedsnorkack
Tue Jul 03, 2018 7:57 am
Forum: Technical/Operations
Topic: Future of trijets
Replies: 49
Views: 4009

Re: Future of trijets

How does Falcon 8X work?
What size engine would be needed for a trijet the size of Gulfstream 650ER or Global 8000?

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by chornedsnorkack
Mon Jul 02, 2018 5:39 pm
Forum: Technical/Operations
Topic: Future of trijets
Replies: 49
Views: 4009

Re: Future of trijets

garf25 wrote:
Who knows, if you think outside the box.....maybe we'll see single engine in the tail at some point.
And yes I know 'it would never happen' but who knows. Once reliability reaches a point where it's virtually 100%, then maybe......


How is the progress of Piperjet?

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by chornedsnorkack
Sat Jun 16, 2018 6:18 am
Forum: Travel, Polls & Preferences
Topic: Coolest Presidential Plane
Replies: 40
Views: 4827

Re: Coolest Presidential Plane

Concorde as is is problematic. Short range and requires a smooth (and long!) runway. Oh, and it is smaller than Constellation.
So basically a widebody.
Two engines are common. So are four engines (A340, Il-96).
The only widebodies to catch eye, besides the already mentioned A380, would be trijets.

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by chornedsnorkack
Wed Jan 10, 2018 1:32 pm
Forum: Civil Aviation
Topic: great article about flight attendants and the 60ft rule
Replies: 28
Views: 7802

Re: great article about flight attendants and the 60ft rule

It was allegedly a notable design constraint on A380.

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by chornedsnorkack
Sun May 07, 2017 4:51 pm
Forum: Civil Aviation
Topic: Sukhoi BJ delivered!
Replies: 11
Views: 3693

Re: Sukhoi BJ delivered!

http://www.superjetinternational.com/do ... ochure.pdf
offers 4000 nm with 19 passengers (page 18 of 21)
-->

Nean1 wrote:
Would anyone know the range of the aircraft?

This:
http://www.superjetinternational.com/do ... ochure.pdf
offers 4000 nm with 19 passengers (page 18 of 21)

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by chornedsnorkack
Sun May 07, 2017 7:21 am
Forum: Civil Aviation
Topic: Sukhoi BJ delivered!
Replies: 11
Views: 3693

Sukhoi BJ delivered!

https://www.comluxaviation.com/all/6994/
Supposedly 19 seats... though I do not understand where the sofa goes.

Are there any outstanding orders for CSeries BJ?
-->

To one Kazakhmys:
https://www.comluxaviation.com/all/6994/
Supposedly 19 seats... though I do not understand where the sofa goes.

Are there any outstanding orders for CSeries BJ?

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by chornedsnorkack
Thu May 04, 2017 4:09 pm
Forum: Civil Aviation
Topic: Long-haul flights out of LIN: possible?
Replies: 8
Views: 2288

Re: Long-haul flights out of LIN: possible?

Bombardier CS300 takes no restrictions out of LIN.
Does A319 operate out of LIN at full MTOW?

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by chornedsnorkack
Mon May 01, 2017 6:46 am
Forum: Civil Aviation
Topic: Will twinjets be replaced by monojets? Consequences on ETOPS and engine failure?
Replies: 55
Views: 8575

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

All the ones that matter do. Major An-2/Y-5 producing countries are Ukraine, Russia and China. What are their Part 23/Part 25 regulations? Especially concerning development of any upgraded An-2 variants, say with turbopropeller engines? 12 500 is a round number in pounds. It is not round in metric ...

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by chornedsnorkack
Sun Apr 30, 2017 6:35 am
Forum: Civil Aviation
Topic: Will twinjets be replaced by monojets? Consequences on ETOPS and engine failure?
Replies: 55
Views: 8575

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

Ahh I see what you mean. Either way, I dont see single-engine airliners being a thing, ever. They are. There is a widely popular airliner carrying lots of ticketed passengers. More than 9 seats, too. That´s An-2/Y-5. However, there are arguments against monojet: fuel efficiency. Lots of people have...

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by chornedsnorkack
Thu Apr 27, 2017 6:00 pm
Forum: Civil Aviation
Topic: CSeries - Flight Testing And Production Thread (Part 2)
Replies: 1856
Views: 255665

Re: CSeries - Flight Testing And Production Thread (Part 2)

http://commercialaircraft.bombardier.co ... ercom.html
-->

Seems that EASA and Transport Canada have officially certified steep approach capacity... up to which approach slope?
http://commercialaircraft.bombardier.co ... ercom.html

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by chornedsnorkack
Wed Apr 12, 2017 10:17 am
Forum: Civil Aviation
Topic: AMS can't grow because of safety concerns - Dutch safety board
Replies: 82
Views: 15169

Re: AMS can't grow because of safety concerns - Dutch safety board

If they were so concerned about "quality of life," then why the heck were they STUPID enough to move next to a major airport?! Funny thing how major airports tend to be located near densely populated large cities. It's also funny to note the use of the word "stupid". It has a te...

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by chornedsnorkack
Tue Apr 11, 2017 4:38 pm
Forum: Civil Aviation
Topic: Not So Cramped NarrowBody Transatlantic Service.
Replies: 86
Views: 18140

Re: Not So Cramped NarrowBody Transatlantic Service.

How many First Class seats did transatlantic 707 and DC-8 planes have in 1960s? I couldn't give you the exact figures but it is true that early on there was more First Class seats than Coach before the ratio switched around. Yet the Coach seating was at 6 abreast. So same situation as the 737 and A...

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by chornedsnorkack
Sat Apr 08, 2017 8:21 am
Forum: Civil Aviation
Topic: Not So Cramped NarrowBody Transatlantic Service.
Replies: 86
Views: 18140

Re: Not So Cramped NarrowBody Transatlantic Service.

ro1960 wrote:
Why were TTL flights at 6 abreast not a problem until the 747 came around and why is it one now? Specially if you talk about the 737 MAX wich has the same cabin characteristics as its forefather, the 707.


How many First Class seats did transatlantic 707 and DC-8 planes have in 1960s?

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by chornedsnorkack
Thu Mar 30, 2017 1:41 pm
Forum: Technical/Operations
Topic: Can CS100 range be extended?
Replies: 29
Views: 8935

Re: Can CS100 range be extended?

At ISA and PW1524G engines, the CS100 TOW with 40 seats (Odyssee Airlines config) at LCY (4000 feet) is 116000lb (MTOW - 18000lb). OWE 77650lb + Pax 9000lb = 86650lb, still enough place for 29350lb of fuel. If BA could get a waiver from the 100,000 lb limit at teterboro (TEB) would it make sense to...

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by chornedsnorkack
Sat Mar 25, 2017 8:19 am
Forum: Civil Aviation
Topic: CSeries - Flight Testing And Production Thread (Part 2)
Replies: 1856
Views: 255665

Re: CSeries - Flight Testing And Production Thread (Part 2)

@topic "Burden" of 10 CS1 in the LX fleet: Take off / Ldg performance of the CS1 is also important regarding several other airports of LX' network, e.g. Florence (Italy). Niche markets connections to Longhaul. Does CS100 suffer any TOW restrictions at Lugano? At Samedan? I read about 123 ...

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