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According to the marketeers at Lockheed, yes.Would airlines have placed those orders when we have what is presumably a more economical-to-operate plane coming online?
With one less engine, of course, but I think seating configurations enabled more passengers compared to early 767s IIRC.The airline would probably see twins as more profitable given that seating isn't that different but maintenance is presumably reduced by one-third?
According to the marketeers at Lockheed, yes.
With one less engine, of course, but I think seating configurations enabled more passengers compared to early 767s IIRC.
ETOPs-120 was approved in 1984 and that also hammered the L-1011. A 767-200 would burn about 3.5 tons less fuel on the same route. Spend a couple million upgrading a -200 to the ETOPs-120 requirements and it paid for itself rather quickly on fuel savings alone. Add in decreased maintenance costs, and it was even faster.
Does this home built Spit (gorgeous) have a serial number/builders plate?I used to work at the shop that built Bob Deford's Allison. That's a very nice airplane, very well built / detailed, and well-flown. The control stick is genuine Spitfire and it has about 95% of the performance of a genuine Spitfire. It still lacks a high-altitude boost system but, with today's IFR requirements, nobody flies warbirds way up there anyway. They like to be able to loop and roll and chase each other. So, there is no downside to the Allison's altitude performance today.
Those who think they could tell it apart from a real one need to know it is exactly the same size as an original. The real "giveaway" from 20 feet away is the lack of rivets in the wings. Mr. Deford usually doesn't push it too hard, but will mix it up with other warbirds at suitable power settings when they encounter each other. He's had one issue with the Allison, and was at speed over his home airfield when it happened, so it turned into a non-event. It was a broken part that didn't self-destruct the rest of the engine. Easy fix once the engine was pulled. Our shop had never seen that particular part fail before and hasn't seen it since, either.
This has been discussed through out other threads. As an A&P who worked on wood and metal aircraft, putting it in a nutshell, IMO wood sucks. Harder to repair, more susceptible to damage from elements, controlled environment needed for larger repairs, I can go on....,One thing that I do wonder about as far as the Mosquito, Hornet, and the front fuselages of the Vampire and Venom is how easy they were to repair from repairable/salvageable damage vs metal monocoque airframes? I'm well aware that those aircraft were durable if properly maintained, but what about repairs from flak/bullet/cannon shell holes or from forced landings? We do have to remember that the Mosquito/Hornet fuselages were built similar in construction to modern F1 cars, Indy Cars and Le Mans Prototype cars. Just replace carbon fiber reinforced polymer/aluminum honeycomb/carbon fiber reinforced polymer with aviation plywood/balsa wood/aviation plywood.
I read about the repair of a Mosquito on the airfield. The air crews were a bit concerned to see the people from de Havilland tearing the wings to bits with saws chisels and planes.One thing that I do wonder about as far as the Mosquito, Hornet, and the front fuselages of the Vampire and Venom is how easy they were to repair from repairable/salvageable damage vs metal monocoque airframes? I'm well aware that those aircraft were durable if properly maintained, but what about repairs from flak/bullet/cannon shell holes or from forced landings? We do have to remember that the Mosquito/Hornet fuselages were built similar in construction to modern F1 cars, Indy Cars and Le Mans Prototype cars. Just replace carbon fiber reinforced polymer/aluminum honeycomb/carbon fiber reinforced polymer with aviation plywood/balsa wood/aviation plywood.
I would love to see that if you happen to have a link.As with all aircraft types, the Mosquito had a range of approved repairs, to include cutting off entire sections of wing and splicing in new sections. There's a WW2 vintage film of the Mossie showing this work in progress. This is exactly the sort of battle damage that the repair was designed to address:
Yes, it does. It's a Deford Spitfire.Does this home built Spit (gorgeous) have a serial number/builders plate?