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  #11  
Old 02-09-2020, 12:01 AM
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Have you started work on the model yet?
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  #12  
Old 02-16-2020, 09:43 PM
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Thinking about it.
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Old 02-17-2020, 08:59 AM
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Quote:
Originally Posted by Isaac View Post
The next phase is hybrid electric power.
Isaac
I doubt we will ever get to that with possible exception for planes about the size of Learjet.

In 10-20 years we will have another set of problems to solve.Look back 10-20 ago and you can almost see where we are heading technologically.
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Old 02-17-2020, 01:26 PM
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10-20 years ago were the 787 battery fires, weren't they? When I was a fueler, we used to joke how even after they went all electric, we'd still have a job because the only way they could ensure a quick turnaround was to have precharged batteries standing by, and somebody would have to swap them out. Kinda like with cordless drills nowadays.
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Old 02-17-2020, 09:13 PM
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Originally Posted by murphyaa View Post
Thinking about it.
Curiosity point about your Twin-Yak-Jet machine: Does it have separate fuel systems for the recip engines and the jet? Or does the jet engine run on avgas, like the jets of a C-123?
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  #16  
Old 02-17-2020, 10:41 PM
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Here's the official page for the Yak-110. I saw some posts about the development of this beast. It would be awesome to see in person.

https://yak110.com/
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  #17  
Old 02-18-2020, 03:49 PM
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That official page doesn't seem to have any specs, but it did include the email address for pilot Jeff Boerboon. He promptly replied that the Yak 110 has three fuel tanks -- each recip engine has an outer wing tank for avgas, and the center wing tank holds jet fuel.

So now I have to wonder if the C-123 was the only plane that ran jets on avgas.
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Old 02-18-2020, 06:01 PM
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Originally Posted by murphyaa View Post
10-20 years ago were the 787 battery fires, weren't they?
The power of the internet is in our pockets, and people still wont make the effort to use it...

https://en.wikipedia.org/wiki/Boeing...ttery_problems
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Old 02-29-2020, 01:38 PM
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I recently found a book published by the Smithsonian Museum in 1981 that details the aircraft in their collection at the time. It has pictures, small 3-views, history, and circumstances of how they acquired the craft. I was reading about the Langley Aerodrome, and finally found the answer to a question I've asked every time I've seen it: How did it land? It has no wheels, and the kingposts and propellors extend below the fuselage. The answer: After it ran out of fuel, it landed in the water.
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Old 02-21-2021, 09:56 PM
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Had another random thought today. I was reading up on the future of aviation, and ran across Airbus's E-Jet-X, which is a BAE-146 with one engine replaced by an electric fan. Which got me to thinking...

What if instead of the all or nothing approach to replacing jet engines (Planes will either be all electric, or all jet), they released a hybrid? Maybe have 1 or two jet engines on the tail that in normal circumstances operate at 50% or so thrust at all times, and 2 or more electric fans on the wings that provide the majority of the thrust. The regular jets can also turn generators that charge batteries and power the wing motors. In an emergency, ie: loss of the jets, the batteries can power the electric motors long enough to land at the nearest airport, or if the electric motors fail, the jets can be run up to 100% thrust to get the plane to the nearest airport. IT definitely would be more fuel efficient than a full jet aircraft, and probably cheaper than a full electric aircraft.
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