kitplane01
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Very Strange Airliner Concepts

Sat Aug 12, 2017 6:13 am

The Yak-40 is a small, three-engined airliner. It is the world's first commuter trijet. The maiden flight was made in 1966, and it was in production from 1967 to 1981. They made over 1,000 of them.

It has three engines each producing 3,300 lbs thrust. That's comparable to a small-ish business jet. It held ~30 passengers.

Three engines for 30 passengers! That's 10 passengers per engine!

What a very strange airliner. Even in 1966, that's weird. Can anyone suggest another very strange airliner that actually was produced in quantity.Image
 
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PatrickZ80
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Re: Very Strange Airliner Concepts

Sat Aug 12, 2017 9:22 am

I'd say the BAE-146 / Avro RJ qualifies for this. Four engines for such a small aircraft. The high wings also make it look unusual.
 
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Vasu
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Re: Very Strange Airliner Concepts

Sat Aug 12, 2017 9:28 am

The an-72 / an-74 for its unusual engine positioning!
 
PanHAM
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Re: Very Strange Airliner Concepts

Sat Aug 12, 2017 9:34 am

Economics was not am issue in the Soviet Union
Was Erlauben Erdogan!!!
 
ChrisKen
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Re: Very Strange Airliner Concepts

Sat Aug 12, 2017 10:07 am

Most are not strange when you look at the design brief. The solutions tend to be logical.

Yak 40 was designed to get in and out of short & rough airfields. Trijet was required to provide the STOL performance/capability.

Similar for the Avro 146/RJ. Would have gone with a twin jet config but no engines available that could provide the required thrust during initial design. The four engine config then gave better short take take-off/hot&high performance and redundancy.
 
PanHAM
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Re: Very Strange Airliner Concepts

Sat Aug 12, 2017 2:00 pm

Noise was another issue due to he four engines the Avro146/RJ was rather quiet for it's time. Sir Peter Abeles of NT bough a roundnumber for the European overnigt Network and i thin there are still some RJ freighters lfying today.
Was Erlauben Erdogan!!!
 
EWRandMDW
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Re: Very Strange Airliner Concepts

Sat Aug 12, 2017 2:54 pm

VFW614. I wish I had been able to fly in one. It would have been interesting!
 
c933103
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Re: Very Strange Airliner Concepts

Sat Aug 12, 2017 3:30 pm

Falcon business jets are also three-engined
 
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PatrickZ80
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Re: Very Strange Airliner Concepts

Sat Aug 12, 2017 3:43 pm

By the way, the Concorde also looked rather weird when you think about it. Very different from a conventional airliner.
 
ACDC8
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Re: Very Strange Airliner Concepts

Sun Aug 13, 2017 5:09 am

PatrickZ80 wrote:
I'd say the BAE-146 / Avro RJ qualifies for this. Four engines for such a small aircraft. The high wings also make it look unusual.

Given the fact that the Bae146/Avro RJs are STOL aircraft, the design was had a purpose.
PatrickZ80 wrote:
By the way, the Concorde also looked rather weird when you think about it. Very different from a conventional airliner.

Ummm, the Concorde is very different from a conventional airliner.
A Grumpy German Is A Sauerkraut
 
FlySSC
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Re: Very Strange Airliner Concepts

Mon Aug 14, 2017 2:51 am

The Fokker VFW614 look really weird to me ... also the Lockheed L-1329 Jet Star
 
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CaptnSnow71
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Re: Very Strange Airliner Concepts

Mon Aug 14, 2017 8:11 am

I did not know about the Yak-40 before this, but now I love it.
 
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CALTECH
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Re: Very Strange Airliner Concepts

Sun Aug 20, 2017 8:49 pm

East German

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