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yak 9 and yak 3


Adam Poultney

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3 minutes ago, Adam Poultney said:

Is this a Yak3 or a Yak9? Definitely not my area of expertise

 

Looks to be a new build Yak-3, in Normandie Nieman markings....

this one

https://www.cafsocal.com/our-aircrafts/our-aircraft-and-history/yak-3/

 

2017elCentro_060.jpg

 

https://revivaler.com/yakovlev-yak-3/

Yakovlev-Yak-3-vlcsnap-2016-04-11-18h44m

 

note the civil registration at the back of the arrow

 

see here for more on new build Yaks

https://en.wikipedia.org/wiki/Yakovlev_Yak-3#Modern_production_Yak_fighters

3 minutes ago, Adam Poultney said:

 

so I don't know how to tell which of the two very similar aircraft it is

in the same way all Vulcans look alike.... ;) 

 

A Yak-3 and a Yak-9 pretty different, they have different wing for starters...  there are a lot of details to take in with the Yak family,  I'd have to check to be sure what is what....

 

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1 hour ago, Nachtwulf said:

Another indication of it being a modern build is the Allison engine air intake on top of the cowl.

 

 

Not all the modern build Yak-3Ms with the Allison V-1710 engine have the engine air intake on top of the cowl.  A couple of the modern build Yak-3M owners/operators have gone to the trouble to rework the engine air intake ducting into the wing root intakes as per the original aircraft.  A more significant absence on most of the new builds is the gun barrel troughs and breech/feed mechanism bulges on the top panel cowling on the nose.

 

Example being VK-VVS "Full Noise" based at Omaka in NZ.

 

26623129447_2eb495a363_4k.jpgFull Noise Fast by Colin Ford, on Flickr

 

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Hi Adam,

 

the replica in your picture is indeed a Yak-3 but these were actually patterned based on the Yak-3 VK-107, a postwar, all-metal version of the wartime Yak-3 with an different engine. This version has its cockpit moved aft by 400mm (you can see that when checking the position of the glazing in relation to the belly radiator) which made it look similar in sideview to the Yak-9U. The only way to distinguish them with certainty is the wing planform which is different on the Yak-3 compared to all other Yak fighters.

Furthermore, while the air intake on the cowl is no doubt a concession to the American engine it was infact present on the VK-107 engined Yaks too.

 

Here an article about the Yak-3 VK-107 where you can compare the sideviews with your photo: https://massimotessitori.altervista.org/sovietwarplanes/pages/yak3/yak3vk107/yak3vk107.html

 

Cheers

Markus

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