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Old 01-24-2019, 10:27 PM
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Cool Yakovlev Yak 30-MaksArt

Continuing my first generation Soviet jets,
Yakovlev Yak-1000 YG-model

https://en.wikipedia.org/wiki/First-...on_jet_fighter

So far I built the Yak-15, Yak-17W, Yak 1000, Suchoi 9 ( 1st designation ) and Mig-9.Those I have. In addition, I built the Yak-17, Yak-23 and the Lavochkin La-15. However those last 3 were given away as gifts.
Note: I have built multiple versions of the Mig-15. However, those were really generation 1.5, but are considered first generation fighters as well.

here is my next build. It is the Yak 30 first designation.
https://en.wikipedia.org/wiki/Yakovlev_Yak-30_(1948)

A bit background. Yakovlev design bureau was looking to go beyond their very first jets which were a Pod and Boom configuration ( Yak 15 , 17 and 23 derivatives ). Those earlier jets were adaptation of piston powered aircraft in which jet engine was grafted to the nose. A better location for the engine was in the middle or in the back of the fuselage. Yakovlev design first came up with the Yak 19 which had a straight wing and tail like the FJ-1 Fury of the US Navy, or the Dassault Ouragan. However, that plane was found to have shortcoming and was not suitable for operational use. The next version retained the wings, but had a swept tail. While better, it was not good enough. The next version was the Yak 30 which is the subject of the build. That aircraft had the wings and tail surfaces all swept back and a more powerful engine. While a better plane, it was decided to go with the Mig-15 design which already entered production and surpassed the Yak design.

I will build both the Yak 19 and the Yak 25 later on as well. All those are available for download from MaksArt. My Yak 30 kit however was purchased in printed form printed by YG company.


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  #2  
Old 01-24-2019, 10:38 PM
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Exclamation Aircraft reference

I always research the planes I build. Here are some pages from Yefim Gordon's book of early Soviet jets

Yakovlev Yak 30-MaksArt-img_8294.jpg

Yakovlev Yak 30-MaksArt-img_8295.jpgYakovlev Yak 30-MaksArt-img_8296.jpgYakovlev Yak 30-MaksArt-img_8297.jpgYakovlev Yak 30-MaksArt-img_8298.jpgYakovlev Yak 30-MaksArt-img_8300.jpg


Note:

Even though the Yak 30 looks like the Mig-15 or the French Dassault Mystere, it is a much smaller aircraft. Both in length and span.

Specifications (Yak-30)

Length: 8.58 m (28 ft 2 in)
Wingspan: 8.65 m (28 ft 5 in)
Wing area: 15.1 m2 (163 sq ft)
Empty weight: 2,415 kg (5,324 lb)
Gross weight: 3,305 kg (7,286 lb) clean
Max takeoff weight: 3,630 kg (8,003 lb) with drop tanks
Powerplant: 1 × Klimov RD-500 centrifugal compressor turbojet engine, 15.9 kN (3,600 lbf) thrust


Specifications (Mystère IVA)

Length: 12.89 m (42 ft 3​1⁄2 in)
Wingspan: 11.12 m (36 ft 5​3⁄4 in)
Height: 4.60 m (15 ft 1 in)
Wing area: 32.06 m² (345.1 ft²)
Empty weight: 5,860 kg (12,919 lb)
Loaded weight: 8,510 kg (18,100 lb)
Max. takeoff weight: 9,500 kg (20,944 lb) [14]
Powerplant: 1 × Hispano-Suiza Verdon 350 turbojet, 34.32 kN (7,716 lbf)


Specifications (MiG-15bis)

Length: 10.102 m (33 ft 2 in)
Wingspan: 10.085 m (33 ft 1 in)
Height: 3.7 m (12 ft 2 in)
Wing area: 20.6 m² (221.7 ft²)
Airfoil: TsAGI S-10 / TsAGI SR-3
Empty weight: 3,681 kg (8,113 lb)
Loaded weight: 5,044 kg (11,177 lb)
Max. takeoff weight: 6,106 kg (13,458 lb) with 2 × 600 l (130 imp gal; 160 US gal) drop tanks
Fuel capacity: 1,420 l (310 imp gal; 380 US gal)
Powerplant: 1 × Klimov VK-1 centrifugal-flow turbojet, 26.5 kN (5,950 lbf)


Isaac
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Old 01-24-2019, 10:50 PM
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The kit

I purchased the printed kit published by YG company from GPM in Poland. It is an average kit of relatively simple but elegant construction suitable for anyone that has some experience building paper planes.

The parts are all monochromatic simulating bare metal ( but not convincing as they are more light grey of color ). However, I found it to be pleasing in layout. Also the entire model fits on 3 A4 sheets with the rest having good computer generated graphics.

Here are some pics
Yakovlev Yak 30-MaksArt-img_8286.jpgYakovlev Yak 30-MaksArt-img_8293.jpg

Yakovlev Yak 30-MaksArt-img_8288.jpgYakovlev Yak 30-MaksArt-img_8289.jpgYakovlev Yak 30-MaksArt-img_8290.jpg

Yakovlev Yak 30-MaksArt-img_8291.jpgYakovlev Yak 30-MaksArt-img_8292.jpgYakovlev Yak 30-MaksArt-img_8608.jpgYakovlev Yak 30-MaksArt-img_8610.jpg



Note: This and a few other designs are from MaksArt and available for free downloads from his web site. However, they are not 100% the same as the YG published printed versions. I will build the downloaded versions of the Yak-19 and Yak-25 and compare later.



Isaac
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Old 01-25-2019, 08:47 AM
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Exclamation Fuselage parts

The fuselage is a simple set of rounded cross sectional pieces.

parts
Yakovlev Yak 30-MaksArt-img_8609.jpg

disks
Yakovlev Yak 30-MaksArt-img_8611.jpg

Note:
For whatever reason, this one as well as some other of MaksArt models have no glue tabs in the axial direction ( front to back ). However, those are straight pieces and easily made.
Yakovlev Yak 30-MaksArt-img_8618.jpg


When gluing the tabs for open section around the cockpit opening, make sure you orient them properly. But in reality the parts are all round, so it makes no difference.
Yakovlev Yak 30-MaksArt-img_8619.jpg

Here is the center section with the cutouts for the main gear wells.
Yakovlev Yak 30-MaksArt-img_8620.jpg

And all the rolled sections ready
Yakovlev Yak 30-MaksArt-img_8621.jpg


Isaac
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Old 01-25-2019, 11:34 PM
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Exclamation Fuselage construction

We will start from the back section and go toward the center section first


Exhaust duct is simple with only two parts
Yakovlev Yak 30-MaksArt-img_8622.jpgYakovlev Yak 30-MaksArt-img_8624.jpg


glue the aft fuselage sections going forward
Yakovlev Yak 30-MaksArt-img_8625.jpg


insert the exhaust
Yakovlev Yak 30-MaksArt-img_8626.jpgYakovlev Yak 30-MaksArt-img_8627.jpg


then insert the aft frame
Yakovlev Yak 30-MaksArt-img_8628.jpgYakovlev Yak 30-MaksArt-img_8629.jpgYakovlev Yak 30-MaksArt-img_8630.jpg


continue forward
Yakovlev Yak 30-MaksArt-img_8631.jpgYakovlev Yak 30-MaksArt-img_8632.jpgYakovlev Yak 30-MaksArt-img_8633.jpg


Isaac
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Old 01-25-2019, 11:42 PM
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Another great build. I look forward to the day I walk into the USAF Museum and see the Isaac paper model display. They may have to add another hanger to accommodate the collection.
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Old 01-25-2019, 11:57 PM
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Cool

Quote:
Originally Posted by Knife View Post
Another great build. I look forward to the day I walk into the USAF Museum and see the Isaac paper model display. They may have to add another hanger to accommodate the collection.
Thanks for the complement. So far, I displayed 3 times at the Air Force museum and will probably do it a few more times throughout the year. I can bring over 60 models if needs be, but usually bring 15 or so at a time.


Also
I will be traveling down to Florida during most of February ( staying just south of Tallahassee ). Let me know if you are around there.



Isaac
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Old 01-26-2019, 08:35 AM
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Exclamation Fuselage forward sections

At this point, I am shifting toward the front where the air inlet is at. The reason is that this model construction needs to have the forward and aft fuselage sections meet at the cylindrical center from either side.

The nose section contains the inlet, the splitter and the landing gear. There is also provision for the gun ports, but I decided not to add those.


here is the nose section, note the nose gear landing gear bay cut out.
Yakovlev Yak 30-MaksArt-img_8634.jpg

and inlet parts
Yakovlev Yak 30-MaksArt-img_8636.jpgYakovlev Yak 30-MaksArt-img_8637.jpg

installed
Yakovlev Yak 30-MaksArt-img_8638.jpg


going aft
Yakovlev Yak 30-MaksArt-img_8641.jpg


now add the nose gear bay housing and reinforce the sides with card stock.
Also, I added a small weight to make sure the model sits properly on all 3 wheels later on.
Yakovlev Yak 30-MaksArt-img_8643.jpg

now close it up with the rear disk 1.17, however, either it is too small diameter or the gear bay is in the way and the part is too small. I will fix it.

Yakovlev Yak 30-MaksArt-img_8645.jpg


Isaac
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Old 01-26-2019, 08:49 AM
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Exclamation Fuselage continued

Here are all the fuselage sections to be joined.

Yakovlev Yak 30-MaksArt-img_8646.jpg


We will end up with two sections before final joining in the middle.


Isaac
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Old 01-26-2019, 08:58 AM
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MacSongLi MacSongLi is offline
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Great looking fuselage, Issac. I didn't know that the Yak 30 was so small. It will be interesting to see the size difference when the Yak is added to your MiG-15 collection.


Thanks,
Gary
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