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  #21  
Old 06-30-2020, 07:21 AM
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Exclamation Fuselage center section- part 1

Here is where the main landing gear housing is attached to.
Sukhoi Su-15 (1949) Model-Kom in 1/33-img_2019.jpg


The cut out
Sukhoi Su-15 (1949) Model-Kom in 1/33-img_2020.jpg


Joined
Sukhoi Su-15 (1949) Model-Kom in 1/33-img_2022.jpgSukhoi Su-15 (1949) Model-Kom in 1/33-img_2023.jpg


and the plain housing box.
Sukhoi Su-15 (1949) Model-Kom in 1/33-img_2025.jpg


The bays are glued from the inside using light pressure and try to fit around the cutout. Kind of small and very tight fit around the cut out. It should have been a bit larger so they fit better as there is plenty of room here.
Sukhoi Su-15 (1949) Model-Kom in 1/33-img_2026.jpgSukhoi Su-15 (1949) Model-Kom in 1/33-img_2027.jpgSukhoi Su-15 (1949) Model-Kom in 1/33-img_2028.jpgSukhoi Su-15 (1949) Model-Kom in 1/33-img_2029.jpg


I added a wood spar inside the fuselage to support the wing spars later on.
Sukhoi Su-15 (1949) Model-Kom in 1/33-img_2031.jpg


close up that section with bulkhead frame #8. Note, the hole in the frame is for the forward engine exhaust.
Sukhoi Su-15 (1949) Model-Kom in 1/33-img_2032.jpg


Isaac
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  #22  
Old 06-30-2020, 10:45 AM
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Exclamation Fuselage center section- part 2

Now add the transition part 13 to the center fuselage
Sukhoi Su-15 (1949) Model-Kom in 1/33-img_2033.jpgSukhoi Su-15 (1949) Model-Kom in 1/33-img_2034.jpg

The final part of the center fuselage is part 14. Note that the triangular colored section on the bottom is the rounded indent to allow for the forward engine to exhaust below the fuselage.
Sukhoi Su-15 (1949) Model-Kom in 1/33-img_2035.jpgSukhoi Su-15 (1949) Model-Kom in 1/33-img_2036.jpgSukhoi Su-15 (1949) Model-Kom in 1/33-img_2037.jpg

And installed
Sukhoi Su-15 (1949) Model-Kom in 1/33-img_2038.jpgSukhoi Su-15 (1949) Model-Kom in 1/33-img_2039.jpgSukhoi Su-15 (1949) Model-Kom in 1/33-img_2040.jpg

Isaac
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  #23  
Old 07-01-2020, 09:46 AM
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Exclamation Aft fuselage -section 15

Section 15 belongs to the aft fuselage boom section. Instead of completing it with the rest of the rear, I decided to add it to the center fuselage because it is round on both ends and easier to assemble.

here it is attached
Sukhoi Su-15 (1949) Model-Kom in 1/33-img_2042.jpg


and a close up of the lower exhaust section ( I snipped a bit too much of the triangular dark location when I had to make an adjustment. No worries, it will be touched up later ).
Sukhoi Su-15 (1949) Model-Kom in 1/33-img_2041.jpg



Here is the lower exhaust . Note: The kit provides a whole set of ducting and rear engine frame for this forward engine exhaust. However, it is nearly invisible . So why build it all. I elected to only use the small duct that extends outside. The 4 bent tabs are for centering it inside.


Here is the assembly
Sukhoi Su-15 (1949) Model-Kom in 1/33-lower-exh-duct-graphics.jpg

and here is what I chose to do:
Sukhoi Su-15 (1949) Model-Kom in 1/33-img_2043.jpg


Isaac
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Last edited by Isaac; 07-01-2020 at 10:17 AM.
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  #24  
Old 07-01-2020, 10:31 AM
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Exclamation Optional rear engine issue

The kit provides a complete ( although very plain and simple ) rear engine and exhaust duct assembly that can be installed.

In order to use it and have the rear fuselage removable multiple times, it would be necessary to make a more robust attachment, or display the model with the rear removed ( like I have done on my Mig-15 UTI ( which I modified to include in that model ).

Sukhoi Su-15 (1949) Model-Kom in 1/33-img_8194.jpgSukhoi Su-15 (1949) Model-Kom in 1/33-img_8181.jpgSukhoi Su-15 (1949) Model-Kom in 1/33-img_8186.jpg


However........
This is a very unusual experimental plane and is not known to many. So if it is split to display the engine, it will take away from the overall looks of the model. So for me, I elected not to build the engine.



Here is what Model-Kom shows of their built version:
Sukhoi Su-15 (1949) Model-Kom in 1/33-9.jpg

Sukhoi Su-15 (1949) Model-Kom in 1/33-8.jpg

Another option to consider is to build two engines later on and display next to the aircraft on stands. Your choice.

Isaac
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  #25  
Old 07-01-2020, 12:45 PM
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MacSongLi MacSongLi is offline
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Isaac,


I would agree that because the aircraft is so unusual (and the engine isn't very detailed), it should be built without the split fuselage.


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  #26  
Old 07-01-2020, 02:28 PM
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Cool

for educational purposes, maybe have a lengthwise fuselage only split showing the two engines installed ( like a fish fillet ).

Sukhoi Su-15 (1949) Model-Kom in 1/33-su-15-side-cutaway.jpg



Isaac
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  #27  
Old 07-02-2020, 07:31 AM
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Exclamation rear engine air intake

Even though, I decided no internal engines, I still wanted to see what this bulkhead will look like.


So here it is.
Sukhoi Su-15 (1949) Model-Kom in 1/33-img_2044.jpgSukhoi Su-15 (1949) Model-Kom in 1/33-img_2045.jpg

Sukhoi Su-15 (1949) Model-Kom in 1/33-img_2059.jpg

It will be installed and never be seen again.


Isaac
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  #28  
Old 07-02-2020, 12:06 PM
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MacSongLi MacSongLi is offline
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Quote:
Originally Posted by Isaac View Post
Even though, I decided no internal engines, I still wanted to see what this bulkhead will look like.


So here it is.
Attachment 421524Attachment 421525

Attachment 421526

It will be installed and never be seen again.


Isaac



At least you have a photo of it now.


Gary
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  #29  
Old 07-02-2020, 02:04 PM
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Exclamation Aft fuselage

The aft fuselage ( boom ) is simple conical/round sections.

I started at the very back. Parts 19-20.

However,
there is a provision to have separate air brakes.
unfortunately if I cut the inner portion out, the remaining ring on the section will be so flimsy as to make it super difficult to assemble
Sukhoi Su-15 (1949) Model-Kom in 1/33-air-brake-sketch.jpg



( I wish part 19 had more material; this is the designer thinking to cut out that portion after the entire rear is done.

Secondly, adding speed brakes in deployed position will just distract from the aircraft lines ( I will drop the flaps though later on ).

So here are the back sections 19/20 joined with a little relief cut.
Sukhoi Su-15 (1949) Model-Kom in 1/33-img_2048.jpg

continue adding sections going forward
Sukhoi Su-15 (1949) Model-Kom in 1/33-img_2049.jpgSukhoi Su-15 (1949) Model-Kom in 1/33-img_2050.jpg


and more forward sections to the boom
Sukhoi Su-15 (1949) Model-Kom in 1/33-img_2051.jpgSukhoi Su-15 (1949) Model-Kom in 1/33-img_2052.jpgSukhoi Su-15 (1949) Model-Kom in 1/33-img_2053.jpg

inner frame
Sukhoi Su-15 (1949) Model-Kom in 1/33-img_2055.jpg

completed aft boom
Sukhoi Su-15 (1949) Model-Kom in 1/33-img_2056.jpg


Ready for mating with the rest of the fuselage
Sukhoi Su-15 (1949) Model-Kom in 1/33-img_2057.jpgSukhoi Su-15 (1949) Model-Kom in 1/33-img_2058.jpg


Joined
Sukhoi Su-15 (1949) Model-Kom in 1/33-img_2060.jpg


Isaac
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  #30  
Old 07-02-2020, 02:08 PM
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Exclamation Status pics- fuselage joined

Here it is so far

Sukhoi Su-15 (1949) Model-Kom in 1/33-img_2061.jpgSukhoi Su-15 (1949) Model-Kom in 1/33-img_2063.jpgSukhoi Su-15 (1949) Model-Kom in 1/33-img_2064.jpg

Sukhoi Su-15 (1949) Model-Kom in 1/33-img_2065.jpgSukhoi Su-15 (1949) Model-Kom in 1/33-img_2066.jpgSukhoi Su-15 (1949) Model-Kom in 1/33-img_2067.jpg

The sections mated beautifully and straight.

Isaac
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