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Su-37 (T-10M) scratch/conversion


Flankerman

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Inspired by a conversation on another discussion group about building a Su-37 - I thought I'd have a go....

 

The discussion suggested combining the back end of the 1/72 scale two-seat Zvezda Su-30SM with the front end of the Zvezda Su-33 to make the single seat Su-37.

 

A new longer (and slightly fatter) nose is needed - along with taller, square-tipped fins - plus a few other minor changes - but the whole thing looks do-able.

 

I have both kits in my stash, so I got both out for comparison - and liked what I saw.... so here goes....

 

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As they are both from the same manufacturer, the panel lines match up - the Su-30SM is on the left - with the Su-33 on the right.

 

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The fuselages butchered / separated....... Note how the airbrakes differ.

 

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.... and swapped over (the left hand one will be the Su-37, the right-hand one will become a Chinese J-17/J-15D)

 

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Plastic card strips used the strengthen the joint.

 

Now, I just need to work out how to do the fatter Su-37 radome.

 

More later..

 

Ken

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On 9/25/2019 at 4:17 PM, Serkan Sen said:

It would be great to get your opinion on my progress

Your work is stunning Serkan - such attention to detail and superb resin casting to build all the different versions - I can't compete with you.

 

Mine is much simpler - with the bonus that the leftover parts can be made into a Chinese J-17/15D.

 

Did you increase the diameter and length of the forward fuselage and radome on your models??

 

If so, by how much - and do you have any drawings showing the increase (in addition to the one posted by Berkut?)

 

I'm not sure if it is worth doing in 1/72 scale - does the difference show that much??

 

Happy Flankering

 

Ken

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Progress......

 

The first application of filler along the joins.......

 

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I used the Su-33 cockpit tub - but with the Su-30SM decals as they have MFD screens - not 100% accurate for a Su-37

but with the canopy closed.....

 

Zvezda provide the sliding throttle control on the left - but the Su-37 was fitted with a sidestick controller (right) - so I used the kit

control column cut down......

 

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Su-33 front end, married to the Su-30SM rear end..............

 

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.... with the complete Su-30SM lower fuselage attached - and it all fits..... :thumbsup:

 

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Now for some sanding/filling/sanding....

 

Ken

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On 9/27/2019 at 8:08 PM, Flankerman said:

Your work is stunning Serkan - such attention to detail and superb resin casting to build all the different versions - I can't compete with you.

Thanks for your kind reply Master Ken. It is a great honor to get your admiration.

 

On 9/27/2019 at 8:08 PM, Flankerman said:

Mine is much simpler - with the bonus that the leftover parts can be made into a Chinese J-17/15D.

I have used one of the rest Su-33 parts together with casted Su-27IB front fuselage for my Su-33UBM "what if" project. J-17 will be the next one...

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On 9/27/2019 at 8:08 PM, Flankerman said:

Did you increase the diameter and length of the forward fuselage and radome on your models??

I'm not sure if it is worth doing in 1/72 scale - does the difference show that much??

No I have not increased the fuselage diameter, but I have reshaped the nose cone and added the panel lines and IFR lights. That seemed me ok in 1:72 scale.

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Serkan

 

Edited by Serkan Sen
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More progress....

 

I'm happy with the joint lines - they are now eliminated....

 

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So it's onto that problematic nose......

 

Published dimensions give the T10 (Su-27) and T10M (Su-37) as having the same overall length - but the Su-27 length includes the nose pitot.

 

That means that the Su-37 (which doesn't have a nose pitot) must have the nose / radome lengthened by the same length as the pitot (11mm in the kit)

 

The radome is also slightly wider in diameter - and without the slight double curvature of the Su-27 radome......

 

I'm lengthening the kit radome by inserting a length of 15mm dia plastic knitting needle between the fuselage nose and radome - I'll fill in the recess with scraps of plastic later.......

 

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I'm not 'fattening' the radome - the difference is minimal in 1/72 scale - but I'll try and re-shape the curvature to an approximation of the Su-37 shape.

 

Ken

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On 9/30/2019 at 9:42 AM, Flankerman said:

More progress....

 

I'm happy with the joint lines - they are now eliminated....

 

spacer.png

 

So it's onto that problematic nose......

 

Published dimensions give the T10 (Su-27) and T10M (Su-37) as having the same overall length - but the Su-27 length includes the nose pitot.

 

That means that the Su-37 (which doesn't have a nose pitot) must have the nose / radome lengthened by the same length as the pitot (11mm in the kit)

 

The radome is also slightly wider in diameter - and without the slight double curvature of the Su-27 radome......

 

I'm lengthening the kit radome by inserting a length of 15mm dia plastic knitting needle between the fuselage nose and radome - I'll fill in the recess with scraps of plastic later.......

 

spacer.png

 

I'm not 'fattening' the radome - the difference is minimal in 1/72 scale - but I'll try and re-shape the curvature to an approximation of the Su-37 shape.

 

Ken

Oh my God! Not fattening the forward  fuselage by 0.5 mm shall render it unwatchable according to a local critic!

Fantastic work Master Ken, as usual.

Edited by Robertone139
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More....

 

The gap betwen the lengthened radome and fuselage is filled in with scraps of plastic card....

 

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.... followed by filler and a first sanding.... people of a nervous disposition look away now..

 

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I've also made the new tailboom - using an 8mm plastic knitting needle cut and carved to shape -

 

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More butchery to follow...

 

Ken

 

 

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