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  #11  
Old 03-24-2017, 03:04 PM
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Paper Kosmonaut Paper Kosmonaut is offline
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Aaand there we are again. I had so much to do in my offline non-paper-building life that it actually took some time.
I managed to make another wheel, I filled up the gap in the Zil's deck with the berthing place for the Soyuz and I closed up the hull entirely. The front part of the lower hull was tricky, especially at the sides. It now is nice and smooth, on the photo it still is in the middle of the shaping process.

After that, I built the three ribs over the hull with some thin upright glued strips. This was quite tricky, it needed some guiding, so I glued the top part of the ribs from an extra print over the grey glue areas at the base of the ribs. I guided the thin vertical strips alongside them and that did the trick.

The propeller area at the back of the boat hull was an odd shaped pair of parts that needed some trimming and eventually looked very good.
The deck got its round concave-shaped garage for the capsule. I almost missed a part in this 'dish', and I had to cut loose the originally placed one I made earlier. Luckily it all went without any damage.

At both sides there is some kind of anti splash screen running alongside the truck. At the port side, it is collapsed to make room for the struts and pedestals of the crane section. At the co-drivers' side it still is extended.

And I also made the two cranes. They were a joy to build and the only thing to look after when building these is to keep it all straight. It easily gets torqued. The piston in the cranes was clad in a thin strip of aluminium tape.
The wheel, well, I did one before, this one went about the same way, only a lot quicker. Two down, four to go.

The suspension system for the wheels looks quite elaborate, I might take some time to figure that out. In the meantime, here's some visual material to look at and hopefully the gap between this post and the next one won't be so big.
Attached Thumbnails
Down to Earth: the ZIL 4906-20170224_091414.jpg   Down to Earth: the ZIL 4906-20170224_112839.jpg   Down to Earth: the ZIL 4906-20170224_115547.jpg   Down to Earth: the ZIL 4906-20170224_145949.jpg   Down to Earth: the ZIL 4906-20170225_125522.jpg  

Down to Earth: the ZIL 4906-20170319_154525.jpg   Down to Earth: the ZIL 4906-20170322_084956.jpg   Down to Earth: the ZIL 4906-20170322_085012.jpg   Down to Earth: the ZIL 4906-20170322_085027.jpg   Down to Earth: the ZIL 4906-20170324_092653.jpg  

Down to Earth: the ZIL 4906-20170324_114636.jpg   Down to Earth: the ZIL 4906-20170324_121041.jpg   Down to Earth: the ZIL 4906-20170324_125204.jpg   Down to Earth: the ZIL 4906-20170324_141244.jpg   Down to Earth: the ZIL 4906-20170324_141302.jpg  

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  #12  
Old 03-26-2017, 01:00 PM
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Well, there wasn't even more than a well spent day between this one and my previous post. I hope it was noticed anyway..

I discovered a little but quite annoying mistake in the cranes of the truck. They weren't able to reach all the way back like they should. In the original build configuration they only could manage to raise to 80 but they needed to make it to at least 120, preferably 130 backward. So I took them apart and redesigned it all, even though I promised myself I wouldn't tinker with it too much.

I created a new set of pistons to let the arms sweep back almost twice as far. The new set of pistons shove over the original ones, and inside I created tiny rings acting as stops to keep the pistons from escaping the shafts.
I remade the outer piston shaft to be able to hold both new pistons at once (although it kept the same width).

I also reinforced the pivot points with some spare same-colour parts. Now they are more solidly attached to the arms and can't rip loose that easily.

I tested it all and then I reassembled the cranes. Next, I'll add another small detail which was left out in the original kit; the second set of pistons that extend the arms further out. Not all of the 4906 truks have it but no. 87 does. After that, the cranes will receive a nice and thorough weathering. But that is something for later next week.

(PS. for some reason, some pictures appear upside down. But when you actually click to view them, they'll appear right side up. Don't know what went wrong..)
Attached Thumbnails
Down to Earth: the ZIL 4906-upload_-9.jpg   Down to Earth: the ZIL 4906-upload_-8.jpg   Down to Earth: the ZIL 4906-upload_-7.jpg   Down to Earth: the ZIL 4906-upload_-6.jpg   Down to Earth: the ZIL 4906-upload_-5.jpg  

Down to Earth: the ZIL 4906-upload_-4.jpg   Down to Earth: the ZIL 4906-upload_-3.jpg   Down to Earth: the ZIL 4906-upload_-2.jpg   Down to Earth: the ZIL 4906-upload_-1.jpg  
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  #13  
Old 04-23-2017, 06:05 AM
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Just to let you all know I still am working on this model but I kind of take it easy. Apparently I am in one of those periods in which paper modeling isn't that appealing as usual and I also need to spend my time getting other things done.
At the moment I am working on the rest of the wheels and designing a Soyuz capsule to be on the truck's carrier deck. Not much important stuff in ways of new pictures yet. But it all still is going on. Hopefully I'll be able to show you some stuff later on in May.
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  #14  
Old 04-23-2017, 03:59 PM
elliott elliott is offline
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No problem PK, we all have lulls in our papermodeling in one way or another. Real life does tend to get in the way as well. We'll be here when the urge strikes you again, and it will.
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  #15  
Old 06-18-2017, 02:55 PM
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Time goes fast and there was a lot to do in that period. PLease, please, bear with me, the actual space component will definitely come. However, this vehicle also has everything to do with spaceflight and its peripherals. So I still think this vehicle belongs in this part of the forum.
But still, today we're talking about wheel suspension. This car has six of 'em. And they're all quite complex. Luckily, Maxim sent me all the pictures he had of the real thing, some of them I never saw before. With those and the drawing and some common sense, I assembled the first of the suspension sets.
Now there is one small issue here: the wheels are able to turn but not able to rotate. I might have missed something here with an inner and an outer hub which might have been used for making the wheels rollable but since this isn't a toy and it will remain stationary on a shelf in the end, I decided after a loooooooooong thought to keep it as is and not try to make the wheels more moveable.

So, let's strart for a change with the finished element, the assembled suspension. So how does it work? The suspension consists of a base plate, a cap protruding from it which holds a big horizontal bar on the bottom, where the suspension arms will go. The upper arms go on to the base plate.
The drawing in the instructions was a bit hard to understand so I made an exploded view drawing of it all.
I ended up with a reasonably looking suspension but initially I built it on to to the wheel. This, I realised, was impractical with alignment and position of the wheels. Especially since the protruding arms of the suspension sets the wheel in a weird camber, in a grotesque angle, if you will. So I carefully took the wheel off from the suspension. I had to bend the lower arms a bit to make the wheel stand vertically, but for now I'll leave the wheels off until the suspensions are on the truck. Then I will add the wheels and have them all in the right camber and position..

Now I still have to do five suspension sets. Then it is up to the details like hinged hatches and windows, some tiny thingamajigs here and there and then it is on to the Soyuz capsule. It won't be long any more now... (-:
Attached Thumbnails
Down to Earth: the ZIL 4906-p1100490.jpg   Down to Earth: the ZIL 4906-p1100408.jpg   Down to Earth: the ZIL 4906-p1100410.jpg   Down to Earth: the ZIL 4906-p1100413.jpg   Down to Earth: the ZIL 4906-p1100415.jpg  

Down to Earth: the ZIL 4906-p1100419.jpg   Down to Earth: the ZIL 4906-p1100425.jpg   Down to Earth: the ZIL 4906-p1100483.jpg   Down to Earth: the ZIL 4906-p1100485.jpg   Down to Earth: the ZIL 4906-p1100487.jpg  

Down to Earth: the ZIL 4906-new-rotating-wheel-2.jpg   Down to Earth: the ZIL 4906-suspension-assy.jpg  
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  #16  
Old 07-30-2017, 03:00 PM
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The hope you'll find this subject interesting flees me a little but well, perhaps it is my own fault, building a vehicle with wheels that doesn't go to space at all and putting it in the space corner...
Anyway, as we are here, let's continue. The wheels are on. Lots and lots of components and in the end almost nothing of it can be seen. Perhaps due to my misunderstanding of the instructions or some other cause, the wheels hung very loosely in their suspensions after glueing. So much that they started to sag and eventually rested against the wheel well's edges. I decided to just glue the wheels into place, using a royal amount of PVA inside and underneath the area you cannot see anyway.
After all, it will be a static model display so who cares about not seeing the suspension? You most probably won't, and I certainly don't care.
Nevertheless, I really like what I build at the moment, I have never ever built such a vehicle and building something in this scale also is a new experience.

Up next are some hinges and hatches and stuff around the cabin and then it's Soyuz time.
If you all can take it just a little longer that there's no space object in this thread (except for the word Soyuz now and then) you will be rewarded with the build of a Soyuz capsule. /-:
Attached Thumbnails
Down to Earth: the ZIL 4906-20170728_134650.jpg   Down to Earth: the ZIL 4906-p1100766.jpg   Down to Earth: the ZIL 4906-p1100767.jpg   Down to Earth: the ZIL 4906-p1100770.jpg   Down to Earth: the ZIL 4906-p1100771.jpg  

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  #17  
Old 07-30-2017, 06:54 PM
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It's a really amazing model of a seldom seen component of the space program. It absolutely belongs here! And you're doing a fantastic job!
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  #18  
Old 07-30-2017, 08:38 PM
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Nice work on the suspension.
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  #19  
Old 09-10-2017, 03:52 PM
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Short update: The Zil is ready for the Soyuz. I hope that is what you all have been waiting for. Here's the Zil, all ready with rear view mirrors, open hatches and all windows added. I understand a car doesn't really belong in a space-related subforum but I still think this vehicle is close enough to space activities to have a reason to belong here. The next part however, is full-blown space stuff. A returned Soyuz capsule.
Attached Thumbnails
Down to Earth: the ZIL 4906-p1100838.jpg   Down to Earth: the ZIL 4906-p1100851.jpg   Down to Earth: the ZIL 4906-p1100852.jpg  
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  #20  
Old 09-10-2017, 04:12 PM
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I had to try and design the Soyuz myself, because there isn't a paper model of a returned Soyuz capsule. The orbital capsule is covered in a green insulation blanket but all of that is burnt off when the capsule returns. I used lots of pictures of landed Soyuzi to figure out where all the parts are. I made a top view drawing of it to guide me through the build. Two hatches for parachutes, one main (open), one spare (closed), RCS thrusters, antenna panels, an umbilical patch panel, a hole where the periscope was jettisoned from, a jettisoned heat shield revealing yet ore antenna hatches, braking rockets and an altimeter behind a hatch, and last but not least, a crew access hatch.

I created a cross section drawing of the Soyuz and decided how many rings I would need to get a smooth shape. I decided on six rings. Long story short and three trials later, I had my definitive shape and started to draw the locations of the hatches an the other stuff onto it.

Cutting out was the easy part. No Xacto here, just tiny scissors. I then scratch built a hatch ring for the parachute canister. And the canister itself. A balloon pushes the 'chute out and remains inside of the canister. Surprisingly I just made it piece by piece, cutting out of pieces of card and I didn't even drew them first. The ropes are made from twisted pieces of thin paper. I brushed thinned PVA over them to make them a little sturdier. A bit of aluminium tape was used for the connecting part.

The opened antenna compartment was made likewise. Just on the fly. Only the measurements of the inward sloping cone were done with an online shroud calculator. The umbilical panel also was done in one try.

Here's where I am now, the part where the umbilical and periscope hole are always is burnt to the bare metal so lots of scorch marks made by lots of layers of paint. Maybe some more to follow... The blackened side of the capsule will get a surprising treatment to get the desired look.

Hope you like it. I do ;-)
Attached Thumbnails
Down to Earth: the ZIL 4906-p1100934.jpg   Down to Earth: the ZIL 4906-p1100941.jpg   Down to Earth: the ZIL 4906-p1100943.jpg   Down to Earth: the ZIL 4906-p1100947.jpg   Down to Earth: the ZIL 4906-p1100951.jpg  

Down to Earth: the ZIL 4906-p1100959.jpg   Down to Earth: the ZIL 4906-p1100961.jpg   Down to Earth: the ZIL 4906-p1100962.jpg   Down to Earth: the ZIL 4906-p1100977.jpg   Down to Earth: the ZIL 4906-p1100979.jpg  

Down to Earth: the ZIL 4906-p1100980.jpg   Down to Earth: the ZIL 4906-p1100988.jpg   Down to Earth: the ZIL 4906-p1100984.jpg   Down to Earth: the ZIL 4906-p1100995.jpg   Down to Earth: the ZIL 4906-p1110003.jpg  

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