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Old 03-17-2013, 12:53 PM
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Delta II 9725H MER-A Spirit 1/96 ETG

Time for part one of another little project.

My fellow countryman Erik te Groen has made quite a collection of very pretty variants of NASA's workhorse, the Delta II.
I chose the variant that brought Spirit to Mars. The original model is 1/72 and already quite detailed. I of course reduced it to 1/96 because (almost) all my rockets are that scale and I detailed it some more. For example, I actually made all the stringers on the fairing and intertank part of the booster. Here's a bunch of pictures of the build. I used silk gloss photo paper and some pieces of other coloured paper.
The main engine is made from brushed aluminium coloured paper (like a macbook's skin) and after assembly I put these aluminium sticky tape rings around and washed it with thinned anthracite acrylic paint. I really like how that came out.

Thanks for watching!
-PK
Attached Thumbnails
Delta II 9725H MER-A Spirit 1/96 ETG-mer-spirit-delta-ii-02.jpg   Delta II 9725H MER-A Spirit 1/96 ETG-mer-spirit-delta-ii-03.jpg   Delta II 9725H MER-A Spirit 1/96 ETG-mer-spirit-delta-ii-04.jpg   Delta II 9725H MER-A Spirit 1/96 ETG-mer-spirit-delta-ii-05.jpg   Delta II 9725H MER-A Spirit 1/96 ETG-mer-spirit-delta-ii-06.jpg  

Delta II 9725H MER-A Spirit 1/96 ETG-mer-spirit-delta-ii-07.jpg   Delta II 9725H MER-A Spirit 1/96 ETG-mer-spirit-delta-ii-08.jpg   Delta II 9725H MER-A Spirit 1/96 ETG-mer-spirit-delta-ii-09.jpg   Delta II 9725H MER-A Spirit 1/96 ETG-mer-spirit-delta-ii-10.jpg   Delta II 9725H MER-A Spirit 1/96 ETG-mer-spirit-delta-ii-11.jpg  

Delta II 9725H MER-A Spirit 1/96 ETG-mer-spirit-delta-ii-12.jpg   Delta II 9725H MER-A Spirit 1/96 ETG-mer-spirit-delta-ii-13.jpg   Delta II 9725H MER-A Spirit 1/96 ETG-mer-spirit-delta-ii-15.jpg   Delta II 9725H MER-A Spirit 1/96 ETG-mer-spirit-delta-ii-16.jpg   Delta II 9725H MER-A Spirit 1/96 ETG-mer-spirit-delta-ii-17.jpg  

Delta II 9725H MER-A Spirit 1/96 ETG-mer-spirit-delta-ii-19.jpg   Delta II 9725H MER-A Spirit 1/96 ETG-mer-spirit-delta-ii-20.jpg   Delta II 9725H MER-A Spirit 1/96 ETG-mer-spirit-delta-ii-21.jpg   Delta II 9725H MER-A Spirit 1/96 ETG-mer-spirit-delta-ii-23.jpg   Delta II 9725H MER-A Spirit 1/96 ETG-mer-spirit-delta-ii-25.jpg  

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Old 03-17-2013, 01:33 PM
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Nice work PK!
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Old 03-17-2013, 01:53 PM
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Hi Jasper

Very well managed building.The glossy paper and a ribbed excellent open.

Transmission nozzle hyperreal.As I got used to high quality.

greeting Zoli












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Old 03-17-2013, 03:05 PM
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Another fine-looking job. I've been wanting to do one of Erik's Delta IIs in 1/96th, but I've been waiting for him to offer a launch vehicle for a NOAA satellite because the NOAA logo looks so cool on the rocket....
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Old 03-17-2013, 04:27 PM
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Thank you all for the kind words.

- Erik, you hear it. Could you do a NOAA Delta II? I'd like to see David back with a nice build here. (-; (it actually *is* a cool logo, indeed.)
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Old 03-17-2013, 07:41 PM
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Erik is a busy guy; I'm sure he'll get to it when he can. I think my building funk has more to do with lack of available time and not seeing a lot of kits that spark my interest. I like to zig when others zag. When I started, there weren't a lot of people building rockets and real-space subjects.

That said, I did order Papershipwright's Pole Star the other day. And I do have the NASA Astro van printed out and sitting on my table. I figured it would be a quick and easy build with a low parts count. The problem is, though, that I went online today to look up some photos and realized if I want to build it, there is a lot of detail I would want to add. So much for "quick and easy."
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Old 03-18-2013, 01:40 AM
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I just said that because I miss your inspiring models here, David. You were one of the eye openers that got me into this hobby in the first place, after seeing pictures of your Dyna Soar and Shuttle.
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Old 03-18-2013, 07:45 AM
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PK:

Are those the kit solid rocket nose cones? They look more pointed than those that come with the model -- unless I'm looking at an old version or somesuch.

Les (The Voice of Authority -- Demos Coming Soon!)
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Old 03-18-2013, 10:26 AM
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Yes, those are the kit's nose cones. This version of the Delta II used bigger booster rockets. Usually the Delta II uses the GEM-40 booster rockets, but the ones used on this one are the same as the Delta III used: the GEM-46.

Wiki says on the Delta III (and 9725H boosters):
The solid rocket boosters were Alliant GEM-46s, sometimes referred to as GEM LDXL (Large Diameter Extended Length). These were 14.7 meters length and 1.17 m (46 inches) in diameter, versus 13 meters and 1.01 m (40 inches) for the GEM [40] on Delta II. Six were ignited on the launch pad, three were lit in flight. To maintain steering authority, three of the boosters had vectoring nozzles.

Boosters (7000 Series) - GEM 40 No. boosters 3, 4 or 9 Engines 1 Solid Thrust 492.9 kN (110,800 lbf) Specific impulse 274 sec Burn time 64 seconds Fuel solid
Boosters (7000 Heavy) - GEM 46 No boosters 9 Engines 1 solid Thrust 628.3 kN (141,250 lbf) Specific impulse 278 sec Burn time 75 seconds Fuel solid
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Old 03-18-2013, 12:55 PM
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where I said 9725 I actually meant 7925.
stop the clock.
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