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  #1  
Old 02-03-2018, 11:36 PM
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blackshire blackshire is offline
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Default SS-520-5 orbital rocket

Hello All,

Here is another scale subject (please see below). If Estes doesn't produce a scale kit of it (they have 3:1 tangent ogive nose cones that would work perfectly for it), hopefully Boyce Aerospace Hobbies and/or Aerobotix will offer 3D printed parts for it, and perhaps even in multiple scales:

Congratulations to JAXA for orbiting a satellite with the world’s smallest and lightest SLV (Satellite Launch Vehicle)! The student-built, approximately 3-kilogram TRICOM 1R test satellite was launched into orbit from Japan’s Uchinoura Space Center aboard the SS-520-5 vehicle, a two-stage SS-520 sounding rocket fitted with a nitrogen-jet stabilization system and a third stage. At 9.5 meters (31 feet) tall, 520 millimeters (about 20 inches) in diameter, and weighing just 2.6 metric tons, the all-solid propellant vehicle is by far the smallest rocket ever to achieve orbit. Also:

While JAXA has no plans to commercialize the vehicle, this test flight—a re-flight of last year’s failed SS-520-4 launch attempt—was conducted in order to validate low-cost technologies and launch operations procedures to be incorporated into a future nanolauncher (one possible design is the SS-520-derived NL-520, see Reply #16 *here*: http://forum.nasaspaceflight.com/in...p?topic=40509.0 ) for lofting small satellites into user-selected orbits, on their schedules. Below are links to information, photographs, and video coverage of the SS-520-5/TRICOM 1R mission:

http://spaceflightnow.com/2018/02/0...1r-test-launch/ (a video and an ascent events timeline are included)

http://www.jaxa.jp/press/2018/02/20...ss-520-5_j.html (the English button is in the upper right-hand corner)

http://www.youtube.com/results?sear...ss-520-5+rocket (YouTube SS-520-5 video links), and:

http://www.google.com/search?source...0 .i2o74SGLJy4 (*lots* of links here, including to video coverage)

I hope this material will be helpful.
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Old 02-04-2018, 12:47 AM
BARGeezer BARGeezer is offline
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Thanks for the links. Rocketarium has a nice scale model of the SS-520: two engine cluster, 30" long.
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Old 02-04-2018, 01:41 AM
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Quote:
Originally Posted by BARGeezer
Thanks for the links. Rocketarium has a nice scale model of the SS-520: two engine cluster, 30" long.
You're welcome. The possible NL-520 operational version, which has a finless booster (like the Arcon, the INTA-255, a Skua version, and the Skylark 7 and 12 sounding rockets) would also make an interesting scale model and kit. I have no complaints about Rocketarium's kits, but changing circumstances have inclined me toward smaller-scale kits (I simply have no room for 30" tall rockets), and as I've gotten older, I've become rather "spoiled" by plastic fins as well as plastic nose cones (not having enough space to comfortably sand balsa parts [my rocket-building area is about 1 foot square, when it isn't covered by books] is also a factor).
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Black Shire--Draft horse in human form, model rocketeer, occasional mystic, and writer, see:
http://www.lulu.com/content/paperba...an-form/8075185
http://www.lulu.com/product/cd/what...of-2%29/6122050
http://www.lulu.com/product/cd/what...of-2%29/6126511
All of my book proceeds go to the Northcote Heavy Horse Centre www.northcotehorses.com.
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Old 02-04-2018, 06:01 PM
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MarkB. MarkB. is offline
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Comrades:

Anybody got a drawing?

1/10 scale on ST-20 would be 37 inches tall with a BC-2061.
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Awaiting First Launch: Excelsior/Semroc Scrambler; K-41 Mercury-Redstone; Rescue Sandhawk; SS-520-5; Rescue K-25 Arcas; mini V-2; Fly Baby; Centuri Nike-Smoke; Vashon X-13; Estes Firefly
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Old 02-04-2018, 06:29 PM
BARGeezer BARGeezer is offline
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Quote:
Originally Posted by MarkB.
Comrades:

Anybody got a drawing?

1/10 scale on ST-20 would be 37 inches tall with a BC-2061.
-


https://en.wikipedia.org/wiki/S-Series_(rocket_family))
This is the best I could find. Also, funny thing, the specs show SS-520-5 is actually a little shorter than the SS-520, even though it has an added third stage.
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Old 02-05-2018, 02:28 AM
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blackshire blackshire is offline
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Quote:
Originally Posted by BARGeezer
-


https://en.wikipedia.org/wiki/S-Series_(rocket_family))
This is the best I could find. Also, funny thing, the specs show SS-520-5 is actually a little shorter than the SS-520, even though it has an added third stage.
Peter Alway's "Rockets of the World: 2003 Supplement" (see: http://www.arapress.com/rockets-of-...003-supplement/ and http://blastzone.org/nar/narts/stor...d=1080035015601 ) contains scale data packs on both the S-520 and the SS-520 vehicles. His book "Scale Bash" (see: http://www.google.com/search?ei=QhN...1.0.kmPETUz45dE ) covers the S-520 (and possibly also the SS-520), including fin patterns and decor scheme details at one or more different scales.
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Black Shire--Draft horse in human form, model rocketeer, occasional mystic, and writer, see:
http://www.lulu.com/content/paperba...an-form/8075185
http://www.lulu.com/product/cd/what...of-2%29/6122050
http://www.lulu.com/product/cd/what...of-2%29/6126511
All of my book proceeds go to the Northcote Heavy Horse Centre www.northcotehorses.com.
NAR #54895 SR
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