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  #1  
Old 11-12-2016, 04:14 PM
Tau Zero's Avatar
Tau Zero Tau Zero is offline
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Join Date: Mar 2005
Location: Twin Falls, Idaho, USA
Posts: 1,966
Default New Design - Centuri Italian Sea Killer 1.15X

I much more greatly prefer Centuri/Semroc ST-10 to ST-8, simply because there's more room to attach a Kevlar shock cord anchor to the motor mount.

Hence, my "slightly bigger than before" version of this rocket. I included a color kitcard photo from scigs30's build of the original model.

EDIT: I just added the fin patterns that I redrew in Paint Shop Pro.

_____

Centuri Italian Sea Killer 1.15X

SEMROC Parts List

BC-1039 Nose cone 3.90” L
ST-10120 Body tube – 12.00” L
SE-14 Extra large screw eye*
CP-12 Parachute
LL-130 Launch lug

EM-710 Engine mount
ST-730 Body tube
TR-7 Thrust ring
2 – CR-710 Centering rings
EH-20 Engine hook

2 – Birch dowels 8.25” L x 1/8” dia.
4 – Birch dowels 1.18” L x 1/8” dia.

3/32” T balsa fin stock

_____
* SE-14 extra-large screw eye is nose weight to insure stability.

A8-3 - 1.54 calibers
B6-4 - 1.41 calibers
C6-5 - 1.10 calibers
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Name:  Centuri Italian Sea Killer 115X -Fin-Patterns.jpg
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Attached Files
File Type: tif Italian Sea Killer 115X 01.tif (269.9 KB, 96 views)
File Type: tif Italian Sea Killer 115X 02.tif (253.9 KB, 40 views)
File Type: tif Italian Sea Killer Paint Scheme courtesy scigs30.tif (260.8 KB, 72 views)
File Type: rkt Italian Sea Killer 115X.rkt (79.1 KB, 35 views)
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Jay Goemmer
"Centuri Guy"/"Tau Zero"
Semroc SAM #0029
NAR 86131


“Centuri fret buzz in an updated form.”
Bill “Wallyum” Eichelberger re: Estes Flutter-By
03 Sept 2014

Last edited by Tau Zero : 11-14-2016 at 01:27 AM.
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  #2  
Old 11-13-2016, 04:52 AM
Sheryl@Semroc Sheryl@Semroc is offline
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Join Date: Mar 2005
Location: Knightdale, North Carolina
Posts: 160
Default New Design - Centuri Italian Sea Killer 1.15X

I much more greatly prefer Centuri/Semroc ST-10 to ST-8, simply because there's more room to attach a Kevlar shock cord anchor to the motor mount.

Carl also liked Centuri. Their tubes were/are just a little thicker.
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  #3  
Old 11-13-2016, 05:32 PM
Tau Zero's Avatar
Tau Zero Tau Zero is offline
Incurable SEMROC Fan
 
Join Date: Mar 2005
Location: Twin Falls, Idaho, USA
Posts: 1,966
Default

Quote:
Originally Posted by Sheryl@Semroc
Jay wrote: I much more greatly prefer Centuri/Semroc ST-10 to ST-8, simply because there's more room to attach a Kevlar shock cord anchor to the motor mount.

Carl also liked Centuri. Their tubes were/are just a little thicker.
Another reason why he and I got along so well.

Good to hear from you, Miss Sheryl! I think of you and your extended family, and pray for you often!
__________________
Jay Goemmer
"Centuri Guy"/"Tau Zero"
Semroc SAM #0029
NAR 86131


“Centuri fret buzz in an updated form.”
Bill “Wallyum” Eichelberger re: Estes Flutter-By
03 Sept 2014
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  #4  
Old 10-24-2017, 05:48 PM
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CPMcGraw CPMcGraw is offline
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Join Date: Mar 2005
Location: Mobile, Alabama
Posts: 5,355
Default

First post I've made in quite a long time! Yes, I'm still alive...

And good to see Mr. TZ still kicking, too. And still doodling with rockets and RockSim. At least one of us is, anyway. I've just about forgotten everything I never knew about the program.

Agreed. Much prefer ST-10 to nearly anything smaller. It just has... that feel to it
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Craig McGraw

BARCLONE Rocketry -- http://barclone.rocketshoppe.com
BARCLONE Blogsite -- http://barclone.wordpress.com
BARCLONE Forum -- BARCLONE Forum

BARs helping BARs

SAM 0044
AMA 352635
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  #5  
Old 10-24-2017, 10:25 PM
A Fish Named Wallyum's Avatar
A Fish Named Wallyum A Fish Named Wallyum is offline
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Join Date: Mar 2005
Location: Ft. Thomas, KY
Posts: 6,631
Default

Quote:
Originally Posted by CPMcGraw
First post I've made in quite a long time! Yes, I'm still alive...

Hi, Craig. I was wondering where you'd gotten to just the other day.
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Bill Eichelberger
NAR 79563

http://wallyum.blogspot.com/

I was SAM 0058
2017 motor usage: 1/4A - 2, 1/2A - 3, A - 31, B - 11, C - 7, D - 2, E - 2 = Total Impulse: 278.181 Ns

On the bench: Semroc Satellite Killer, Custom Ion Pulsar, Semroc Cyber III, Coaster Saturn, Coaster Space Probe 1, RDC Starflite

Ready to fly: Estes Javelin, Estes Super Flea, Custom Satellite Drone, MRN Loadlifter 1-A, Estes Astron X-Ray
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