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  #1  
Old 06-02-2020, 10:27 AM
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Ltvscout Ltvscout is offline
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Default Estes Harpoon #1915

I'd like to thank David Scigs (scigs30) for sending me the plans and templates for the Estes Harpoon. You can find them at the link below.

https://www.oldrocketplans.com/este...arpoon_1915.pdf
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  #2  
Old 06-02-2020, 10:41 AM
s1lence s1lence is offline
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Most excellent!

Now to find a nose cone.....
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Old 06-02-2020, 11:12 AM
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I would have thought Estes would still have BINS of those left.
They didn't sell many
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Old 06-02-2020, 12:08 PM
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Quote:
Originally Posted by s1lence
Now to find a nose cone.....
You could roughly approximate this model by substituting Centuri/Semroc ST-10 tubing and the following Semroc balsa nose cone:

http://www.erockets.biz/semroc-bals...-3-double-cone/


...which would mean you wouldn't have to worry about the "bumpy" detailing on the original Centuri plastic cone.


Unless, of course, you have access to a 3D printer and Scottdee (YORF's own scott_mills)' .STL files:

https://www.thingiverse.com/thing:2881947

.
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Last edited by Tau Zero : 06-02-2020 at 12:34 PM.
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  #5  
Old 06-02-2020, 12:48 PM
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Initiator001 Initiator001 is offline
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That nose cone appears to be the same one used with the Centuri Sky-Lab kit.
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  #6  
Old 06-02-2020, 01:01 PM
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Skylab and Centuri Bukk Rogers Laser Lance as well ( which as far as I can tell was never used for anything in the series; pure made up nonsense)
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When in doubt, WHACK the GAS and DITCH the brake !!!
No DIRECT and MEASURABLE Harm=NO Foul advocate

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, if you have to ask, you probably aren't
!
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  #7  
Old 06-02-2020, 02:07 PM
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Quote:
Originally Posted by Initiator001
That nose cone appears to be the same one used with the Centuri Sky-Lab kit.


It is. I just posted the following text in scigs build thread for this kit:

"Interesting on the retro fit of the old Centuri Skylab nose cone. I never realized Estes resized the the connector end of the mold to fit a different tube. Originally, the Centuri Skylab cone fit the Centuri #10 cone, which had an ID of 1.00 inches."
===========================


The connector end of the nose cone for this particular kit does look a bit different than the original Centuri cone.

Earl
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  #8  
Old 06-02-2020, 02:29 PM
s1lence s1lence is offline
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Quote:
Originally Posted by Tau Zero
You could roughly approximate this model by substituting Centuri/Semroc ST-10 tubing and the following Semroc balsa nose cone:

http://www.erockets.biz/semroc-bals...-3-double-cone/


...which would mean you wouldn't have to worry about the "bumpy" detailing on the original Centuri plastic cone.


Unless, of course, you have access to a 3D printer and Scottdee (YORF's own scott_mills)' .STL files:

https://www.thingiverse.com/thing:2881947

.


There it is. I was thinking semroc made something but wasn't sure what it was called.

Thanks
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