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  #1  
Old 04-03-2005, 10:13 PM
Holaka Holaka is offline
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Default Help Estes Thor Agena B & Gemin Titan

Need to know the lengths needed for the Thors BT-52 and BT-60 tubes, and Gemini Titans BT-70. Thanks!
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  #2  
Old 04-03-2005, 10:45 PM
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Ltvscout Ltvscout is offline
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Quote:
Originally Posted by Holaka
Need to know the lengths needed for the Thors BT-52 and BT-60 tubes, and Gemini Titans BT-70. Thanks!

Here's the trick to finding lengths of body tubes of old Estes kits. First we find the plans for the kit in question on either JimZ http://www.dars.org/jimz/rp00.htm or on my site, Ye Olde Rocket Plans http://www.oldrocketplans.com. Look for the part # on the plans for the tubes in question. Then we go to the Ninfinger site where he has an Estes Body Tube chart, http://www.ninfinger.org/~sven/rockets/body_tubes.html.

For the Gemini-Titan BT-70 it is 17.5" in length. For the T-A BT-52, it is 3.938" in length. The BT-60 tube is 7.0" in length.

For nose cone information go to my Ye Olde Rocket Shoppe site, http://www.rocketshoppe.com and look on the Building Tips page.
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  #3  
Old 04-03-2005, 10:54 PM
Holaka Holaka is offline
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Smile

Thanks! You have just given me the rocketry version of the Rosetta stone! I'm in clone heaven.
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Old 04-03-2005, 10:59 PM
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Ltvscout Ltvscout is offline
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Quote:
Originally Posted by Holaka
Thanks! You have just given me the rocketry version of the Rosetta stone! I'm in clone heaven.

Enjoy! Glad we could help. For places to buy parts, check out the home page of Ye Olde Rocket Plans. I've listed all the major clone parts suppliers there.

Also check out our many vendors that support this site. They offer many fine kits and parts themselves.
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  #5  
Old 04-04-2005, 07:28 AM
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Eagle3 Eagle3 is offline
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Quote:
Originally Posted by Ltvscout
... Then we go to the Ninfinger site where he has an Estes Body Tube chart, http://www.ninfinger.org/~sven/rockets/body_tubes.html.


I've also used the old 1974 Estes Custom Parts catalog for looking up tube dimensions from plans . You can download a copy from Jimz.
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Old 05-02-2005, 10:10 AM
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dtomko dtomko is offline
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After having the parts for a couple of years, I've finally started a Gemini-Titan (sort of) clone. I wanted to make a few improvements, so first I opened up the interstage area. After cutting the BT-70, I used a hole punch and x-acto. Right now I'm planning on running a BT-60 all the way from the top of the engine mount to the capsule. I am going to try to make slots in the BT-70 through which the plastic fins can be slid (I got this idea from a website a few years ago, but can't find it now). The slits will be in the black roll pattern, so you won't notice them much.
I also dressed up the engines. Instead of using the old coupler/ring combo, I used speaker wire, string, styrene, and balsa. The support tubes will be added after painting. I am trying to use a couple of paper models as wraps or decal patterns for the BT and capsule.
Drew Tomko
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Last edited by dtomko : 05-02-2005 at 10:19 AM.
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  #7  
Old 05-02-2005, 10:24 AM
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Quote:
Originally Posted by dtomko
After having the parts for a couple of years, I've finally started a Gemini-Titan (sort of) clone.

Wow! Very cool. And the 2-engine canted cluster to boot!
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