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  #1  
Old 09-17-2017, 07:37 PM
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burkefj burkefj is offline
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Default Titan II Dynasaor

Had the final two flights today on my Titan II Dynasoar stack, both were perfect, here's the flight video from yesterday. Glider is 32" long and weighs 8 oz, full stack is 8" diameter by 9' tall and made out of 2mm and 6mm depron and weighs 80 ounces with glider ready to fly on an H motor, boosts to around 400' and then ejects the glider which is RC. Got some great video and still shots which is what I was hoping to get. Retiring it now while it is still in one piece after 2 years and more than 10 successful flights.

http://www.youtube.com/watch?v=tFeeJ_ljUe0
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Old 09-18-2017, 08:09 AM
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Frank, you do some really amazing stuff! I always love your videos.


Joe
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Old 09-19-2017, 10:35 AM
stefanj stefanj is offline
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I saw this beast fly live-in-person on Saturday. Amazing!

Frank also launched a big Atlas missile.
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Old 09-24-2017, 07:11 AM
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Quote:
Originally Posted by burkefj
Had the final two flights today on my Titan II Dynasoar stack, both were perfect, here's the flight video from yesterday. Glider is 32" long and weighs 8 oz, full stack is 8" diameter by 9' tall and made out of 2mm and 6mm depron and weighs 80 ounces with glider ready to fly on an H motor, boosts to around 400' and then ejects the glider which is RC. Got some great video and still shots which is what I was hoping to get. Retiring it now while it is still in one piece after 2 years and more than 10 successful flights.

http://www.youtube.com/watch?v=tFeeJ_ljUe0
You know how to use the wind to your advantage--great model *and* piloting! With Blue Thunder propellant motors (*if* "H" motors using it are made), you could even simulate the Titan II's transparent exhaust plume. Also:

Have you considered a Thor-ASSET or a Winged Gemini (it was to be Titan II-launched: http://web.archive.org/web/20090607...ft/winemini.htm ) R/C model (see: http://www.google.com/search?q=Thor...0.MGtg6pD2 7So )? The ASSET (Aerothermodynamic Elastic Structural Systems Environmental Tests) re-entry gliders were Dyna-Soar (or Winged Gemini) test vehicles, and they were boosted by single-stage Thor and two-stage Thor-Delta (with the skinny, modified Vanguard second stage) launch vehicles.
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Old 09-24-2017, 09:27 AM
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Quote:
Originally Posted by burkefj
Had the final two flights today on my Titan II Dynasoar stack, both were perfect, here's the flight video from yesterday. Glider is 32" long and weighs 8 oz, full stack is 8" diameter by 9' tall and made out of 2mm and 6mm depron and weighs 80 ounces with glider ready to fly on an H motor, boosts to around 400' and then ejects the glider which is RC. Got some great video and still shots which is what I was hoping to get. Retiring it now while it is still in one piece after 2 years and more than 10 successful flights.

http://www.youtube.com/watch?v=tFeeJ_ljUe0
That was awesome ! Thanks for sharing.

Doug

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Old 09-25-2017, 01:17 AM
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Here are some great shots from Gary Goncher, that I also shared on the NAR facebook page.
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Old 09-25-2017, 07:03 AM
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Quote:
Originally Posted by burkefj
Here are some great shots from Gary Goncher, that I also shared on the NAR facebook page.
FWIW, I want to point out that the fins are stock. It's been a while since I had read up on the Dynosoar so I took a look at the Wikipedia article on it which clearly shows the fins in its illustration.

Often when scaling rockets with active stabilization (via gimballed motors) modelers need to add fins, but in this case, it's completely legitimate.

This is a very well done project.


Doug

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Old 09-25-2017, 08:26 PM
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Quote:
Originally Posted by Doug Sams
FWIW, I want to point out that the fins are stock. It's been a while since I had read up on the Dynosoar so I took a look at the Wikipedia article on it which clearly shows the fins in its illustration.

Often when scaling rockets with active stabilization (via gimballed motors) modelers need to add fins, but in this case, it's completely legitimate.

This is a very well done project.


Doug

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Yes--the Titan II/X-20 suborbital test configuration and the earlier Titan I-boosted configuration both had large trapezoidal fins on the first stage. The Titan IIIC-boosted orbital version had no fins (at least not in any of the illustrations that I've seen of it). I guess that in the pitch plane, either the Stage 0 solid propellant motors (they were designated "Stage 0" to avoid confusion because the Titan IIIA and IIIB had no solid motors), along with the core first stage, provided enough aerodynamic force to overcome that of the X-20's wings, or the solid motors' thrust vector control system provided enough control authority (in pitch *and* yaw) to overcome the "head-end" forces of the X-20's wings and vertical stabilizers.
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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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