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Old 04-20-2020, 09:19 PM
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blackshire blackshire is offline
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Quote:
Originally Posted by MarkB.
Blackshire,

This link:

https://www.sciencedirect.com/scien...687901-main.pdf

will open a .pdf of the scientific report that accompanied the third launch. It contains a picture of a fourth Tacite. There is no guarantee that this picture is of the third rocket as it may have been a "stock" picture included in the report for illustrative purposes only. The point is, with this picture, we now have a picture of four different rockets from the same side of the launcher. Now, which is which?

I attached the pictures from your first thread and this picture so they would all be part of this thread.

Bottom line is: yes, this would be a neat rocket to model and in 1/10 scale would be a good candidate for 24mm power, being about 27" tall on a BT-70. But the level of detail of the drawings and the five pictures is sparse at best. If your friend comes across any other pictures especially of the fin can or payload or any detail drawings, post 'em. I'd build it.
MarkB., thank you for the PDF link and the information and photographs! (With today's electronics, an infrared or optical sensor payload could be accommodated in the 1/10 scale Tacite model's nose cone.) Even at the "current" level of detail, there's plenty of documentation here for a fine Sport Scale Tacite model. Also:

Here (below and attached) is more Tacite information from Jean-Jacques Serra. (He tried to join YORF last night, but when he attempted to register, YORF's system responded with, "The following errors occurred during your registration: The administrator has banned your email address." [YORF has given me some strange prompts as well.] I e-mailed him Scott Hansen's e-mail address, so that Scott can "join" him directly.) Below is corrected Tacite information (including corrected photograph identities [the round numbers]) that Jean-Jacques asked me to post:

---
Four Tacite launches were carried out, all from île du Island.
This rocket was designed by ONERA to carry the TACITE experiment (TACITE =
Tentative d'Analyse du Contraste Infrarouge de la TerrE = Attempt to
Analyze the IR Contrast of the Earth). It used a 1-D attitude control
system called PASCAL.
The first Tacite, launched on June 15, 1965, carried the TACITE-01
experiment. It was a success.
The second Tacite, that carried an X-ray experiment from CEA (CNES
reference FU169, with PASCAL ACS), was the only one to use a conical
nosecone. The vehicle exploded shortly after takeoff, November 23, 1967.
The second TACITE experiment (TACITE-02) was successfully launched by the
3rd Tacite rocket on May 15, 1968.
The 4th Tacite rocket carried the MINISIS experiment from LAS with a 3-D
attitude control system called CASSIOPEE (reference CNES FU183). It was
successfully launched on October 15, 1968. [NOTE: If you right-click on each Tacite 'thumbnail' picture below, then click "Save image as...", his photograph designations will appear on the file name line. - Blackshire]
---

I changed the name of the attached images to indicate the launch number
and date.
I have pictures of the other two Tacites but they are in black and white.
Attached Thumbnails
Click image for larger version

Name:  Tacite#1 1965Jun15.jpg
Views: 20
Size:  233.1 KB  Click image for larger version

Name:  Tacite#2 1967Nov23.jpg
Views: 24
Size:  183.8 KB  
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