PDA

View Full Version : TACITE sounding rocket


blackshire
10-07-2011, 02:53 AM
Hello All,

Below is scale data on a sounding rocket that would make a good beginners' scale model rocket. The only missing information is the color data, although I'm pretty sure that the vehicles were red (can anyone here confirm or correct this?). In the spirit of Peter Alway's book "Scale Bash" (which contained scale data, fin patterns, and body tube lengths for scale model rockets that could be built from various non-scale Estes kits), below are links to scale data on the French ONERA TACITE sounding rocket. This single-stage, solid propellant vehicle could send a 200 kg payload to an altitude of 200 km. A scale model of it could use the BT-50 size 3:1 tangent ogive plastic nose cone that is found in the Estes Alpha kit, or (for a larger-scale TACITE model) the BT-60 size 3:1 tangent ogive plastic nose cone in the Estes StormCaster kit could be used. Also:

The attached TACITE photographs below show vehicles fitted with biconical nose cones, but the vehicles could also use 3:1 ogive nose cones (from the Titus sounding rocket, see: http://www.probertencyclopaedia.com/cgi-bin/res.pl?keyword=ONERA&offset=0 ). The biconical nose cone-equipped TACITE rounds would make good cardstock models (including their faceted "wedge-section" fins). Below are seven links to material on the TACITE sounding rocket:

[1] http://publications.onera.fr/exl-doc/DOC89593_s1.pdf (has fin and payload details)
[2] http://www.probertencyclopaedia.com/cgi-bin/res.pl?keyword=measurements&section=.&offset=20
[3] http://www.astronautix.com/lvs/tacite.htm
[4] http://membres.multimania.fr/europespace/1965.html
[5] (English translation of [4]): http://translate.google.com/translate?hl=en&sl=fr&u=http://membres.multimania.fr/europespace/1965.html&ei=Wp2OTrBY4uSxAq7s6YkB&sa=X&oi=translate&ct=result&resnum=6&ved=0CEEQ7gEwBTgK&prev=/search%3Fq%3DONERA%2BTacite%2Brocket%26start%3D10%26hl%3Den%26sa%3DN%26biw%3D792%26bih%3D377%26prmd%3Dimvns
[6] http://www.flightglobal.com/pdfarchive/view/1965/1965%20-%201898.html
[7] http://www.flightglobal.com/pdfarchive/view/1968/1968%20-%200171.html

I hope this material will be useful.

Ez2cDave
04-18-2020, 10:43 AM
With the exception of the first one, all of your links are dead. Do you have any updated links or can you post the information directly ?

Dave F.

blackshire
04-18-2020, 05:39 PM
With the exception of the first one, all of your links are dead. Do you have any updated links or can you post the information directly ?

Dave F.I'm afraid not. BUT...Jean-Jacques Serra, a French spaceflight historian who is also interested in sounding rockets (see: http://www.sat-net.com/serra/index_e.htm - TACITE is covered in the section "Berenice and its descendants" http://www.sat-net.com/serra/subor_e.htm ) has a lot of material on the TACITE and other French sounding rockets (and on other European sounding rockets). I have just sent an e-mail message to him.

MarkB.
04-19-2020, 12:03 AM
Well,

Based on VERY limited data, a 1/10 would be 30.5" tall on BT-70.

I'm interested.

Alright Blackshire, we need more data.

blackshire
04-19-2020, 12:11 AM
Well,

Based on VERY limited data, a 1/10 would be 27.5" tall on BT-70.

I'm interested.

Alright Blackshire, we need more data.I've e-mailed Jean-Jacques Serra (e-mail: jj.serra@wanadoo.fr - the time zone difference is why I haven't yet heard back from him [unless he's in hospital with the ChiComm flu--let's hope not!]).

blackshire
04-19-2020, 03:39 AM
Well,

Based on VERY limited data, a 1/10 would be 27.5" tall on BT-70.

I'm interested.

Alright Blackshire, we need more data.Here you go: https://www.oldrocketforum.com/showthread.php?t=18447 . Jean-Jacques Serra graciously sent me that TACITE (and other ONERA rockets) scale data this morning.