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  #11  
Old 12-08-2011, 12:12 AM
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Leo Leo is offline
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I've got several of these kits if you guys need additional help.
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  #12  
Old 12-08-2011, 01:34 AM
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blackshire blackshire is offline
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Quote:
Originally Posted by Leo
I've got several of these kits if you guys need additional help.
Wow--what an "embarrassment of riches" we have here on this rocket (which is a very *good* thing)! Leo, if you could scan its decal sheet, its printed balsa fins sheet, and the assembly instructions from the Aeronautical Lab Kit's manual as per the "Ye Olde Rocket Plans" file format (see: www.oldrocketplans.com/sendscans.htm ) and e-mail them to Scott Hansen (e-mail addresses: scott@rocketshoppe.com and scott@oldrocketplans.com ), this rocket would make a unique entry in the YORP plans archive. Also:

If you also have the parts for the "Hand-Launched Rocket" in the Aeronautical Lab Kit (it used the same plastic nose cone and a second body tube of the same size as the tube used for the "Solid Fuel Model Rocket"), it too would be well worth documenting in the same way. With its hinged "side parachute hatch" that was cut from the body tube, this rocket could be built either "stock" (for launch via an elastic band) or to incorporate a 13 mm motor mount in its swing-open hatch, for a unique parachute stowage & deployment method. In addition:

The nice thing about both of these rockets is that their self-adhesive decals could be printed out on letter-size (8.5" X 11" or A4 size) sheets of self-adhesive label material such as those made by Avery. Below I've reproduced the rockets' dimensions that could be listed in the "Notes" sections of their plans entries on "Ye Olde Rocket Plans":

[1] Body Diameter (I'm not sure if it's "BT-20-ish" or more like ST-7 tubing);
[2] Overall Length;
[3] Body Tube Length;
[4] Nose Cone Length;
[5] Diameter of Nose Cone Tip (if memory serves, the tip is flat--a small circle);
[6] Fin Root Chord (if scans are made of the rockets' balsa fin sheets, they could replace the fin dimensions listed in [6] through [10]);
[7] Fin Sweep Angle ([for "Solid Fuel Model Rocket"], because the extreme forward corner of the fin on the body is cut off);
[8] Fin Tip Chord;
[9] Height of cut-off extreme forward corner of fin (where it's cut off);
[10] Fin "Half-Span" (from root to tip);
[11] Fin thickness;
[12] Main Body Parachute Diameter (plus shroud line length if available);
[13] Nose Cone Parachute Diameter (plus shroud line length if available);
[14] Shock Cord Length (if the original);
[15] Depth of Motor Thrust Ring [or Length of Exposed Portion of Motor] (from instructions);
[16] Decal documentation (scans of the rockets' decal sheets);
[17] For "Hand-Launched Rocket," the size & shape of the parachute hatch; the size, shape, and location of its hand launch hook; and the length, width, and end locations of the parachute hatch's elastic deployment cord (scans of the relevant instruction pages in the Aeronautical Lab Kit's manual would document these items). Lastly:

Because the self-adhesive decals on both the "Hand-Launched Rocket" and the "Solid Fuel Model Rocket" have open fin alignment slots in their rear roll patterns, clones of these rockets would be useful to schools and youth groups because their fins would be "self-aligning"; the school or group instructors could help make sure that the roll pattern decals were applied correctly to the rockets' body tubes.
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Last edited by blackshire : 12-08-2011 at 01:42 AM. Reason: This ol' hoss done forgot somethin'.
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  #13  
Old 12-08-2011, 11:17 AM
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Give me a couple of days and I'll put a package together for the engine powered version. Rubber band hand launched version will come later.
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  #14  
Old 12-08-2011, 09:07 PM
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blackshire blackshire is offline
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Quote:
Originally Posted by Leo
Give me a couple of days and I'll put a package together for the engine powered version. Rubber band hand launched version will come later.
Thank you very much, Leo! And absolutely--at *your* convenience.
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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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  #15  
Old 12-18-2011, 10:53 AM
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Here the information I put together to build the Logix solid fuel rocket:

Click here to view...

Please check it out and let me know if something is missing or needs improvement.
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  #16  
Old 12-18-2011, 07:18 PM
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CPMcGraw CPMcGraw is offline
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After looking at the photo of the fin sheet on Leo's site, I thought everyone might appreciate having a "Krellvenator Pattern" for cutting a set of four fins...

The plans on Leo's site show a "normal looking" fin tip, but the sheet in his photo set clearly shows a tip extension. Since the sheet appears to be inked only, and not die-crunched, one presumes the builder would cut the fin to match that shape. So, I'm leaving that tab in place for nostalgia.

Hope this helps!

ADDENDUM: The files have just been corrected. Spotted an error in the line layouts.
Attached Thumbnails
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Name:  Logix Fin Sheet CDR10.PNG
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File Type: zip Logix Fin Sheet CDR10.zip (22.8 KB, 27 views)
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Last edited by CPMcGraw : 12-18-2011 at 07:57 PM. Reason: Found a bug in the image...
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  #17  
Old 12-18-2011, 09:32 PM
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blackshire blackshire is offline
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Quote:
Originally Posted by CPMcGraw
After looking at the photo of the fin sheet on Leo's site, I thought everyone might appreciate having a "Krellvenator Pattern" for cutting a set of four fins...

The plans on Leo's site show a "normal looking" fin tip, but the sheet in his photo set clearly shows a tip extension. Since the sheet appears to be inked only, and not die-crunched, one presumes the builder would cut the fin to match that shape. So, I'm leaving that tab in place for nostalgia.

Hope this helps!

ADDENDUM: The files have just been corrected. Spotted an error in the line layouts.
Thank you! Yes, I don't know why the folks at Logix left those "Redstone-esque" fin tips on the printed balsa sheet. I guess that with all of the many other projects in that Aeronautical Lab Kit, it was just an oversight.
__________________
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.
NAR #54895 SR
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  #18  
Old 12-18-2011, 09:44 PM
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blackshire blackshire is offline
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Quote:
Originally Posted by Leo
Here the information I put together to build the Logix solid fuel rocket:

Click here to view...

Please check it out and let me know if something is missing or needs improvement.
This is excellent! I hadn't thought of including a substitute parts (Semroc parts) list. Also:

I am just curious as to whether the body tube is a "hard metric" length (300 mm) or a "soft conversion" from 12" (305 mm). Since the Canadians had just begun their (still uncompleted) conversion to the metric system (in 1971, if memory serves) before the Aeronautical Lab Kit came out in 1973 (all figures given in its manual are metric), I wouldn't be surprised if some of the parts in the kit were made to "soft-converted" inch-based specifications using legacy inch-based tooling.
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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.
NAR #54895 SR

Last edited by blackshire : 12-18-2011 at 09:47 PM. Reason: This ol' hoss done forgot somethin'.
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  #19  
Old 12-19-2011, 12:21 AM
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Leo Leo is offline
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I'm sure Logix meant the fins to be cut from the balsa sheet in this manner:



The body tube lengths are neither metric nor inches. As with many other items of the lab kit the parts weren't the best of quality. I will measure several of the tubes I have for the very exact size
However when cloning the kit I would opt for 12" length.
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  #20  
Old 12-19-2011, 02:03 AM
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blackshire blackshire is offline
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Quote:
Originally Posted by Leo
I'm sure Logix meant the fins to be cut from the balsa sheet in this manner:



The body tube lengths are neither metric nor inches. As with many other items of the lab kit the parts weren't the best of quality. I will measure several of the tubes I have for the very exact size
However when cloning the kit I would opt for 12" length.
Yes, that's how I cut out the fins for mine. The body tubes did have rather coarse finishes, with prominent (but not "canyon-like") spirals. Thank you for measuring them! (They might have "loose tolerances," like the body tubes of the MPC Miniroc kits--the body tube of JAL3's Taurus-1 measured 7-39/64" in length instead of an even 8".) Also:

How can we print the decal scans at 100% size (the images are BMP files)? Do they work like PDFs (where they'll print at 100% size if "no scaling" is selected), or do the BMPs require something different to print at 100% size? If we can do that, those black-and-white decals can be printed on self-adhesive label paper, as were the originals.
__________________
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.
NAR #54895 SR

Last edited by blackshire : 12-19-2011 at 02:10 AM. Reason: This ol' hoss done forgot somethin'.
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