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  #1  
Old 12-21-2010, 09:16 PM
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blackshire blackshire is offline
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Default Logix rocket dimensions?

Hello All,

Today I received an order that contained several of the new Estes 6" parachutes, and they got me thinking about the model rocket in the Aeronautical Lab Kit that was made by Logix Enterprises and Science Fair in the 1970s (see: http://www.samstoybox.com/toys/Aeronautic.html ). It used a 10" or 12" parachute for the body and a 6" 'chute for the nose cone.

Does anyone here know how long the rocket's BT-20/30-ish body tube and nose cone were and/or have the rocket's fin pattern or fin dimensions? The Estes PNC-20A or Starlight PNC7D nose cones could be used for clones of this rocket.

Many thanks in advance to anyone who can help.
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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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Last edited by blackshire : 12-21-2010 at 09:23 PM. Reason: This ol' hoss done forgot somethin'.
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  #2  
Old 11-29-2011, 09:11 PM
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Year later! How about that!! I got one of these that is in the middle of a restore. Do you still need some info on it?
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  #3  
Old 11-29-2011, 09:53 PM
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blackshire blackshire is offline
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Quote:
Originally Posted by vigilante
Year later! How about that!! I got one of these that is in the middle of a restore. Do you still need some info on it?
Yes, indeed! Also, please send the data (and instructions scans and/or photos of the Logix rocket) to Scott Hansen (e-mail addresses: scott@rocketshoppe.com and scott@oldrocketplans.com ) at "Ye Olde Rocket Plans" (YORP, see: www.oldrocketplans.com ) so that it can be preserved for all kit cloners. The needed information would be:

[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;
[7] Fin Sweep Angle (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 (number and size[s] of "check[s]" in the black-and-white checkerboard roll patterns, the lengths of the roll patterns, their placement locations as measured from one or both ends of the body tube, the widths of the white and black bands, and the widths of the fin guide "missing strips" in the rear roll pattern decal). Also:

Sketches of the decals, with the measurements of their features ("checks," bands, etc.) included on the sketches, would enable anyone to easily reproduce the decals. Since the original decals were printed on self-adhesive glossy paper, they could be reproduced by printing them on Avery self-adhesive label paper (maybe Sandman would whip up a set of these?). Thank you very much for making scale data on this rare Canadian model rocket available!
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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 : 11-29-2011 at 09:58 PM. Reason: This ol' hoss done forgot somethin'.
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Old 11-29-2011, 10:42 PM
A Fish Named Wallyum A Fish Named Wallyum is offline
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I still have the book that came with the set.
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  #5  
Old 11-29-2011, 11:12 PM
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blackshire blackshire is offline
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Quote:
Originally Posted by A Fish Named Wallyum
I still have the book that came with the set.
I had one of those Aeronautical Lab Kits in the 1970s (the Logix-brand one), but it is long gone, so I bought a manual from one on eBay a couple of years ago. I loved the kit's square-base launch pad and "safety key-less" launch controller, which both used styrene foam pieces for their main structural components! :-)
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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
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Old 11-30-2011, 09:33 AM
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Sorry to get your hopes up my friend but all I have is the rocket itself. No decals or parachute(s) either. I can give you the BT and NC length, and the fin dimensions but that's about it.
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Old 11-30-2011, 10:01 PM
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blackshire blackshire is offline
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Quote:
Originally Posted by vigilante
Sorry to get your hopes up my friend but all I have is the rocket itself. No decals or parachute(s) either. I can give you the BT and NC length, and the fin dimensions but that's about it.
That's fine--those measurements will be sufficient to replicate the rocket. The Aeronautical Lab Kit manual has quite good renderings of the decals, and they were simple in design, so replicating them wouldn't be too difficult. Also:

I'm pretty sure the nose cone parachute was 6" (or maybe 15 cm) wide, and the rocket body parachute was either 10" (25 cm?) or 12" (30 cm?) in diameter. (Since at least the Logix-brand Aeronautical Lab Kit [the one I had] was made in Canada and those were the years of the big push for metric conversion in both Canada and the USA [all measurements given in the manual are metric], the parachutes may have been made in metric sizes.)
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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 : 11-30-2011 at 10:07 PM. Reason: This ol' hoss done forgot somethin'.
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  #8  
Old 11-30-2011, 11:24 PM
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blackshire blackshire is offline
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Mr. Sam Cancilla, on whose "Sam's Toy Box" web site I found photographs of the Logix (and also Science Fair) Aeronautical Lab Kits (see: http://www.samstoybox.com/toys/Aeronautic.html ), has kindly scanned the decals and printed balsa fin sheets of the "Solid Fuel Model Rockets" (as they are called in the Aeronautical Lab Kit manual) and sent me links to his scans (which are included below). As he told me:

"I was able to scan the decals from one of the two sets--both sets of decals are the same though laid out differently on the two decal sheets. The sheet I scanned is about 9 x 16 inches which is too big for my scanner so I did it with two scans:

http://www.samstoybox.com/toypics/logixdecals1.jpg
http://www.samstoybox.com/toypics/logixdecals2.jpg
http://www.samstoybox.com/toypics/logixinstructions.jpg

"These are both nearly 2MB files. Hopefully these can be printed on letter size paper and pieced together to get the one decal that is split across both sheets. The third image is of the first instruction page for the solid engine rocket showing that you use decals #5 and #6 on the rocket tube. The only other decals used on this rocket are #3-#4 used to attach the parachute shock cords and #8, the CG label." Also, below are his scans of the rockets' printed balsa fin sheets. As Mr. Cancilla described them:

"I hadn't gone to the rocket forum before sending you the links to the decal scans. It appears I might be able to help more:"

http://www.samstoybox.com/toypics/logixbalsa1.jpg
http://www.samstoybox.com/toypics/logixbalsa2.jpg

"These are scans of the actual balsa wood strip which includes the fins for the propellant rocket, part PR01 at the top of the first scan. The second scan is the other end of the balsa strip and shows that it is 1/16" thick. Note that these files are huge, about 3MB as I laid graph paper over the items to make it easier to scale things. Cheers,

Sam" In addition:

**MANY THANKS** to Sam Cancilla for enabling us to preserve the plans for this rare Canadian model rocket! These will enable avid rocket kit cloners to reproduce this rocket using current parts and reproduction decals, which could be printed (as the original decals were) on self-adhesive label paper.
__________________
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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Old 12-07-2011, 04:53 PM
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vigilante vigilante is offline
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Great job on getting those details!! I had seen that site and never had thought of asking for any info!!

You still want a few NC dimensions?
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Old 12-07-2011, 11:50 PM
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blackshire blackshire is offline
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Quote:
Originally Posted by vigilante
Great job on getting those details!! I had seen that site and never had thought of asking for any info!!
Thank you!
Quote:
Originally Posted by vigilante
You still want a few NC dimensions?
Was Sea Biscuit a Thoroughbred? :-) Indeed I do (and not just for me, but for anyone who might wish to clone this rocket). Also, could you measure the outside diameter of the body tube (or the nose cone)? While I think it's about BT-20 size, I seem to recall 18 mm motors fitting inside the tube (which was rather thick-walled, if memory serves) a bit loosely, so the body tube may be BT-30 or ST-7 size, or something close to one of those sizes.
__________________
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 : 12-07-2011 at 11:53 PM. Reason: This ol' hoss done forgot somethin'.
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