Sport Rocketry

EDITOR'S 4 MAY/JUNE 2022 SPORT ROCKETRY SPORT ROCKETRY (ISSN 08-83-0991, USPS 961-660) is published bi-monthly by the National Association of Rocketry, 2275 Geode Street, Marion, Iowa 52302, 1-800-262-4872; a non-profit organization dedicated to the growth of hobby rocketry. Email: nar-hq@nar.org World Wide Web: http://www.nar.org POSTMASTER: Send Address Changes to: Sport Rocketry, P.O. Box 407, Marion, Iowa, 52302. Periodicals postage paid at Marion, Iowa and at additional mailing offices. ADDRESS CHANGES: Direct all address changes and requests for missing or damaged issue replacements to: NAR, Box 407, Marion, Iowa 52302, Email: nar-hq@nar.org. Please make address changes at least six weeks prior to change to avoid missing issues. The Post Office will not forward unless postage is guaranteed by the subscriber. SUBMISSIONS AND CONTENT: We cannot assume responsibility for unsolicited materials. All submissions become the property of the National Association of Rocketry. Opinions expressed in articles and commentaries are those of the author(s) and do not necessarily reflect the views of the NAR or its officers. Designs presented are believed to be reliable, but Sport Rocketry assumes NO liability for unsafe use. Always check models for stability in accordance with accepted practice and follow the NAR Safety Code at all times. PERMISSIONS AND COPYRIGHTS: ©2022, National Association of Rocketry. All rights reserved. No part of this publica- tion may be reproduced or copied in any form or by any means, graphic, electronic or mechanical, including photocopying, recording, taping or via information storage and retrieval systems without prior written permission of Sport Rocketry. Advertisements appearing in Sport Rocketry magazine are offered for the convenience of our readers. The NAR has no direct knowledge of the materials or services offered by advertisers, provides no guarantees as to the quality of the items listed for sale or the accuracy of the information provided about the sale items, and does not provide any endorsement of any advertiser, product, or service. EXECUTIVE EDITOR: Thomas Beach, 432 Pruitt Avenue, White Rock, NM 87547, Phone: 505.672.0249, E-mail: TEBeach@gmail.com. MANUFACTS EDITOR: Tim Quigg, NAR62887@gmail.com AD SALES/PRODUCTION: Todd Schweim, 502 Garfield Avenue, N. Mankato, MN 56003, Phone: 715.557.0086, E-mail: communications@nar.org. Submission Guidelines Deadlines for submission of material to are as follows: Issue Cover Mailed Deadline Jan/Feb., 22 Jan. 3 Nov. 8, 2021 March/April March 7 Jan. 3, 2022 May/June May 2 March 7 July/Aug. July 5 May 2 Sept./Oct. Sept. 5 July 5 Nov./Dec. Nov. 7 Sept. 5 Submissions should be sent by mail to: Thomas Beach Editor, Sport Rocketry 432 Pruitt Avenue White Rock, NM 87547 Phone: (505) 672-0249 evenings Or, sent via electronic mail to: TEBeach@gmail.com or, SReditor@nar.org Always include your name, address, phone number, and e -mail address with all submis- sions (and not just on the envelope). Including an email address allows us to acknowledge receipt of your submis- sion and conduct correspondence faster. If you have questions about the current disposition of a submission, contact the editor via email, phone, or mail. Content: We prefer articles that have at least one photo or diagram for every 720 words of text. Any type of rocketry related submission will be considered, including: plans, photos, launch reports, product reviews, articles, tips, techniques, histori- cal, and club activities. Both model rocket and high-power rocket articles are accepted. Articles may be submitted by email, on computer disk, or as hardcopy (even handwritten). Be aware that publication of hardcopy submissions may be delayed until it can be keyed in. Computer files may be submitted on CD or DVD, in either Macin- tosh or PC formats; always enclose a hardcopy printout as well. Save the article as a plain ASCII text-only file. You may also save it as a word processor file to preserve formatting (save using an older file format to make file conversion easier for us). Photographs can be submitted as prints or 35 mm slides. Prints should be glossy, color or black & white, no larger than 8x10 and no smaller than 3x5. Always affix your name and a caption to the back of the photo. Do not write directly onto pho- tos; use tape or post-notes. Ship photos with the faces protected. Digital Images require at least 150 ppi at the final size and cropping used in the magazine. Higher resolutions are pre - ferred. Minimal image compression is preferred. Images should be in separate files, not embedded in the article file. Graphics may be submitted in computer form on disk, or as camera-ready hardcopy. Hand drawn sketches are accepted. Be aware that publication may be delayed if we must prepare publication quality drawings from hardcopy. Computer generated graphics are preferred in vector formats, such as EPS (encap- sulated Postscript), rather than bitmapped formats. Contact the editor about file formats to use. Material submitted to Sport Rocketry must not be submitted to another publication, other than NAR section newsletters. You re - tain the copyright to your material. You grant the NAR the right to use your submission in Sport Rocketry magazine and in other NAR and NAR Section publications, unless you specify other restrictions. The physical media submitted becomes the property of the NAR and cannot be returned unless pre -arranged with the editor. I'm a fan of Adam Savage's Tested You- Tube channel. He oen uses some inter- esting tools that I never knew existed, and sometimes I find them useful in my rocket building. Here are a few of the items that I learned about from his channel (no, I didn't just grab Adam-in- spired stuff from my work bench to show off because I couldn't think of anything else to write for this issue; well, yes, that's actu- ally exactly what hap- pened). Steel 1-2-3 blocks are 1"x2"x3" in size and either solid or have holes through them. I don't know what ma- chinists use these for, but I use them to prop up model parts, or as handy weights, or when I need a small flat surface or square corner. I don't need thousandth-of-an-inch precision, so I bought cheap ones. Who knew that I'd find a tiny machinist square useful when marking or laying out parts, but I love my 80x50mm square. We all do a lot of sanding (and I sand even more now that I 3D-print parts), and Adam recommended MAKARTT nail files as a handy way to sand— they are like super em- ery boards. I have a scroll saw that I use to cut out fins and centering rings, but I never knew that spiral blades existed that al- low cutting in any di- rection. Very handy. I learned about not just tools, but also paint. Molotow Liquid Chrome paint gives an amazingly shiny chrome finish. And Al- clad II Gloss Klear Kote is a clear finish that doesn't make metallic paint turn dull when it's sprayed on.

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