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A Better Cub Borrowed Wings Contactors Flying Other People’S Planes OCTOBER 2015 BELVOIR Engine Basics Shaped for Flight in the Shop

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A Better Cub Borrowed Wings Contactors Flying Other People’S Planes OCTOBER 2015 BELVOIR Engine Basics Shaped for Flight in the Shop CubCrafters Carbon® Cub - 2015 OCTOBER EX 2 www.kitplanes.com WITCH S THE Wires G Up it Small Joining Beefing Inthe Shop: • Retreads • • V I A Better Cub INGS W GLASS: MAKIN HE LANCAIR HE HAIN T G C RROR NGINE BASICS Decision Making Shaped for Flight Flying Other Planes People’s TAMING TAMING E E BORROWED GOIN KITPLANES OCTOBER 2015 Carbon Cub EX-2 • Flight Time • Glass Panel Upgrade • Engine Layouts • Other People’s Planes • Error Chain–Decisions • Recapped Tires • Electrical Contactors BELVOIR PUBLICATIONS October 2015 | Volume 32, Number 10 Flight Review 4 CARBON CUB EX-2: A good backcountry airplane gets even better. By Dave Prizio. Builder Spotlight 10 NAVIGATE THE GLASS TRANSITION: Learning to use an EFIS. By Katie Bosman Krotje. 14 TAMING THE LANCAIR IV: Vortecx winglets make a glass speedster faster, slower, and safer. By Lewis Bjork. 22 FLYING OTHER PEOPLE’S PLANES: Yes, it’s fun—but beware of unexpected problems. By Paul Dye. 30 30 GLASS PANEL UpGRADE: Adding a Garmin G3X Touch to a Wheeler Express. By Reinhard Metz. 36 WHO’S GOT THE TIME? Are you logging pilot flight time and aircraft time in service correctly? By Owen C. Baker. 40 ENGINE THEORY: Engine basics and layouts—why our engines are shaped the way they are. By Tom Wilson. 47 ERROR CHAIN: Aeronautical decision making—it seemed like a good idea at the time. By Michael Robinson. 75 ASK THE DAR: Lost logbooks and airworthiness certificate, confusion about Light Sport Aircraft. By Mel Asberry. Shop Talk 52 AIRCRAFT WIRING: Electrical system contactors for Experimental aircraft. By Marc Ausman. 54 MAINTENANce MATTERS: Recapped tires—save money without sacrificing quality. By Dave Prizio. 61 HOME SHOP MACHINIST: Boring on the vertical. By Bob Hadley. 64 THE New GUY: Getting the spark back. By David Boeshaar. 78 AERO ’LecTRICS: Beachball bingo. By Jim Weir. Shop Tip 29 JOINING TwO SMALL WIRES: By David Boeshaar. Designer’s Notebook 76 WIND TUNNEL: Beefing it up. By Barnaby Wainfan. 4 Exploring 3 EDITOR’S LOG: Have you asked why? By Paul Dye. 58 RISKY BUSINESS: Mission planning—stick to the plan. By Sid Mayeux. 66 CHecKPOINTS: Living the dream. By Vic Syracuse. Kit Bits 2 LeTTERS 69 LIST OF ADVERTISERS 70 BUILDERS’ MARKETPLAce 80 KIT STUFF: Drawing on experience. By cartoonist Robrucha. 14 On the cover: CubCrafters Carbon Cub EX-2 ready to leap skyward. Photographed by Richard VanderMeulen near Lakeland, Florida. For subscription information, contact KITPLANES® at 800/622-1065 or visit www.kitplanes.com/cs. KITPLANES October 2015 1 EDITORIAL Editor in Chief Paul Dye [email protected] Magic Hole Finder encourage him to write more of those Managing Editor Mark Schrimmer I would like to offer one more simple “hints and kinks” columns. Thanks! Art Direction Dan Maher method for finding hidden holes [“Find- DAVID MULHOLLAND Editorial Director Paul Bertorelli ing Hidden Holes,” August 2015]: Buy Contributing Editors Larry Anglisano, Marc Ausman, a pair of 3/8 x 3/8-inch ring magnets that Roy Beisswenger, Chuck Berthe, We’ve passed your thoughts on to Jim. David Boeshaar, LeRoy Cook, have a 3/16-inch hole in the middle. Place We’re never sure what is going to come out Robert Hadley, Dan Horton, one magnet on the back side of any non- of his workshop or computer next, but like Louise Hose, Amy Laboda, Dave Martin, Sid Mayeux, David Paule, magnetic bulkhead and the other mag- you, we almost always find the results to be Dave Prizio, Dean Sigler, Dick net will align concentrally on the blind interesting! —Ed. Starks, Eric Stewart, Vic Syracuse, Barnaby Wainfan, Jim Weir, side. Mark with a non-magnetic (i.e., Tom Wilson. stainless steel drill rod) transfer punch, SubSonex and Blériot Web Editor Omar Filipovic and you’re done. Purchase from K&J August was another great issue! I was Cartoonist Robrucha Magnetics, part #R636, $1.28 each. particularily impressed with the article ADVERTISING DAVE BARKER on the SubSonex practical jet posi- Sr. Advertising Manager Chuck Preston tioned right next door to the article on 805/382-3363 Heli-Coil Alternative the 1909 Blériot XI. Wonderful. The [email protected] I recently read the article on the Heli- tech articles were also really good and BUSINESS OFFICE Coil [“Home Shop Machinist,” July helpful. Thanks for a great magazine Belvoir Media Group, LLC 535 Connecticut Avenue 2015] as a thread reinforcer or replacer. with very fine articles and information. Norwalk, CT 06854-1713 I have had good results with Time-Serts STEVE NEAL EDITORIAL OFFICE (www.timesert.com). I use them exclu- 535 Connecticut Avenue sively in my Porsche for areas that strip We hoped readers would enjoy the juxta- Norwalk, CT 06854-1713 out. I have found them to be, in my position of the old and the new—the entire 832/851-6665 [email protected] applications, far superior to Heli-Coils spectrum of Experimental aviation!—Ed. for repairs of threads. Just wanted to CIRCULATION pass along another alternative. More Beachballs Circulation Manager Laura McMann JEff SPAHN I read the letter in the July issue asking SUBSCRIPTION DEPARTMENT about “Beachball.” My guess is that the 800/622-1065 term for frequency 123.45 MHz (or 1, www.kitplanes.com/cs Builders are always looking for alter- P.O. Box 8535, Big Sandy, TX 75755-8535 natives, and we encourage everyone to 2, 3, 4, 5) is how a beachball is counted For Canada: Box 7820 STN Main, London, ON N5Y5W1 research what works best for their particu- as it is being bounced around a group on REPRINTS FOR PUBLICATION lar application.—Ed. the beach or in the pool. Just my guess! AND WEB POSTING AVAILABLE DAN GIEBEL Minimum Order: 500 Hints and Kinks Contact Jennifer Jimolka, 203/857-3144 Thank you for an excellent magazine. Thanks for all the letters we received on I read it cover to cover every month. this. Several readers also mentioned the CHANGE OF ADDRESS? In the July issue, Jim Weir asked if we term “fingers.” When counting on your MISSING ISSUE? prefer multiple short tips in his “Aero SUBSCRIPTION QUESTION? fingers, you would say “one, two, three, ’lectrics” column, or the entire column four, five,” hence 123.45 MHz. If you hear Visit www.kitplanes.com/cs. dedicated to one subject. I do enjoy the “fingers,” you go to the frequency to talk— Or call 800/622-1065 from the U.S. and Canada. “hints and kinks” columns he does, or maybe not. For Jim Weir’s thoughts on rather than dedicated columns to one the use of the frequency, see this month’s Foreign 903/636-1112 or fax subject, but they are all good. Please 203/857-3100. Aero ’lectrics column on page 78.—Ed. J WEB SITE INFORMATION: General homebuilt aircraft information, back issue availability, online directories ordering info, plus a KITPLANES® article index and selected articles can be found at www.kitplanes.com. Unsolicited manuscripts: Are welcome on an exclusive basis, but none can be acknowledged or returned unless accompanied by a stamped, self-addressed envelope. No responsibility is assumed for loss or damage to unsolicited material. KITPLANES® (ISSN 0891-1851) is published monthly by Aviation Publishing Group, LLC, an affiliate of Belvoir Publications, 535 Connecticut Avenue, Norwalk, CT 06854-1713, Robert Englander, Chairman and CEO; Timothy H. Cole, Exec. Vice Pres./ Editorial Director; Philip L. Penny, COO; Greg King, Exec. Vice Pres./Marketing Dir.; Ron Goldberg, CFO; Tom Canfield, Vice Pres., Circulation. Periodicals postage paid at Norwalk, CT, and at additional mailing offices. Copyright ©2015 Aviation Publishing Group, LLC. All rights reserved. Reproduction in whole or in part is strictly prohibited. Printed in USA. Revenue Canada GST Account #128044658. Canada Publishing Agreement #40016479. Subscriptions: One year (12 issues) is $29.95 U.S. $41.95 in U.S. funds in Canada, includes GST. $41.95 in U.S. funds for Foreign Surface Mail or $57.95 in U.S. funds for Foreign Air Mail. Single copy price $4.99 U.S., $5.99 Canadian. POSTMASTER: Please send address changes and subscription inquiries to: KITPLANES®, P.O. Box 8535, Big Sandy, TX 75755-8535, or Canada Post: Return undeliverables to P.O. Box 2601, 6915 Dixie Rd, Mississauga, ON L4T 0A9 or call 800/622-1065. KITPLANES® is a registered trademark of Aviation Publishing Group, LLC. 2 KITPLANES October 2015 www.kitplanes.com & www.facebook.com/kitplanes EDITOR’S LOG Have you asked why? A few issues back, we presented a If all you know is generation to generation. nicely illustrated article on oil coolers. how to do a thing, but Hangar flying sessions Many of the pictures came from a visit don’t understand the are full of statements to a large and popular oil cooler spe- why, you can never about how something is cialty shop on the West Coast—folks expand on the knowl- done—but not why it is who work with coolers every single day edge, never develop a way done that way. for both the certified and Experimental to go further, get better per- So…why no Teflon tape? market. In one of those pictures, a tech- formance, fly faster, fly farther. It’s not because it doesn’t nician was installing an oil fitting into a Without the why, we are stuck work as a sealant—in fact, it cooler—and wrapping the threads with in our current place—forever. works quite well. The reason we Teflon tape to seal the joint. In fact, we—as a society, as a advise against it is that if you apply Of course, we received letters on group—are often stuck in one it incorrectly (over the end of the this—because one thing that seems to place simply because we don’t fitting), you can cut off a sliver that be taught everywhere in the aviation understand how to step ahead.
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