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Newsletter October 1997 Volume 17, Number 10

Chapter 724, Experimental Aircraft Association Merritt Island, Florida Mailing address: P. O. Box 320923, Cocoa Beach, FL 32931 Internet Web Site: http://www.CHECK.com/EAA724

Officers Technical Counselors President: John Murphy 783-1515 Ted Yon 783-7966 Vice President: Eric Kennard 631-3264 John Murphy 783-1515 Secretary/Treasurer: John Soukup 783-7128 Young Eagle Coordinator Newsletter Editor: Fred Mahan 452-5797 Tony Yacono 459-0080

The next meeting will be the second Wednesday of October October 8, 1997, 7:30 P. M.

Big Merritt Island Air Service Hangar, South Side of Runway Second Floor, Southwest Corner Meeting Room

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EAA Chapter 724 P. O. Box 320923 Cocoa Beach, FL 32931 2

Calendar of Upcoming Events Every Second Sunday, Naples Airport, EAA Oct 10-11 Plant City, EAA Chapter 1178 Annual Chapter 1067 Fly-In Breakfast, 941-261-5701. Strawberry Aircraft & Auto Show, 1-800-760- Every Third Sunday, Kissimmee Municipal 2315. Airport, west side of the field, 9 am on. Oct 10-12 Thomasville, GA, Thomasville Aviation Every Fourth Sunday, Bob Lee Airport, De Land, Club Fly-In Extravaganza, 912-226-4708. EAA Chapter 635 Fly-In Picnic, 904-734-1032. Oct 10-12 Evergreen, AL, SE Regional Fly-In, Every Last Sunday, Quincy, FL, EAA Chapter 445 334-765-9109. Pancake Breakfast, 904-421-4335. Oct 17-19 Lake Wales Airport, 1997 International ______(Model) Jet Rally, 941-677-1785. Oct 23-25 Orlando Executive Airport, AOPA Expo September Meeting '97, 1-301-695-2000. Nov 1-2 Sun ‘n Fun Wings ‘n Things 97, 941-644- The 44 faithful that attended heard a report 0741 on the Cozy Mk IV project of Brice Daunay. Nov 1-2 Miami, EAA Chapter 620 Air Fest, Brice’s Cozy was being built with a Wankel rotary Tamiami Airport. engine and an Infinity retractable gear. Brice Nov 1-2 Lakeland, Alexander Sportair/EAA/ reported that gear down seemed to affect roll Aircraft Spruce Workshop, 1-800-967-5746. control. Nov 1-2 Jacksonville, Airshow, Cecil Field NAS Prez John Murphy reported that Superior Air Nov 2 Lantana Airport Annual Pancake Breakfast Parts is in Chapter 11 bankruptcy, and may be Nov 7-8 Pensacola, Blue Angels Homecoming looking for a buyer. Superior is still shipping parts, Airshow, NAS Pensacola. however. John also reported that Lycoming was Nov 7-9 Fantasy of Flight, Polk City, Wings and selling off old machine tooling at their Williamsport Strings Music Festival, 941-984-3500. plant. Lycoming apparently is going to be in the Nov 8 EAA Chapter 908 Fly-In Breakfast, engine assembly business, with the manufacture of Melrose, 2939.55’, 8157.54’, 561-461-0346. all parts being subcontracted out. Nov 8-9 Daytona Beach, Daytona Beach Skyfest. One chapter member reported that a Nov 15-16 Florida Flying Gators Ultralight precision GPS approach was being set up at Flagler Association Annual Fly-In, 407-767-9621. County Airport. Dec 6-7 Lakeland, Lakeland Airport Annual ______Christmas Party Apr 19-25, 1998 Sun 'n Fun. Guest Speaker at October Meeting May 3-4 Ft. Lauderdale, Shell Air and Sea Show, 954-527-5600, ext. 88. Chapter Secretary/Treasurer John Soukup Jul 22-26 PRA Convention, Mentone Airport, had arranged for Kevin Kimball to be a guest Mentone, IN. speaker at out September chapter meeting. Kevin Jul 29-Aug 4 Oshkosh. had a last-minute conflict and was not able to make it to our September meeting, but has agreed to be at Regularly Scheduled EAA Fly-Ins Across the October meeting. Kevin and Jim Kimball Florida operate Jim Kimball Enterprises, Inc., in Zellwood, Every First Saturday, Cannon Creek Airpark, which constructs aircraft replicas. Kevin is going to Lake City, Fly-In Breakfast, 904-755-4760 bring a slide presentation of construction of a Gee Every Second Saturday, Charlotte County Airport, Bee Model Z done in their shop, and perhaps Punta Gorda, EAA Chapter 565 Pancake Breakfast, information on other projects they are working on telephone number TBA. and have completed. Should be quite interesting! Every Third Saturday, Sebring Airport, EAA Thank you, John, for setting this up for us! Chapter 803 Pancake Breakfast, 941-465-6996. ______Every First Sunday, Ft. Myers Airport, Chapter 66 Pancake Breakfast, 941-945-7000. Valkaria Airport 3 According to Mark Cannon, the county airworthiness assessment should be thru an engine Commission has decided to go ahead and repave examination. 09/27. He reported that AOPA assisted in dealing 2. The most probable damage in both with the FAA, and that the FAA insisted the runway Lycoming and Continental engines is a crankshaft was needed. crack at the rear radius of the oil slinger. This type He also said it now appears slim that the of damage can only be found thru removing the Melbourne Airport Authority will take over the crankshaft from the engine and magnafluxing the operation of Valkaria Airport. Valkaria may get its crank. own airport authority, but nothing has yet been 3. Lycoming crankshafts will crack without decided. The county is starting to advertise for an bending. The loading applied to the crankshaft may airport manager for Valkaria, Mark said. not be a bending load but may be a twisting or For more details contact Mark Cannon at shoving load that will result in a crack without 724-8671. bending the crankshaft. “Dialing” the flange will ______not detect this type of damage. 4. Continental crankshafts will have a Sport Aviation 40 Years Ago greater tendency to crack. The flange of the Continental crankshaft is hardened and normally The October, 1957, issue of “Experimenter” will not bend. It is rather like trying to bend a good had a report on the 5th Annual EAA Fly-In. quality drill bit. It will break before it bends. Twenty-four homebuilts were there, including B. D. Dialing a Continental crankshaft will not be very Maule’s M-4 “Bee Dee,” the prototype of today’s informative either. Maule and two Tailwinds. Ten antiques were there, 5. The crankcase may be bent or cracked. all pre-WW2 birds which might have been as little Typical crack point is at the front main bearing as 15 years old, back then. One of what we’d now boss. call a “warbird” was there, a rare Curtiss-Wright 6. The counterweight hangar may crack. CW-22B. Some attendees who were or later The counterweight bushing may crack or be became famous in flying circles were above- bruised. At 1000 RPM the counterweight has a mentioned Bedford D. Maule, George Meyer (Little centrifugal load of 3 tons for a Lycoming engine Toot), Ray Stits, Frank Tallman (stunt pilot), and and 2.4 tons for a Continental engine. At 1750 Prof. August Raspet (aerodynamicist), Total RPM the loading is 10 tons for Lycoming and 8 expenses for the Fly-In were $1840. The top door tons for Continental. During a prop strike the prize was a West Bend color-glo electric percolator. counterweights will momentarily stop rotating and ______will slam against the crankshaft hangar housing. 7. We agree with Continental and Prop Strikes Lycoming in that not every propeller strike requires From Sacramento Sky Ranch Service Manual an engine tear-down. However, based on past experience we know enough to know that we don’t Sky Ranch has been doing engine overhaul know if damage has occurred without a engine and engine repairs as a Teledyne continental teardown. distributor and as a Avco Lycoming distributor for ______47 years. During this period we have performed several hundred propeller strike examinations and Chapter Internet Site approximately 30 engine accident examinations for the FAA. Based on this extensive experience we Did you know that Chapter 724 has an have made the following observations: Internet Web Site, set up by chapter member and 1. You cannot reliably predict whether the on-line impresario Ron Cadby, and an E-mail engine has been damaged. We have seen very address (which forwards your note to your minor strikes result in crankshaft breakage. newsletter editor -- me)? The address is: Conversely, we have seen major aircraft accidents http://www.CHECK.com/EAA724 where the engine was undamaged. Consequently, Go have a look. You can contact Ron at his E-mail address at: [email protected] 4 ______