June 2006
| Update from September Modeller's Jamboree: There are now two different shows. Saturday is more of "History of Flight," and Sunday is a rendition of Cole Palen's WW1 parody. On Saturday: The Jenny, no longer flown, was taxi'd. It initially refused to start properly on a half dozen or more attempts. Each time it fired in reverse rotation. Finally, when it did start in the correct rotation, it coughed and backfired repeatedly. Even after a brief warm-up, it ran ragged with an occasional backfire. I also noted that there was something resembling cooling fluid residue (dirty water) on the bottom tank of the radiator. An earlier comment that the Jenny was flown during the week, left me wondering if the pilot didn't understand that the flying time on this plane is limited due to an under-sized radiator (It has an OX-5 radiator which is smaller than one for a Hispano-Suiza engine). A knowing pilot told me years ago that the plane could only be flown for about fifteen minutes on hot days (including warm-up time) before the temperature guage began to show hot. Severely overheating of the Hispano-Suiza, whether accidental or through negligence, would cause permanent damage, requiring an overhaul. Maybe the truth will become known. It could be that lack of proper maintenance is the cause for the Jenny's problematic engine. The Caudron refused intially to start, but when it did, it only ran up to speed and then quit. Just before stopping it would catch and run up to speed again, only to quit. It did this for about ten times before the demonstartion was halted. It was unable to taxi. The crowd was good, perhaps as many as a thousand or more people. But, like many other shows previously, people were leaving before the end. Following the show, the RC model demonstrations were aborted due to an incoming storm. After the Museum closed, the Hall-Scott engine in the Curtiss "D" Pusher was swapped for an OX-5. The earlier reason given for retiring the Curtiss was a fatigued valve train, per Chad Wille in 2004. No further information is available at this time. |
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Most recent update Oct 01, 2006