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gerf(at)gerf.com
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 Posted: Tue Jan 16, 2007 4:10 pm Post subject: Landing an RV-9 sans flaps ... |
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I'd be interested to hear other's experiences with flaps on the RV-9. So far I haven't used them on takeoff per Mike Seager's teaching. I haven't had much use for them on landing either. Admittedly its early days and I haven't been able to really get into the pattern what with the brand new engine, but she seems mushy and floaty with 1/2 flaps in the flare. With no flaps it just parks with a touch more speed and directional control. This could be my Citabria experience speaking .. ain't got no flaps.
g
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mrobert569(at)hotmail.com
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| Posted: Wed Jan 17, 2007 11:02 am Post subject: Landing an RV-9 sans flaps ... |
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I have over 350 hours on the RV-9A that I have been flying and have found the following things about the flaps on it. For landings I have found that up to about 2/3 to 3/4 you do get added lift and controlability. The last quarter is pretty much just drag to help slow the plane down. My final approach speed is 72-74 mph indicated. (yours may differ). With that being said my stall speed with full flaps is right around 47 mph indicated. We also happen to have an AOA sensor that agrees with the 47 mph. If I use the mid yellow range for approaches then my final indicated speed would be right around 68 mph but I find that the plane's controlability is better at just a slightly higher speed.
For take-offs I never use flaps unless it is a short field (less than 2000 ft), then I only use half flaps. I have also found out that the plane will go just fine up to around 140 IAS with flaps still down. You feel somewhat funny trying to figure out why the plane isn't going as fast as you think it should with 75% power until you notice the loose nut behind the control stick forgot to raise the flaps after take-off.
Again, this is just what I have found. Your results may vary.
Mike Robertson
Das Fed
RV-8A, RV-6A, RV-9A
| Quote: | From: gerf(at)gerf.com
To: rv-list(at)matronics.com
Date: Wed, 17 Jan 2007 00:09:54 +0000
Subject: Landing an RV-9 sans flaps ...
I'd be interested to hear other's experiences with flaps on the RV-9. So far I haven't used them on takeoff per Mike Seager's teaching. I haven't had much use for them on landing either. Admittedly its early days and I haven't been able to really get into the pattern what with the brand new engine, but she seems mushy and floaty with 1/2 flaps in the flare. With no flaps it just parks with a touch more speed and directional control. This could be my Citabria experience speaking .. ain't got no flaps.
g
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Get the Live.com Holiday Page for recipes, gift-giving ideas, and more. Check it out! [quote][b]
| | - The Matronics RV-List Email Forum - | | | Use the List Feature Navigator to browse the many List utilities available such as the Email Subscriptions page, Archive Search & Download, 7-Day Browse, Chat, FAQ, Photoshare, and much more:
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rv9jim(at)juno.com
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| Posted: Wed Jan 17, 2007 12:04 pm Post subject: Landing an RV-9 sans flaps ... |
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Thanks Mike,
Us newbies who are about to launch into the wonderful world of
"RV's" (especially the 9-A) appreciate the data. I hope to be launching
in about 4 months in my 9-A.
Jim Nelson
RV9-A QB
(Finishing up FWF)
| | - The Matronics RV-List Email Forum - | | | Use the List Feature Navigator to browse the many List utilities available such as the Email Subscriptions page, Archive Search & Download, 7-Day Browse, Chat, FAQ, Photoshare, and much more:
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