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Old 07-02-2003 | 01:07 AM
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Default Lancair Flaps

I only have a few flight on my Lancair. All of my landings have been relatively hot. I have been experimenting with the flaps to get a slower landing. So far, I cut in about 15 degrees and saw not appreciable effects. I think my main problem is high idle speed.

My bird has an OS 91 Surpass II with a 13 x 8 three blade prop. I have the idle set at ablut 2500 rpm before take off.

I have no problems on landings - nothing but grease. However, I would like to slow them down without stalling. Any real time Lancair model experienced pilots have any suggestions or techniques to share?
Old 07-02-2003 | 10:16 AM
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Default Lancair Flaps

15 degrees is the takeoff setting. Use full flaps for landing and you might actually need a little more throttle. It will slow down a lot! Practice a few mistakes high to get he hang of it. Also, if you are going too fast when you deploy the flaps, the plane will balloon up.

Mark
Old 07-02-2003 | 12:02 PM
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Default Flaps

OK, I'll give it a try next time out. I saw another pilot try a full flap landing on an asphault runway. The plane did come in very slow but bounced pretty high on touch down even though he made a pretty smooth landing. As with any plane, it takes some practice to get it right.

Thanks for the info
Old 07-03-2003 | 12:51 AM
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Default Lancair Flaps

Vic,

As you know I have the same set-up as you do.

I can get the idle down to 1500 RPM on my OS although I do have an onboard glow driver. I also keep a little more power on till touch down on landings. I would say I'm probably landing right around 1900-2000 RPM. I like to grease not bounce! LOL!
I would say for the most part I come in with 25-30 degrees flaps. If there's no wind I bring her in with full 45 degree flaps with about 7% down trim mixed in on the elevator and she settles right in.

Orvel
Old 07-03-2003 | 12:59 AM
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Default Lancair Flaps

Also Vic,

The Lancair will fly pretty slow with full flaps. I woudn't worry too much about stalling on landing. When I flew my maiden I took her up high to about 400 ft. brought the engine back to idle and threw in full flaps slowly feeding up elevator, I tell you she was almost standing still before she dropped a wing and stalled. Try it next time you fly!

Happy Flying!

Orvel
Old 07-03-2003 | 02:03 AM
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Default Idle speed

I am sure I can get the idle down lower but with a new engine, I was being a bit cautious. I also have an onboard glow system (manual switch on the side of the fuse). However, since the engine has been running well at idel, I generally turn it off after I start the engine.

I will try the high altitude, full flap trial next time out.

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