Lancair Flaps
#1
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From: Columbia, MD
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?
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?
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From: South Plainfield, NJ
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
Mark
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From: Columbia, MD
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
Thanks for the info
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From: Allentown,
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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
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
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From: Allentown,
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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
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
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From: Columbia, MD
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.
I will try the high altitude, full flap trial next time out.



