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Old Nov 24, 2014, 10:53 AM
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United States, GA, Woodstock
Joined Sep 2013
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Flaperons vs Spoilerons

I need to slow the plane down onceI have landed. I have limited runway and do not want the plane to continue to roll on the pavement. Any suggestions, my guess would be flaperons. Let try to make this clear since I new at this. I have plane with elevons. So when I touch down and try to slow the plane elevons up or elevons down or neither and I chase the plane lol
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Last edited by decreale; Nov 24, 2014 at 12:31 PM.
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Old Nov 24, 2014, 11:07 AM
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Joined May 2005
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Why not try them and see which works best for you.

Personally I've found spoilerons to be far more useful, particularly on approach as they allow the plane to descend steeply without building up speed, or stalling.

Once the plane is on the ground, I don't think flapperons will do much good, and I'm not sure spoilerons will do that much either.
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Old Nov 24, 2014, 11:09 AM
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Disarray's Avatar
United States, GA, Gray
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I find that deploying spoilerons on a Telemaster after landing will help the plane stick to the runway. Flapperons will make it leap in the air at the same speed.
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Old Nov 24, 2014, 12:00 PM
WJH
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United States, FL, Spring Hill
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Flaperons on my 4*20 allow it to land slowly enough that rollout is a non issue. But again rollout is not an issue to begin with
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Old Nov 24, 2014, 12:23 PM
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Joined Jul 2014
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BOTH-- I use a 3 way switch.
Switch up = lotsa spoilers
switch mid = normal flight
switch down = 12% flaps (obviously the rate for spoilers and flaps is model dependent and you should understand their behavior with plenty of altitude before using near the ground)

this works great- I can throw on the spoilers on final , then often flip right down to flaps for flare and land. This allows the landing to be at very low airspeed. If your touchdown speed is low enough the braking problem is solved. If you need to come in hot, the spoilers might help on the ground but I think reducing your landing speed will be more beneficial.
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Old Nov 24, 2014, 12:52 PM
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eflightray's Avatar
South Wales U.K.
Joined Mar 2003
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Quote:
Originally Posted by decreale View Post
I need to slow the plane down onceI have landed. I have limited runway and do not want the plane to continue to roll on the pavement. Any suggestions, my guess would be flaperons. Let try to make this clear since I new at this. I have plane with elevons. So when I touch down and try to slow the plane elevons up or elevons down or neither and I chase the plane lol
If you can't land the model slower, (too heavy ?), you could try wheel brakes.
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Old Nov 24, 2014, 01:44 PM
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Dayton Intl, Ohio, United States
Joined Jan 2000
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When I used to fly off blacktop I just used a simple brake system. For Trike gear it can be as simple as a lever the presses against the wheel with up elevator.

Azarr
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Old Nov 24, 2014, 01:53 PM
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I use the spoilerons in high winds. Helps the plane stay on the ground.
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Old Nov 24, 2014, 01:56 PM
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Lnagel's Avatar
Moab, Utah, USA
Joined Apr 2003
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Quote:
Originally Posted by decreale View Post
et try to make this clear since I new at this. I have plane with elevons. So when I touch down and try to slow the plane elevons up or elevons down or neither and I chase the plane lol
With elevons you already have both spoilerons and flaperons.

Spoilerons simply move both ailerons up. With elevons that has the same effect as applying up elevator. Flaperons simply move both ailerons down. With elevons that has the same effect as applying down elevator. In other words, applying up elevator would have the same effect as deploying spoilerons and applying down elevator would have the same effect as deploying flaperons.

Larry
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Old Nov 24, 2014, 03:23 PM
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Mark Wood's Avatar
United States, CA, Bear Valley Springs
Joined Feb 2000
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Quote:
Originally Posted by Lnagel View Post
With elevons you already have both spoilerons and flaperons.
I was wondering when you all would notice that the OP said that he has elevons. Lol.
Leave it to Larry to notice first.

decreale: You can't use spoilerons or flaperons on your plane since it doesn't have separate ailerons and elevator.
What you have is up or down elevator. Learn how to land properly with what you have because that's all you've got.

mw
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Old Nov 24, 2014, 03:44 PM
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Carlsbad, CA
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I want to see a picture of your plane decreale.
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Old Nov 24, 2014, 08:18 PM
WJH
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United States, FL, Spring Hill
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Quote:
Originally Posted by Mark Wood View Post
I was wondering when you all would notice that the OP said that he has elevons. Lol.
Leave it to Larry to notice first.

mw
Doh!
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Old Yesterday, 12:03 PM
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United States, GA, Woodstock
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Picture of plane

Here is a picture of the plane. It is interesting if the plane touches the ground and I kill power wait 2 seconds and apply down elevator would that not cause drag and slow the plane. If I apply up elevator would I not get the same affect. The plane cannot lift off not enough speed just drag
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Old Yesterday, 12:43 PM
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United States, PA, Reading
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Quote:
I need to slow the plane down once I have landed.
An old school solution would be to place a thin cross-section of fuel tubing between the wheel collar and the wheel, adjusting the braking pressure by pushing in slightly on the wheel collar as you tighten it.
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Old Yesterday, 01:18 PM
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Carlsbad, CA
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Decreale,

Interesting plane. I have no experience with a ducted fan plane with wheels. The closest plane I've flown like that was a Multiplex funjet (4S 3600kv - scooted pretty fast) which was a belly lander and a pusher prop, but when you cut the power it dropped in nice and slow.

Good luck hope you figure out how to slow your plane down.

Ray
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