im flying a nexstar it is equiped with standard jr servos and a evo 56 nx and i have the bolt on speed brakes on it as well as it is a missile with that 56 on it but i am wondering if i can get more acrobaticale with my plane with out the brakes and still acheve a slow landing approach the same with flaps as i do with the brakesthanks for all suggestions

You can take the speed brakes off. The Nextar will slow down just fine so long as you have a good, low, reliable idle. There is no need for flaps on that airplane.

Ditto.  Don't need flaps or brakes on that plane.

I think you're confused over the functions of speed brakes verus flaps......a speed break will be installed in the fusleage, or top of the wing, or on the bottom of the wing directly under a speed break on top of the wing.....it's function is to increase drag..slowing the aircraft.....
Flaps are installed on the wing.....there function is to increase the curvature of the wing.....allowing the wing to generate lift at lower airspeeds.....a side effect of flaps is increased drag.....therefore you need more power to counter drag and maintain the same airspeed. but at the same airspeed the lift has increased so the aircraft will baloon up on you.......
there is a couple of things you can do to slow your aircraft for landing.....most important a nice slow idel, with the correct sized prop.....descend on the downwind leg, level off on the base leg.continue the descent on final.....if all else fails side slip the aircraft side to side....this requires rudder and opposite ailerons..then reverse it all so the nose of the airplane swings side to side while keeping the wings level.....
lastly remember that elevator is your speed control......
Hope this helps you some...Good Flyin

And hightech08419 - Please put at least ONE period in your next post. It was painful trying to read this one.

Cutting flaps into the Nexstar will reduce the area of the aileron and theoretically reduce 'aerobatic performance'. The Nexstar lands very slow without any of the added gear and without flaps installed. You can use a large diameter and shallower pitch prop to achieve more pulling power and slower speeds - maybe a 12x5 or 12x6?

I am bulding two Cessnas Topflight 182 and a nitro 421. The both have flaps. Why when and how do I use Flaps?

4, what field are you flying at?? Flaps are there to help slow you down on landings and add some lift at slower speeds to keep the plane stable. Best thing to do is just take the plane up and play with them to see how the plane reacts with them when you lower them down. How many degrees you want them to drop. A lot of fun to play with and a real kick in the wind we get here.

Bruce,

Haven't you figured out yet that schools today no longer teach basic vocabulary, spelling and grammatical structure. They now teach how to write big run-on sentences - saves character space on cellphones.

Hogflyer

Really no need to add flaps to a flat bottom winged aircraft. You already have plenty of lift.

I go with gaRCfield: choose a prop with 1" less pitch and 1" more diameter. Loose the speed brakes and tip extensions. That will slow your idle approach and allow better maneuvers. Speed will just give you more lift on a NexStar (or any flat bottomed wing). Spend the time to get a smooth low idle on the engine. This is a huge help in landing - you can land slower on low idle than dead-stick as the prop has a braking effect.

If you want to add the two-servo aileron option I would recommend you set them to raise together slightly. This decreases lift (the ailerons then function as spoilers) and will cause the model to approach at a steeper angle while the fuselage remains perpendicular to the ground. Whether flaps or spoilers you should only deploy them once the model is already slowed down on approach. Then throttle down and land. You should be using the throttle to control altitude as you bring her in on final.

He was too busy getting acrobaticale.

I gave up on my crusade:

Planes are aerobatic, not acrobatic.

ANY model that can take-off is "3-D Capable". Some with enough thrust to weight are capable of sustained high-alpha maneuvers. And most of these are like parking in the lane of a highway. Take it off the runway!

To call glow-fuel "Nitro" is like calling gasoline "Octane" or just "Oct" (it's just a small percentage of the mixture).

It's a lost cause.

English isn't everyones first language and typing is often done with two fingers. I was able to understand him without problems and I can't even text. Lighten up guys!! You aren't forced to read a post.

It's called constructive criticism and it's all in good fun.

I was. There's a guy here holding a gun to my head making me do this and it hurts a lot.[:@]

First of all, they are neither flaps nor are they brakes. They are filled with holes and tend to slow down approaches. Brakes would insinuate that they would stop the thing, which they do not. By the way, they do work, but are totally unnecessary if proper tuning and the proper prop is used.

I used them when I was training with the Nexstar and then took them off after I solo'ed. The only real difference was that I needed to change the elevator trim a bit and learn to come in slower, neither of which took me very long (maybe two orbits of the first flight after taking them off???) Maybe that's becaue I learned to tune the engine correctly. I left the original prop on (well, not the original one cuz that was long since shattered from my crappy landings, but one with the same diameter and pitch).

What I learned to do was adjust my approach so it was a bit longer and allowed the plane to slow down to an appropriate landing speed.

As I said, they worked, but were they necessary? I don't know. They didn't hurt my learning process, but I will never know.

CGr.