1 servo/aileron?

[yoyosmuggler]

The 35% troy built extra 260's are set-up for one servo/aileron. I have seen a couple of them fly and they definately seem to fly well. I talked to one of the guys and he said he has never had a problem with the set-up. The plane I saw fly was about 24 lbs. with a da100. I fly a 33% bird now that weighs around 25 lbs and I run one servo on the rudder and have never had a problem. Are two servos really required for each aileron and rudder on a 26-27 lb. 35%? On average 3 servos are going to cost you around 300 bucks and add extra weight. Is it worth it? Are the risk to benifits worth trying it?

[jmiracle]

I've had a lot of success running one server/aileron in 28-30lb 35% airframes. I've got two right now that are both setup with Hitec 5955's. Each has over 100 flights and I haven't had a bit of trouble with either one.

I'm building 2 new 35% airframes this winter, and I'll do the same thing on them.

I think if you run a very strong servo, like the 5955, and setup the linkage correctly and don't overspeed the airframe in flight, you'll be fine.

[yoyosmuggler]

I think I will try and put one 5955 on each aileron. From what I've seen and heard I think it will be O.K. What about the rudder? One servo or two?

[jmiracle]

on my 35% Carden 330, I went with 1 and it was fine....I'll probably do the same again on my 32% Yak

On the 35% Aerotech Yak, I used 2....but the rudder on that thing is HUGE...nearly as big as many 40% airframes I compared it too.

....don't know if that answers your question....

[yoyosmuggler]

I'll be building a 35% dalton 260 this winter. The rudder cant be a whole lot bigger than the h9 extra I'm flying now. Think one 5955 on rudder will be o.k.? I mostly fly imac stuff and not a whole lot of 3d. I'll be putting a zdz super 80 with tuned pipe in this air frame so I want to keep it as light as possible and save a few bucks along the way.

[jmiracle]

I would probably try it....I'm not familiar with the Dalton airframes...but if it's comparable in size to a Carden or H9 33%, then I'd think you'll be fine.'

[Flyfalcons]

I'm running a single 8611 in each aileron on my Composite-ARF 2.6 Extra with no problems.

[cal_mag]

On my Airwild Edge 540 35% with a DA-100 5 x 5955's were fine with 1 per surface. I had several flights without any problems and would do it again in a heartbeat. Highly reccommended for weight and simplicity! My All up weight was 29 lbs and it was built for 3D

[yoyosmuggler]

I added up a few quick numbers and by going with one servo on each aileron, one on rudder and the zdz super 80 on tuned pipe vs. the da100 on stock pipes, looks like I have just saved about $700.00 and over 2 lbs in weight. And I should still end up with a really nice flying bird for next year. Not bad considering I haven't even got the kit yet.

[plaster93]

Now do you use the inboard bay or the outboard one and why,or make a new centered bay?
I was thinking of doing this on a H9 Edge but Mike McConnville says it voids the warranty.

[Flyfalcons]

On my composite plane, the ailerons are so stiff it doesn't matter which bay I put the servo in, so I used the onboard bay. JohnVH made a centered aileron servo pocket on his old H9 Cap for a sginle 8611 and it worked very well.

[SteveC]

In regards to ailerons, there are two things to watch out for. One is the wing area of the aileron & wether or not the servo you are using isa strong enough for the flying surface & type of flying you will do. The second is the construction of the flying surface. On the larger flying surfaces the servos need to be located where it will have maximum impact & allow minimum flexing to occurr. In a hover, the aileron servos are not used that strongly. In a high force manuver, if the servo is placed near one end it may allow the other end to flex and you will see funny manuvers which are then blamed on trimming issues but in fact are just poor setup.

I would definitely build a servo bay in the center of the wing but I would also look at laying some CF into the surface to stiffen it so everything moves together.