GY401 gyro, 3154 tr servo, your distance??

[OICU812]

I am second hole out on stock horn with 401... when I up the gain to hold the tail somewhat well I get a bad wag of course.... I also used a CF tube around the tr pushrod to stiffen that noodle up as well......

I am wondering if you guys are 3rd hole out or what?? The little heli is ok so far, still tweaking. I have not been able to get the tail to hold real well as of yet,,, kind of frustrating...

Setup is...

HS45 on cyclic
Futaba 3154 on tail.
GY401 Gyro
Zpower 5150kv motor
2S 800mah Lipos

It is abit slow for me on cyclic for sure, even with everything maxed, I did remove the weights as well, I am running the wood blades. Are there other blades or lighter paddles to make this head quicker?

Is there a better/faster tail servo over the 3154 then peeps are using on this heli?

Yes weights are off as well. http://www.runryder.com/img/smilies/biggrin.gif

[Jetleaf]

Shawn I have the logictech setup so as far as 401/3154 I haven't a clue. However, I am on third hole out on my servo arm.

[OICU812]

Hmm ok, I should also mention that I have allot of bounce on tail stops for sure, both directions. Anything over 60% gain and things get bouncy on stops, and anything past 65% and I get a wag and a very exageratted wag/bounce on stops.....

[Buzzkill]

I have one that has a 401/S3154 combo on the tail. I'm at the last hole out on the servo horn, 70% gain. Hold extremely well. A little kick (maybe 2-3") on punch-outs. Head speed needs to be very high to get it to hold right. I'm currently running a 90% throttle curve myself. I have my 401 in DS mode (some have had heat issues with DS mode and 401 but not me so far on two) delay is zero and limits are maxed on the gyro. In order to get max limits from the gyro you have to make sure the nut on the tail shat is flush with the end of the shaft.

Many people use the Logitech 2100t / 3100 combo with great results.

From my personal experience the Spartan 760 and the Futaba S3154 is a great tail combo. Almost impossible for me to get kick or wag on the tail with that setup. Haven't tried the 760/3100 combo because I don't have the 3100 servo (yet).

Also, what are you flying? Belt? TT?

The TT has an available 15/10t pinion that speeds the tail up and holds better than the stock 15/9t pinion.

I suspect with the tail linkage set at the second hole your not getting enough travel in the pitch slider to hold the tail. The 200 needs all the "push" it can get to hold good.

A few words of warning; Be careful while maximizing the tail pitch slider travel. The slider will bind on the tail pitch lever mount if it's not set right.

As far as faster cyclic your the first person I've heard that from. Then you might just be a lot better than we are. I know your certainly better than me but my cyclic is super fast with the HS-45s. What's your swash mix set at? Mines at 60 all the way around.

Many of us have had tail issues with the little 200. Takes a lot of tweaking to get it dialed in correctly. Once it's set, it flys great for such a small heli.

I may be wrong but I believe I'm right.

Hope this helps.

[Edvard R]

Shawn,

I am using the same setup as yours - I am in the 2nd hole as well (10 mm). No wag for me... You using belt or shaft? I had problems with wag, but changed to a shaft setup and the thing flies like on a string.

[OICU812]

Ok headspeed is not an issue as I am running the 5150kv zpower and yes the 15/10 with TT setup. Now as far as the tail end goes there was no nut at all, only the tail hub was threaded onto the shaft itself, I did however install a 2mm nut to make sure it did not come off, lol. Are you guys using a nut then tr hub, then nut on other side or how are you moving it out and holding it at your prefered distance? I will look at going out a hole on the tr servo and see if this helps the situation, as well of course re adjust my limits as per the hole move.

[OICU812]

BTW on my DX7 with the exp ACT on swash menu my settings so far are.

62,65,77.

Still find it slow to roll and flip, yes. But more importantly I need to get the tail holding well first.

[Jetleaf]

There is supposed to be a nut on the end of the tail shaft. You're right the hub threads on to the shaft but the nut is supposed to be there. You mentioned in your first post that you were using a carbon tube around tail pushwire. That may be your problem because of it flexing. All the guys on here toss the stock wire and use a carbon or aluminum rod with the ball links glued on the ends.

[Buzzkill]

I use the CF tube wrapped around the rod also. I twist the links tight and glue them. No flexing for me. I always locktite my tail hud and the nut on the shaft to keep it from moving.

[Buzzkill]

Here's a short vid I shot a few minutes ago in my livingroom. This is a GY401/S3154 setup. Stock tail linkage. No boom supports. I have 8' ceilings so when I punch the collective I have to let off very quickly so I don't hit th ceiling. Towards the end I did some "pumping" of sorts (hey it's in my livingroom) to see how much I could get it to move.

Vid isn't very good quality and no camera man but take a look. Is mine moving too much? I thought it was pretty good for a 401/3154. Servo is barely warm after three minutes at 90% throttle.

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[OICU812]

Did you just make that video man?? Wow you are quick, lol....

well that is abit much for my liking yes. My main concern is not only the kick but the bounce on stops, lke if you piro left or right and let right off stick do you get a bad bounce??

Well while you likley were making your video, I swapped in a Spartan 760 I had laying about, got tired of messing with the 401, guess I am impatient sometimes. :D I'll give this a go tomorrow, thanks for all the help. :Bang

[Buzzkill]

Bounce after pyros isn't too bad. Probably about the same as punching out. The pyro speed is insane though with full rudder and a 401 with max limits.

That's the best I've got it to hold with a 401 so far. Maybe I need a quicker servo.

The 760 on the other hand is great.

[OICU812]

Yea that's about how much bounce I was talking about, to much for my liking for sure. Hmmm faster servo, I have not really researched much on this heli to be honest, kind of went with what peeps were already going with. I am sure there must be something faster and better overall however then the 3154...

[Buzzkill]

My TT holds a lot better than my belts do. I'm sure the Spartan has a lot to do with that.

Anyone else have any vids of your heli doing punchouts or piros? I'd be very curious to see how other peoples tails are holding.

[Buzzkill]

Did you just make that video man?? Wow you are quick, lol....

well that is abit much for my liking yes. My main concern is not only the kick but the bounce on stops, lke if you piro left or right and let right off stick do you get a bad bounce??

Well while you likley were making your video, I swapped in a Spartan 760 I had laying about, got tired of messing with the 401, guess I am impatient sometimes. :D I'll give this a go tomorrow, thanks for all the help. :Bang

Let us know what happens.

[GeneP]

There is supposed to be a nut on the end of the tail shaft. You're right the hub threads on to the shaft but the nut is supposed to be there

Ok, you guys have managed to spook me - again. When I installed my MH tail I threaded the hub onto the shaft as far as it would go and then put a nut on to keep it from possibly flying off. Am I supposed to have a jamb nut on first then thread on the hub and then another nut to hold it all in place?:(

[Buzzkill]

I use loc-tite on mine with a single nut on the outside flush with the shaft. I like your double nut idea though. Keep it clean guys.

[GeneP]

I use loc-tite on mine with a single nut on the outside flush with the shaft. I like your double nut idea though. Keep it clean guys.

So you back it out and locktite with it jambed against the nut.
(Buzz, thats as clean as I can ask about jamb nuts...I'll wash out my mouth with penicillin):oops:

[Buzzkill]

LMAO !! I put a small dab of loc-tite in the threaded hole on the tail rotor shaft. Twist it on until it's close then add loc-tite to the nut, flush the nut with the outside of the shaft and back out the nut so there semi tight.

Or another words, yes. :YeaBaby:

[GeneP]

Now I have to rush home from work and fix my shaft and nut!:YeaBaby:




Sorry, I couldn't help it.:oops: