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Midland Helicopters . HeliProz . ZoomsHobbies

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Miniature Aircraft Nitro/Gas Helicopters > My setup OK???????
 
 
Buzzin Brian
Elite Veteran
Location: College Station, Texas

OK so here it is, after much debate this is what I have decided on for my Fury 60 Expert. OS 61 SXH-WC (have it), Hatori front port one piece muffler (have it), Rotorsport 700mm mains (have it), Modelsport 102mm tails (have it), JR 1400 MAH extra pack (have it), JR 649 S-PCM RX (have it), JR deluxe harnes gold switch (have it), JR 537 servo for throttle (have it, pending 4735 for replacement), 8411SA servos X3 (pending), Futaba 401HH gyro combo (pending), Canopy-FX paint job on canopy and fins (there for paint now), and of course all of the little goodies like skid stops etc...... So how does that sound? What have I missed, and what doesnt look good?


Thanks

Build it, fly it, crash it. Repeat as often as needed.
04-26-2002 Over year old.
 
 
Dr.Ben
Elite Veteran
Location: Richmond, VA, USA

First class choices. Add fuel, go fly.

Maybe a GV-1 if you get the notion. You might get a 1700AU pack, depending on how hard you fly and how often you care to fast charge.

Ben
04-26-2002 Over year old.
 
 
av8er
Senior Heliman
Location: NH, USA

Sounds nice, maybe aluminum fan...supposed to be a little more efficient, but I'm sure the plastic will work fine.
04-27-2002 Over year old.
 
 
Buzzin Brian
Elite Veteran
Location: College Station, Texas

So who else is useing the 8411SA servos? And are you getting good results? How well do they hold in the center? And how well are they timed for a CCPM system? Did they require any programing to get them to work to a satisfactory level? Just curiouse. I have heard some black eye things about the regular 8411. So I don't want to have this type of problem, or a crapy centering servo for that kind of bucks.

Just thought I would ask.

Thanks guys.

Build it, fly it, crash it. Repeat as often as needed.
04-27-2002 Over year old.
 
 
Buzzin Brian
Elite Veteran
Location: College Station, Texas

There was a guy at a FunFly this last weekend that claimed that the fix was to get Airtronics large servo wheels and use them. He said they mounted up just fine. And had the holes needed to do the job. I am not sure about that, but the wheels on his Fury had holes that kind of spiraled in to the middle. Anyone have any coments on that?

Build it, fly it, crash it. Repeat as often as needed.
04-27-2002 Over year old.
 
 
d-n-jensen
Veteran
Location: Bellevue WA

Let us know how much pitch you can get from the 700's with the 61. What % of the go juice will you be using. My OS 61 SX WC with the Muscle Pipe on 22% cool power can pull only 10 deg. with the 680's
04-27-2002 Over year old.
 
 
BIGRCR
Veteran
Location: Easley, South Carolina

DO NOT use sub trim to set up the servos in a Fury! This causes all kinds of problems!
The servo horns MUST be at 20mm and MUST be 90 degrees with the throttle stick at 50% output and the cyclic stick at neutral using NO sub trims. This is not that hard to do and guarantees a good set up.

The Airtronics "big wheels" will work fine with the JR servos as well as the JR Heavy Duty ones. The only problem like stated is to find the horn that goes on at 90 degrees when using the JR heavy Duty ones. Close IS NOT good enough!
The JR horns have a number 1,2,3 or 4 on the back of them and this corresponds to an offset. It is a pain to find the correct numbered horn to use, but it will pay off if you do it right!
I guess that this is one of the advantages of the Futaba system! If we bother JR (Horizon ) enough, they may start making their "big wheels" again.

The 8411 SA's are very good in getting rid of the slop from the metal geared versions and does make the swash plate leveling and set up easier to do. The MA # 0513 is almost a must to set the bird up right. I thought that I did a good job setting up the swash plate visually untill I got the tool. Boy was I wrong. Now the Furys I set up fly perfectly with NO interaction.

Hope this helps!

BIGRCR- John Garst
04-27-2002 Over year old.
 
 
z11355
rrMaster
Location: 10000 is enough time wasted.

Improbability drive kicks in......

Yea, JR will start making big wheels cause
they are just SO responsive to market trends.
04-27-2002 Over year old.
HOMEPAGE  
 
 
BIGRCR
Veteran
Location: Easley, South Carolina

I fly frequently with the man that makes it happen at Horizon / JR and have been working on him about the JR crystals falling out and needing to be taped, the 5000T instructions ,etc. I sure can mention the servo wheels!!
I had him check out one of my Furys about a year ago and he noticed the tape on the RX crystal and asked why I did it and I explained that everyone that I fly with did it to keep the @!?^^_!! crystal from falling out. He told me that was the first he had heard of a problem and had never had a problem. To make a long story shorter, about 2 months after that he crashed a prized helicopter and found that his UNTAPED crystal had come out. I was good and did not rub it in!

Go figure!! We live and learn, sometimes the hard way!


OH! BTW go Buzzin' - Brian and enjoy the Fury!

Later,

BIGRCR- John Garst
04-27-2002 Over year old.
 
 
BIGRCR
Veteran
Location: Easley, South Carolina

Dave,
Yes, you are right, it can be done that way, and I think that we are on the same page, but why sacrifice precision and a correct set up by not first finding horns that fit exactly? I realize that it can be a pain and the cost can be a few bucks more, but the patience will pay off.
I myself use a little mix in the amount of 4% on aileron on one of my birds, but this was a "fine tune" after all other set ups were optimized.

Yeh,
I had a crystal come out of a JR reciever once on the first flight of a new X-Cell. Apparently the spool up "wobble" kicked the crystal and the bird came up into a hover then slammed down onto it's skids at near full negative wide open and screamed. It took a lot out of me to lay down the transmitter I'll tell you and run for a long 16 foot one by four board and slide through the skids to peen it to the ground. I was terrified that the heli was going to get a glitch and take off! I then used a second one by four (16 footer) and snatched the fuel line off! And all of this in the front yard of my home.
I learned a couple of very good lessons that day!!!

When using the swash tool I lay my hand on the swash plate and apply a very light pressure and watch the swash through it's full travel. The "float" in the servo gear trains will become apparent along with any interaction and if bad enough I will set the offset (using a pmix) at the last LEVEL spot and mix from there. The mix is usually only 1 to 5% and if it is larger, I go back and check every thing out again. I have found that the JR Digitals with metal gears are the worst culprets with the "float" ( slop) and sometimes you just cannot get all of this out ( the SA's help this out tremendously). By this time you have gotten the swash plate in pretty good shape and the small amount does not make a whole lot of difference in the air and you can feel pretty good about doing the best you could.

By the way Dave, I enjoyed watching your flying at Birmingham. I was just to your left beside rave with the Sky 4 Jet Ranger and the "Barney Fury" ( the purple one with the lime green jacket) my god... I did not realize it untill after I had flown it a while. One of the grands was watching the Barney show on telivision and said, "HEY papa, your helicopter looks just like BARNEY!!!!!" I've flown this Fury for nearly a year now without (knock on wood) busting the chopper, so Barney still lives!

Later,

BIGRCR- John Garst
04-27-2002 Over year old.
 
 
Buzzin Brian
Elite Veteran
Location: College Station, Texas

BIGRCR,

So do you have any idea which number JR arm it is that mounts onto the servo at 90 degrees? Or is a, they may all be different type thing? That could definatly suck! It would almost be easier to use the Airtronics ones, and if I had to, just drill my own holes. Any thoughts on that?


Thanks guys. Building the Fury was very cool. With the exception of a few minor things. I definatly think I am going to like it.

Build it, fly it, crash it. Repeat as often as needed.
04-27-2002 Over year old.
 
 
Buzzin Brian
Elite Veteran
Location: College Station, Texas

Osmax2,

Upgrade bell housing? Did you mean upgrade bell mixers? I think that is what you were talking about. But I thought I would clarify. I will be useing the standard fan for now, as I am more interested in getting the thing in the air. Besides I haven't heard of any cooling issues with the bird as of yet. But we will see. But I am not opposed to some other purdies, espscially if they are functional.

Thanks for the suggestions.

Build it, fly it, crash it. Repeat as often as needed.
04-28-2002 Over year old.
 
 
BIGRCR
Veteran
Location: Easley, South Carolina

Brian,
You are getting the picture! I bought several sets of JR heavy doodie horns to get the ones I needed. The horns are randomly packaged it seems and it's a bit like finding your favorite prize in a bunch of boxes of Cracker Jax! The Airtronics wheel route might seem a smarter way to go. Just take your time to get it right!

Later,

BIGRCR- John Garst
04-28-2002 Over year old.
 
 
Buzzin Brian
Elite Veteran
Location: College Station, Texas

So what did that metal fan take you down? I do have one on a YS engine that was in a crashed SE that I got off of a guy real cheap. I "could" use that one but would preffer to just get a new one. What is the part number, if you don't mind me asking?

Thanks

Build it, fly it, crash it. Repeat as often as needed.
04-28-2002 Over year old.
 
 
Jeff H
Key Veteran
Location: Cincinnati, OH

Metal Fan???

I've got one in my 91 powered CT, but to tell you the truth, the plastic one works fine for me.

If you really want to spend money, look elsewhere than the fan. The only thing that I really wanted on my Fury waws the Pro bell mixers (an upgrade that actually does something) and maybe a 90deg fuel nipple (how stuiped was that of MA? after all that research and development was that the best that they could come up with )

for the big money spenders, maybe the Pro II head or the (must be made of gold for as much as it costs) Pro II tail assembly.
04-29-2002 Over year old.
 
 
KillerBob
Heliman
Location: Denmark

Subtrim ??

Pardon my ignorance, - but what sort of problems will the use of subtrim give ??

I have installed Futaba 9206's and the big 20mm disc's, but found that up to 20% subtrim on my 9zh was nessecary to get all discs excactly vertical at centered stick... What is the problem with that ??

best regards
KillerBob
04-29-2002 Over year old.
HOMEPAGE  
 
 
BIGRCR
Veteran
Location: Easley, South Carolina

Bob,
For a lack of better words the sub trim "Skews" the entire CCPM mix. All of the servos in CCPM control work off of a "center" if you will. Adding sub trim changes this center of the servo that you have sub trimmed only and all of the servos work off of the "same" center. This causes severe interaction and unequalities in the throws of the servos to the swash and causes undesirable flight characteristics.

The metal fan part number is MA # 0579-4.

BIGRCR- John Garst
04-29-2002 Over year old.
 
 
KillerBob
Heliman
Location: Denmark

yep..

David ... you are right. No doubt it's possible - but I wasn't aware of the subtrim problem so I modified the wheels (cut out) before I trial fitted the wheels - so now there is no other choise than to replace the wheels with new ones..

"That much" - is max 3 mm meassured at the perimeter

best regds
KillerBob
04-29-2002 Over year old.
HOMEPAGE  
 
 
Buzzin Brian
Elite Veteran
Location: College Station, Texas

OK one more question. I have looked at a few places for the Airteonics large HD wheels and have had no luck finding them. Does anyone know where I can find them? I thought they would have been easier to find.

Build it, fly it, crash it. Repeat as often as needed.
04-30-2002 Over year old.
 
 
Smooth3D
Heliman
Location: San Francisco Bay Area

Fury with 8411 Metal Gear

Lots of happy customers flying the Fury or in process of building one.

Has anyone actually flown the Fury with the JR 8411 metal gears for any length of time?

From reading the posts, one gets the impression that the xcell Fury is a Futaba helicopter :0)

Thanks
05-05-2002 Over year old.
 
 
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Miniature Aircraft Nitro/Gas Helicopters > My setup OK???????
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