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Other › I sprang for a Mini-G
03-17-2009 03:19 PM  8 years agoPost 1
cstoneman

rrApprentice

Colorado

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Well, I still needed to order a TP 40 ESC and charger, and since PowerHelis has 10% off for new customers, I went berserk.

Next thing you know, I spent $575.

Seriously though, at $162 for a Mini-G after the discount, I figured that I would be wise to go for it. Otherwise, I know that I would screw around with the 401, and end up blowing out the tail, with an unhappy ending. Then I would add time and crash parts to the price of the Mini-G that I would buy, after learning my lesson.

Damn, I still need to buy 4S lipo packs.

I also ordered the Tail Boom Servo Mount. I would imagine that is a good idea with the 4S 2200 packs.

Now if I can get my wife flying that blade 400 I got her, she may not murder me over this.

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03-17-2009 07:41 PM  8 years agoPost 2
Sky Dancer

rrVeteran

Bryan, Texas

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Congrats cstoneman!

Great choice with the Mini G too, you won't regret it for a moment!

Don C

Keep up your rotor speed !

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03-17-2009 08:11 PM  8 years agoPost 3
cstoneman

rrApprentice

Colorado

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I read the post yesterday that Merlin3 blew out his tail with the 401 on his Rave, and I started thinking that I would so the same, and it would be cheaper to get the Mini-G now and avoid a mishap. The Rave just moves too fast for the 401.

I am glad that there are experienced Rave fliers on here, as it made it easy to order all the good stuff.

Since I already have a couple .30's a .50, a .90, and a big gasser, the Rave has me pretty excited. It seems from all I read, that it flies big, and I think I am going to really like it.

I don't usually just upgrade to the latest birds as they come out, as my X-Cells are capable of more then my skill can handle, so I have really not had much desire for anything new. Until now.

The Rave arrives on Friday, so if I have time, I should have her in the air in a couple weeks. It sure looks easier to build then an X-Cell.

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03-17-2009 08:16 PM  8 years agoPost 4
caseyjholmes

rrElite Veteran

Portland, Oregon

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Otherwise, I know that I would screw around with the 401, and end up blowing out the tail, with an unhappy ending
LOL!
That could not be farther from the truth.
I can't get my tail to blow out with the 401 at all.
Must be all the stuff I had to do to the tail trying to get the mini-G to work that makes it hold so good with a 401. I was really excited about my Mini-G too, but it doesn't want to work with my components, and the components are not bad in any way. I was forced to remove it.
I hope your experiences are better.

I can't afford to be swapping out servos and electronics like it's nothing in today's economy. And to be fair, I'm living in the upper middle class of the majority. I can afford my house payment unlike half of America at the moment. I also don't want to be wasting precious time I could be using to fly. I've never had to send a 401 gyro in, or any Futaba product for that matter.
The Rave just moves too fast for the 401.
I went as fast as possible the other day backwards and no blow out or drift. I was pretty surprised! That old as the hills 401 gyro still works better than some of the newer stuff on the market. When was that thing released? Like 10 years ago? And it's still rockin' today. You want something you KNOW is going to work, get a 401. It'll still be working when you blade strike it on a Trex 450 and break it in half then shrink tube it together again.

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03-17-2009 08:20 PM  8 years agoPost 5
Darren Lee

rrElite Veteran

Woodstock, GA

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I think the main advantage of newer gyros over the 401 is piro rate consistency, not holding power.

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03-17-2009 08:53 PM  8 years agoPost 6
cstoneman

rrApprentice

Colorado

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I have to agree that I like the 401, and have been using them for a long time.

The 401 I was going to use is out of another bird that is going to get parted out, to make way for a Pantera 50.

So I needed another gyro eventually anyway. Now that you mention the Mini-G problems, I do remember reading about problems with certain ESC's.

I ordered the recommended Thunder Power 40A ECS, so I think I will be ok with the Mini-G.

I agree about spending money, I have four 401's that have worked great in my bigger birds, and I have no desire to change them.

But then I have 8 models on 72 MHz, and no desire to change them to 2.4 GHz either.

The Rave will be the first heli on my new 2.4 GHz DX7.

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03-17-2009 10:27 PM  8 years agoPost 7
Buzzin Brian

rrProfessor

College Station,​Texas

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We are not sure what is going on with caseyholmes machine or gyro but have offered at our expense to have the machine sent to us. We will figure it out on our dime and return the bird in 100% working order. All we need is the bird, all of the rest will be resolved 100%. So there might indeed be a problem, but it is one we are MORE than willing to fix if given the opportunity.

Brian

Build it, fly it, crash it. Repeat as often as needed.

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03-17-2009 10:56 PM  8 years agoPost 8
RappyTappy

rrProfessor

North Denver,​Colorado

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Yes, a 401 was great in its day, but fact of the matter is new gyros are better. I bougtht a 7703D for not bank-breaking $140 new and with a 8900G the piro consistency and accuracy is noticeably better than a 401 with a slop free set up.

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03-18-2009 02:27 AM  8 years agoPost 9
Sky Dancer

rrVeteran

Bryan, Texas

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I'm also curious what's happening with casejhomes' Rave and Mini G setup. All the guys I know that are flying the Rave (w/Mini G's) are having a lock solid tail without any tail work required?

I'd send that little jewel in to Buzzin Brian ASAP and let them check it out to find out whats going on.... What an offer!

Don C

Keep up your rotor speed !

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03-18-2009 02:32 AM  8 years agoPost 10
BOOGIE

rrElite Veteran

LAFAYETTE LA

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It may just be a bad gyro. The one I have is doing good

MSH USA / Lynx Heli Innovations

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03-18-2009 03:56 AM  8 years agoPost 11
chopper_crazy

rrElite Veteran

Delphos, Ohio

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my buddy just got a mini-g put on his t-rex 500 and he loves it.

It's a complex, costly, glow powered anti-gravity machine!

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03-18-2009 03:58 AM  8 years agoPost 12
merlin3

rrKey Veteran

dayton, ohio

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my 401 holds pretty good on my old raptor and it holds decent on the rave but in hard maneuvers it always lets go at least 30-45 degrees and it will stop at certain points. And after having it completely let loose yesterday with no other problems I have decided it's time to go with mini g. If the mini g is half as good as everyone says then I think I'll be happy. btw just flying fast backwards the 401 will hold fine it's when youre doing other piro manuevers as well at fast speeds.

Justin - Team Horizon, Team Byron
2-700x, Trex 700n, small helis

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03-18-2009 04:08 AM  8 years agoPost 13
cstoneman

rrApprentice

Colorado

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I've blown the tail out with the 401. It usually involves maneuvers that I could have done better, but I know that the 401 has some faults.

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03-18-2009 10:09 AM  8 years agoPost 14
Roger Hamilton

rrApprentice

Surrey, England

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Casey, I think there may be something not right there. Our 4S machine ran with a 401 before the Mini G came out, and to be fair with the TT tail system it worked well. However when the Mini G was installed it was a vast improvement in pretty much every area

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03-18-2009 04:00 PM  8 years agoPost 15
caseyjholmes

rrElite Veteran

Portland, Oregon

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I don't do super fast piro moves like huge piro loops or big fast piro fig eights or anything. Those moves require too much attention span for my liking and are too precise for my style. Those are not the kind of moves I practice. I have no reason to piro when I go hauling butt. In that case, I guess a 401 would be good enough for me.

The only time I've had problems with a 401 is when it's on a Trex 450 and the wind is too much for the tail to handle. It whips out in this case. I don't think it's mainly the gyro's fault. From what I can see, this is not happening on my Ravey. The 401 may have an inconsistent piro rate, but that depends on many variables.

I am still testing my Mini-G.
If I'm going to send my stuff in to Cutis Youngblood, one of the best heli pilots in the world, I'm going to make damn sure it's not something I did or could have changed that could have fixed it, so that when Curtis gets it he isn't able to point out the problem within a half second and count me out as a bad builder or an idiot.

I am going to try some things here at home before I send it in. I have a hunch on a couple of matters that might cure the problems I was having with the Mini. We will see. If not, They can have it back.
If I can get it working, I will freely admit I was wrong, and explain what I did to make it work.

Sorry to stray from topic. I just felt some of the comments here about the 401 were not necessarily true.

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03-18-2009 04:29 PM  8 years agoPost 16
Sky Dancer

rrVeteran

Bryan, Texas

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Hi caseyjhomes,

Please don't be offended by any of our comments. Most of us would like to help you have the same enjoyment we have. There is no disrespect intended. Personally, I am simply curious about what's going on with your setup and am trying to trouble shoot over the internet (not as easy as being there).

I believe if Buzzin Brian or Curtis could find out what's going on with your particular Rave/Mini G combination, it would not only benefit you but could also benefit others that might run into similar problems in the future. Example: If you should have a defective Mini G or a bad part on your Rave, that would be very important to CY Enterprises if future updates are needed.

Remember, suggestions or offers to help is never intended to make you feel bad in any way, but rather is simply a way for some of us to enjoy our Raves, share ideas and problems, and to support other Rave owners.

Now, let's go flying!

Don C

Keep up your rotor speed !

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03-18-2009 06:38 PM  8 years agoPost 17
HeliVIG

rrApprentice

Hearne, TX USA

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For caseyjholmes,

One other thing to try is check the tube drive on the Rave. Hold the head and try to spin the tail. It should move a little but then stop pretty hard, in other words no "windup".

Two customers that had issues with the Mini G in the Rave had split tube drives from crashes. So far the only damaged tube drives we have seen are from harder crashes that hit the tail. But it is always possible there is a defective tube in your machine. It is just something else to look for.

Note, each one of these Rave customers reported the Rave flew fine with the 401 in the hover and mild flying but oscillated and stopped funny with the Mini G. Now once they flew the Rave around and tried to do anything sideways or harder the 401 would blow out even quicker than a 401 normally would because of the split tube. Basically the 401 and Mini G both had problems caused by the broken/crashed tubes. They just showed the problems in different areas of flight.

Once they replaced the tubes the 401 was better and the Mini G worked great.

Curtis

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03-21-2009 02:13 PM  8 years agoPost 18
caseyjholmes

rrElite Veteran

Portland, Oregon

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On a cold day,
My Rave with 401 flew perfect. Not a prob in the sky.
Next time I flew it on a hot day, it had a cyclic wobble when I would stop the cyclic hard. Flew nothing like the time before it when I made the video. I'm wondering if this could be why the Mini G was having problems.

I got the 14T pinion installed now. I'm wondering if there was some sort of wobble on the 13T due to headspeed. But this wouldn't make sense to me as to why it flew fine cold and now a head wobble when warm. I also noticed the tail bouncing up and down or "bobbing" very slightly last flight due to the cyclic wobble.

I'm hoping that with the 14T my headspeed will increase and rid of the wobble. Then I can try to put the Mini-G back on and see if it works.

I also tightened my main blades up more in the holders and snugged my tail blades a bit more. I have yet to visually check on the torque tube, but it doesn't seem like I'm getting much windup when I hold the head and try to twist the tail rotor. Seems to stop pretty hard as you say.

Will get a couple test flights on it today with the 401 and check to see if I got rid of my mysterious wobble. If so, back on goes the Mini G for another go at it. Finally received my battery back from TP so now I have a few packs to play with while adjusting. Unfortunately, today is a "cold day" again so I will have to also wait and test on a hot day.

Also, I can not get ahold of a prog card to shut my brake off in mode 1 to try without a gov. I had ordered one and it never showed. Had to get a refund after weeks of waiting for it to arrive.

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03-21-2009 03:54 PM  8 years agoPost 19
Buzzin Brian

rrProfessor

College Station,​Texas

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So are you running the ESC in governor mode the whole time you have been having problems with the Mini-G?

Build it, fly it, crash it. Repeat as often as needed.

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03-21-2009 03:56 PM  8 years agoPost 20
MarshallB

rrVeteran

Middle Arkansas

My Posts: All  Forum  Topic

It would also be nice for you to post your entire setup as you have it. There are so many variables involved any one thing can give you a headache.. Gov mode is one of them.


CurtisYoungblood.com
Next-D
Spyder Batteries

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