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Scorpion Power Scorpion Power
HelicopterFlybarless Rotor Head SystemsOther › Rave fbl head on Twreck- 450 pro ***REPLACED BY MIKADO HEAD***
01-02-2010 12:56 AM  7 years agoPost 21
Mapleleafs

rrVeteran

Ontario, Canada

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yeah the pictures arent working....

Kyle: what exactly did you do to the pitch curve to make it less touchy?

Vbar Trex 700N, Vbar MSH Protos 500, Vbar Logo 400

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01-02-2010 03:17 PM  7 years agoPost 22
dahld

rrKey Veteran

Bakersfield, CA, USA

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no, the pictures are gone. I'll get Kyle to see if he can get them back.

, Dave

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01-04-2010 08:47 PM  7 years agoPost 23
DanSch

rrNovice

Goodyear,AZ

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Hello Dave, any update on this project? better than the Gaui, soon to be mikado head?

thanks !

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01-05-2010 12:00 AM  7 years agoPost 24
dahld

rrKey Veteran

Bakersfield, CA, USA

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Alright i'll try this again.....

Finished!!!!!!!

Well finally got the Mini VBar, and Rave fbl head mounted up and flyin' good on my Trex-450.

The Rave fbl head mounted up nicely onto the heli. I ended up using the Rave main shaft that comes with the fbl head conversions. Since the head is quite a bit lower than the regular head, the links that connect the swashplate to the blade grips were to long. But, all I had to do was clip off about 2mm at the end of the links so that you could make them shorter.

There had been the question of whether I would be able to get enough pitch out of the head. But, there wasn't a problem at all. I was able to get +/- 14 degrees easily, and as the picture shows 14 degrees isn't maxed out at all. You could get 45 degrees out of the head if you wanted to!!!!!

Of course I used a Mikado Mini Vbar on the heli. It mounted nicely on to the back of the heli were the tail gyro usually goes.

Since the heli is so powerful now the stock tail blades weren't enough to hold the tail, so larger tail blades were needed. I used the KBBD blades because that's all I had available to me.

It has taken some time to get the heli to fly right though. I think that since the blade grip arms are so short it was conflicting a little with the Mini Vbar's programing, (Collective pitch was overly touchy; solved it by manipulating the collective pitch curve in the TX). But, when Mikado comes out with their head conversion next month, (which has longer blade grip arms), it will probably be better.

So, for all who are interested in the conversion, there you are.

Kyle Dahl

Hopefully the pictures will work this time.

DanSch,

Since I have never run the Gaui head or the Mikado head I can not do a comparison between the different heads.

Here is a video taken at night using a spot light, at the Visalia Heli Bash this last weekend. It was taken with a Iphone so its not the best but it will give you an idea of how it flies. The heli can be seen most clearly in the last half of the flight.
http://www.youtube.com/watch?v=Lq6wkRliR_4

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01-05-2010 12:30 AM  7 years agoPost 25
DanSch

rrNovice

Goodyear,AZ

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Thanks, I guess i was mostly wondering about the geometry for that head, and you did answer that question. thank you.

seems not too many options for a 450 yet. the Rave head does look nice but as you said it needs longer pitch arms.

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01-08-2010 03:23 AM  7 years agoPost 26
dahld

rrKey Veteran

Bakersfield, CA, USA

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Rave head replaced by a Mikado 450 fbl head

Hi Guys,

I managed to get my hands on the new Mikado 450 head, and got it installed on my 450. I haven't flown it yet, as it is dark here, but I will tomorrow.

So, for those who are interested, look back here tomorrow......

Kyle Dahl

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01-08-2010 03:38 AM  7 years agoPost 27
Jesse Kavros

rrApprentice

San Jose, California

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Is the geometry better? cause that heli is pitchy.

did you see the night flight video carson posted?

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01-08-2010 06:02 AM  7 years agoPost 28
Big Fil

rrKey Veteran

Santa Rosa, CA

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No spotlight?

Looking forward to hearing how the new head works out.

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01-08-2010 03:58 PM  7 years agoPost 29
Justin Stuart (RIP)

rrMaster

Plano, Texas

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I still can't see the pictures.

As for waiting on the Mikado head to be released, the Gaui head is pretty much identical except for the swash driver.

Avant RC
Scorpion Power Systems
Thunder Power RC
Kontronik Drives

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01-08-2010 10:21 PM  7 years agoPost 30
Mapleleafs

rrVeteran

Ontario, Canada

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i wish they would make a 450 size flybarless head like bonta or 3dx design...

Vbar Trex 700N, Vbar MSH Protos 500, Vbar Logo 400

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01-09-2010 02:41 AM  7 years agoPost 31
dahld

rrKey Veteran

Bakersfield, CA, USA

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Wow , What a Improvement!!!!!!!

Well, finally got to get some flyin' in on my Rex 450 with Mikado V-Bar and head conversion. All I can say is WOW. All of the problems that I have mentioned before, are COMPLETELY gone. Also, some other problems that I hadn't discussed before, have also gone away.

I'll go through the problems one by one,

First: The collective "pitchiness" that was there before is completely gone. I was even able to add some "pitch pump" in the V-Bar.

Second: With the other head the dampening was VERY stiff. This, (in my opinion), caused the heli when at low headspeed, or during any bog whatsoever, to oscillate badly. The Mikado head has relatively loose dampening compared to the Rave head. The looser dampening solved this problem. I was also able to lower the headspeed by about 200rpm.

The lower head speed made the heli less flighty, while also maintaining very good performance. Remember, the V-bar doesn't rely on high head speed to get good performance. I was able to go from 3300rpm to 3100rpm. This also increased my flight time by 30 seconds.

All in all, the Mikado head works very well, and I am much happier with the heli now.

Kyle Dahl

P.S. I won't try to upload pics as for some reason it doesn't work....
Also, if anyone is interested in buying a Rave head, PM me

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Scorpion Power Scorpion Power
HelicopterFlybarless Rotor Head SystemsOther › Rave fbl head on Twreck- 450 pro ***REPLACED BY MIKADO HEAD***
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