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HelicopterHIROBOOther › Freya, first impressions and a problem
05-01-2004 08:32 PM  13 years agoPost 1
Brian W.

rrNovice

Nor Cal

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Well I put four flights on my brand new freya today and I am happy with the overall performance of it. It flies nice and smooth.

The one problem I did have, is that when I would go up for a loop it wants to roll over on me. I'm not sure what the problem is, perhaps it is the tail not holding well. Same thing when I went to do some tic tocs. Any insight?

My setup is:

OS 91 C-Spec
Mah 690 blades
stock blue tail blades
GY401/9253
TJ Pro
CX Dampeners
Headspeed is ~1850 in idle up 2

Thanks,
Brian

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05-01-2004 08:35 PM  13 years agoPost 2
DOKEY

rrProfessor

Northamptonshire UK

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Check the swashplate timing. Otherwise might need some mixes in there.

Ryan.

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05-01-2004 08:42 PM  13 years agoPost 3
Brian W.

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Nor Cal

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Hi Dokey, honestly I'm not sure how to check the swashplate timing. As far as mixing, I shouldn't need that with a governor, right?

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05-01-2004 08:52 PM  13 years agoPost 4
Redline

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SE Michigan

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Brian,

Check step 18 in the manual (Fig 3 in particular). The last paragraph eplains what is refered to swashplate timing. If everything isn't aligned as shown it will cause what you're seeing (don't ask me how I know this ).

Carl

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05-01-2004 08:54 PM  13 years agoPost 5
DOKEY

rrProfessor

Northamptonshire UK

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Mixing can be any channels mixed together not just a channel plus throttle, what you have isnt to do with the govenor.
It could be that when you apply collective you are getting a small amount of alieron or elvator with it aswell, because the swash timing is out.

On mine there was a plastic ring just below the head block that had 2 pins coming out of it, this part you should be able to slacken and turn slightly, doing this will change the swashplate timing and you will have to experiment a bit.

Im doing this from memory, if im missing something im sure someone will correct me !

Ryan.

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05-01-2004 09:00 PM  13 years agoPost 6
Kinger

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Granville, OH

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Sounds like a swashplate timing issue. Put your collective at half stick - 0 degrees - with your flybar aligned with the tail. Now look at the portion of your swashplate that does not have a linkage ball attached. When you look through the hole, you should be looking straight at an inside linkage ball. If not, you need to rotate your radius block around on the main shaft until you can see the ball through the hole.

Team Synergy

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05-01-2004 09:07 PM  13 years agoPost 7
Brian W.

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Nor Cal

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Wow guys, thank you so much for the quickl replies and the help! I took a look and I am definitely out of alignment.

It seems like you never stop learning with these helicopters.

Brian

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05-01-2004 09:11 PM  13 years agoPost 8
EChapkis

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Tampa, FL

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Phasing

Setting the phase is super easy, but so many people including myself had this problem with my first Hirobo.

Almost everytime I check out a new heli at the field, when it is a Hirobo, the phase is always off. I once looked over a heli that had been flown for over a year it was out of phased! How he learned to hover was amazing.

If you think your Freya is awesome, the EVO (IMO) is even better. Glad you found the problem.

Evan Chapkis Tampa, Florida

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05-01-2004 09:15 PM  13 years agoPost 9
Kinger

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Granville, OH

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I second that comment on the Evo Wicked heli for such a little price. Doinked mine the other day (again) and replacement parts ran me $45 minus blade. Suhweeet!! Just wish it could rebuild itself. LOL

Not sure why Hirobo doesn't do a better job explaining how to set the phasing in their manuals. In my opinion, the wording in the manual is just super confusing.

Team Synergy

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05-01-2004 09:19 PM  13 years agoPost 10
Brian W.

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Nor Cal

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Yeah, the manuals leave a a lot to be desired, and my inability to thoroughly read instructions

I did have an EVO 50, it was a sweet flying heli, I had a moment of weakness and sold it to fund the 90 class machine..... regret doing that for sure. I am pretty sure I'll get another one in the future.

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05-01-2004 09:24 PM  13 years agoPost 11
Kinger

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Granville, OH

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Actually, I think the Hirobo manuals are great except for that critical section. Ever build a Raptor? I would have been screwed if it wasn't for Raptortechnique to help me out.

You'll have to report back on your Freya flights after the phasing fix.

Team Synergy

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05-01-2004 11:53 PM  13 years agoPost 12
MJA

rrKey Veteran

UK

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I think part of the problem is that maybe people just assume the radius block lines up with the slit in the rotor hub,when in fact it lines up with nothing of any significance on the rotorhub
when set for neutral timing,you have to look at the swashplate balls with either the blades or flybar in line with the boom.I think on the Shuttle the pins did actually line up with something on the rotorhub


Martin

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05-08-2004 12:37 AM  13 years agoPost 13
Brian W.

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Nor Cal

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Flight update:

Well after fooling with the swash timing some, I took it out today and it was MUCH better. I still need to fine tune it, but what a difference.

Now I'm getting the flutters Let's just say I got the woof and somehow didn't get the poof lol, lucky me. Doesn't seem to like a high headspeed with these MAH blades. So I guess I'll give the thunder tigers a try.

Are the TTs a good option for the freya?

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05-08-2004 12:59 AM  13 years agoPost 14
CT.Chopper

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Meriden, CT

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Yes Man By all means, The V Blades are my first choice, but the TTs work very well also.

Stay away from "cheaper" blades.

Rob Landry.

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05-08-2004 01:35 AM  13 years agoPost 15
I3DM

rrProfessor

Israel

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Just a little note, with all Hirobo's that i checked \ flew, aligning perfectly as in the manual would still induce a touch of control interaction, what i do is turn the radius block a little in the direction that makes the "angle" of the flybar rods LESS steep, just a tad, and that seems to be the sweet spot.

did anyone else notice this about phasing adjustment ?

www.liorzahavi.com

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05-08-2004 03:13 AM  13 years agoPost 16
ZZ3Astro

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Panama City, Fl

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steve

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05-08-2004 03:38 AM  13 years agoPost 17
rcadd1ct

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Richardson, Texas

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I have run SABs and TT blades.

I like the SABs better than the TTs.

-RCA .......... Making Cuisinarts Fly!!!!!!!

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HelicopterHIROBOOther › Freya, first impressions and a problem
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