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Home✈️Aircraft🚁Helicoptere-AlignT-REX 450 › SE V2 ?'s
05-26-2007 05:28 PM  13 years ago
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THX1138

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Indianapolis, IN

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SE V2 ?'s
I have put about 40 flights on my V2 and it is a spectacular helicopter. I have had a small amount of control interaction since the initial build but have just dealt with it till yesterday. I ordered the Trueblood swash leveling tool and redid my control linkages.

When I was done, I had 0 deg at mid stick and 12 deg top and bottom. I have 100% throttle flat across idle 2.

My issue is, I have twice the climb out inverted than I do upright. Any suggestions?

Lou
Just give me five dudes and two flashbangs...
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05-26-2007 07:49 PM  13 years ago
caseyjholmes

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Portland, Oregon

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Had the same problem yesterday.
Still trying to find the cause.. (I knew it wasn't me, as I checked top and bottom pitch to 12* before I Went out!)
Might be in the play ridden rotor grips.
Wind can cause it too. (but not like this..)

So far my V2 isn't half the solid machine my V1 was
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05-27-2007 06:11 AM  13 years ago
rcmarty

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Penticton , B.C. CANADA

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Me too ..

Goes darn good inverted , not nearly good upright and motor bogs more. Figure that out

Martin
What goes up will come down.... one way or another !
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05-27-2007 03:19 PM  13 years ago
drdot

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So. California, Orange County.

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fwiw..

Tune the climb with the pitch curve...We've noticed most 450s climb better inverted, guessing the rotor has cleaner airflow so is more efficient...Bogging is too much pitch...

John.
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05-27-2007 03:53 PM  13 years ago
Brandon3D

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Canada

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hmm, I have a v2 and I had that same problem but! I fixed it I put more percent in the swash mix. I got perfect -11,+11 on both blades just make sure you have even amount of pitch on the slide and ajust the links untill you get it all good.

Hope this helps, Brandon
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05-27-2007 03:57 PM  13 years ago
caseyjholmes

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Portland, Oregon

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Yes, pitch is even, and the machine is not flying as though pitch is even.
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05-27-2007 04:01 PM  13 years ago
Brandon3D

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Canada

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Thats werid :S so you did a pitch gadge check?

Brandon
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05-27-2007 08:53 PM  13 years ago
caseyjholmes

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Portland, Oregon

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so you did a pitch gadge check?
of corse! That is part of proper helicopter setup
Yes it is wierd. It has something to do with the V2 head for sure.
I flew it again today.
Major jitter during tic tocs, Disk wobbling everywhere, near boom strike, unequal pitch climbout regardless of pitch range etc etc etc.
I stopped flying it before the battery was done for fear of it "exploding".

I will likely be selling my V2. My mini Titan E325 knocked the socks off my V2 today for sure. The E325 flew perfect, no wiggles, no bad characteristics, flat out perfect.
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05-27-2007 09:05 PM  13 years ago
Brandon3D

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Canada

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aw man.. This is my first helicopter it took so long to aford and now I hear it sucks gerr this is pissing me off..
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05-27-2007 09:13 PM  13 years ago
drdot

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So. California, Orange County.

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fwiw..

Trust me...The V2 does not suck....

John.
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05-27-2007 09:13 PM  13 years ago
tat2wallace

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Spring Lake, NC

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i had the problem... i just adjusted the links on the blade grips 2 turns up.. for slight more normal pitch... it seemed to fly right.... it is weired, but at 0 degrees halfway does this for some reason... 2 to 3 at midstick does the trick for me....
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05-27-2007 09:35 PM  13 years ago
caseyjholmes

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Portland, Oregon

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Trust me...The V2 does not suck....
You must have got a good one! Mine has serious issues.
The bearings in the blade grips have clearance around them, the dampeneing is way too loose even modified to where it won't fall out.
The rest of the heli is fine, but the head I Recieved is some kind of mean joke.

I like the align 450's. I'm not trying to bag on them at all. But this rotor is unacceptable. I would be happy to demonstrate.

If the pitch requires 2-3* at mid stick to feel equal, something is very wrong.

I have tried taking into account the up and down play in the rotor grips when adjusting pitch too, to no avail.
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05-27-2007 09:38 PM  13 years ago
Brandon3D

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Canada

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hmm cool well I dont have the problem yet but mine flys great... I only have 325 woods for right now but Geting Radix 325's soon so I can do some harder 3D.

Brandon
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05-27-2007 09:48 PM  13 years ago
caseyjholmes

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Portland, Oregon

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on a properly flying heli, woodies should be ok for 3D, or atleast that was my experience on the V1..
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05-27-2007 09:55 PM  13 years ago
lightningrc

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UK

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I have the V1 and V2 , both set at around -10+11 , the V2 is doing the opposite to yours inverted climb out is a joke , its like the lipo as suddenly gone flat .

I set all the servos at 90 and zero'd every thing then adjusted the min/max like on my V1 , its flies very well just does not have the inverted power of my V1.

Im going to try winding off the negative pitch in my radio trial and error at the field , slowly take it down to around 8 or less
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05-27-2007 10:04 PM  13 years ago
Brandon3D

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Canada

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hmm...Well I only have about 5-6 flights on my V2
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05-28-2007 12:47 AM  13 years ago
Mr Joshua

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Princeton, NJ USA

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Well I suppose you could always just get a V1 head or just the relevant V1 parts no?

A couple friends got V2 heads when they came out. They took them right off until the dampening is fixed.

For now I will tell folks to get a V1 if asked. Can always snag a V2 head later.
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05-28-2007 01:44 AM  13 years ago
rcmarty

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Penticton , B.C. CANADA

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I posted about this problem a while ago on the freek.

They told me to make sure you disable the pitch trim lever/knob.

Just thought i'd throw that in there (mine was disabled before programming) but some of you may not have.

It's in a bad spot on the 9303 , just below the idle switch on a slider , soo easy to bump IMO

On another note after 15 flights it seems as there more matched up now, by more matched up i mean the inverted still feels stronger but not as much as it felt before. Whether it's more flight time and getting to see it in different flying positions or something breaking in/wearing out (dampers are a sore point from what i hear) i can't say. I will say i'm happy with it.

And it does fly well , many complain about the dampers but one should take it all in perspective. If your a hard core 3d guy that can lay a beating on a heli then you may have the ability to notice (any maby upgrades for hard usage may apply) but if your like me doing 3d (ugly 3d that is ) it flies great. Leaps and bounds better than my old 450 plastic fantastic ever dreamed of being.

Martin
What goes up will come down.... one way or another !
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05-28-2007 04:27 AM  13 years ago
trex600pup

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heli land

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well my V2 climb equal inverted or upside up, i had similar problem but it was when i was using the standar v2 dampeners but now i am using v1 dampeners and don't have that problem and no slop You know how your going to go up!!!! but do you know how you will come down?
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05-28-2007 05:29 AM  13 years ago
irq

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San Diego, CA

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For those of you who have unequal climbouts (myself included), what blades are you using?
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