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250 Class Electric Helicopters 250 Class Electric Helicopters manufactured by Align, Tarot, SYMA, Airhog, Chaos, HK and similar.


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Old 12-15-2008, 10:53 PM   #1
delgado
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Default Giving credit where its due...thanks Align

Exactly 30 days and 27 flights after purchasing the 250, its time to say thanks for getting the tail issue fixed.. Each of those 27 flights was testing and trying to fine tune solutions to the poor flying characteristics.. None was for enjoyment..

I was very frustrated with the 250. Screws stripped. Tail out of control.. Flying like crap..I was ready to move on..

Finally Align sent me a new tail hub today and all I can say..its WOW. I cant believe that this did not come up during testing. But the new tail hub makes this heli fly like a completely and I mean COMPLETELY different heli.. Now, I finally feel I am in control of the heli as opposed to the mercy of the "tail gods" and god knows where that tails was going to end up after any turns or changes in collective..

Now it flies much like a 450..just a little less stable.

I have the jr290g in the rudder servo and this combo seems to work well for me. My gyro gain on the jr x9303 is set to only 20. Anymore than that I see tail wagging..
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Old 12-15-2008, 10:57 PM   #2
sso2112
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I just got my 250 today and just wanted to ask you is there a way to tell the new tail parts from the old one ? Before I build mine I want to know if have to get the upgrades .
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Old 12-15-2008, 11:03 PM   #3
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The few couple batches that hit the US all have the new hub in them. I think only a couple batches came in with the bad hub. However a lot of the kits that came in with the new hub came with the old bearings for the grips (not the new ones). For those people all they can do is wait for the new bearings to come in from Align or just use a different brand. The easy way to tell is to take your hub (disassembled) and use a caliper or micrometer and measure the smallest step on the hub (furthest out from center and also the same part the tail grip covers.) You should get a measurement of 2.8mm +- a fraction. You will see approx 3mm if you have the old hub. Hope this helps.
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Old 12-15-2008, 11:05 PM   #4
delgado
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Originally Posted by sso2112 View Post
I just got my 250 today and just wanted to ask you is there a way to tell the new tail parts from the old one ? Before I build mine I want to know if have to get the upgrades .
I am not sure if there is an easy way.

If you take the tail blades off, and remove the screw inside the tail grips, if there are two small bearings, you have the old tail assembly. If you have one larger bearing, you have the updated tail.

I imagine that if you purchased it within the last week, Align is probably shipping them with the upgraded tail..
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Old 12-15-2008, 11:47 PM   #5
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Originally Posted by delgado View Post
I am not sure if there is an easy way.

If you take the tail blades off, and remove the screw inside the tail grips, if there are two small bearings, you have the old tail assembly. If you have one larger bearing, you have the updated tail.

I imagine that if you purchased it within the last week, Align is probably shipping them with the upgraded tail..
The bearings are not the tel tale sign as I previously posted. I have a few kits left in stock right now that do have the new hub but the old bearings....stinks but the bearings can be had from many places other than align right now
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Old 12-16-2008, 05:49 AM   #6
s76 mech
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Default Agreed

Thanks to Align for the quick fix on the tail.

Also, thanks to Bert and Leon for helping us thru with solid setup advice!

- Rick Cotte
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Old 12-16-2008, 06:05 AM   #7
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I got to see Bert and Leon fly thier 250's this weekend at Bertís Fun Fly.. holly smokies, they are out of control fast and low, they both have 2 and Leon has one with a motor he dug out of his stores, and it is super fast and hard to follow, he must have stole some of the Flashes breakfast shake to keep up with it!
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Old 12-16-2008, 07:56 AM   #8
delgado
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Originally Posted by Nankin Hobby View Post
The few couple batches that hit the US all have the new hub in them. I think only a couple batches came in with the bad hub. However a lot of the kits that came in with the new hub came with the old bearings for the grips (not the new ones). For those people all they can do is wait for the new bearings to come in from Align or just use a different brand. The easy way to tell is to take your hub (disassembled) and use a caliper or micrometer and measure the smallest step on the hub (furthest out from center and also the same part the tail grip covers.) You should get a measurement of 2.8mm +- a fraction. You will see approx 3mm if you have the old hub. Hope this helps.
Thanks for the correction.. That was the difference when I took mine apart..

Look at this thread on post no40 and there is where this size difference is explained
http://www.helifreak.com/showthread.php?t=106326
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Old 12-16-2008, 09:42 AM   #9
Jerry Himalaya
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Originally Posted by delgado View Post
Thanks for the correction.. That was the difference when I took mine apart..

Look at this thread on post no40 and there is where this size difference is explained
http://www.helifreak.com/showthread.php?t=106326
So by looking at post #40 all you need is to machine that little inner piece to 2.8mm and it will cure this problem?
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Old 12-16-2008, 09:44 AM   #10
delgado
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So by looking at post #40 all you need is to machine that little inner piece to 2.8mm and it will cure this problem?
According to them, it will.. I would just wait for the correct new style tail hub from align.. that will solve the problem. I tried fix1 and that did not work for me.
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Old 12-16-2008, 03:21 PM   #11
12/07/41
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Give credit where itís due? Ya Right
The only people Iíll give credit to is all the people on heli freak that tried to help meÖ
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Old 12-16-2008, 03:31 PM   #12
ferret30
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Originally Posted by 12/07/41 View Post
Give credit where itís due? Ya Right
The only people Iíll give credit to is all the people on heli freak that tried to help meÖ
Remember how this isn't a problem with Align, but with the distributor??? You need to contact the store you purchased from. AlignRCUSA is one of many *distributors* and is not Align. Align is replacing all defective hubs, but AlignRCUSA isn't going to help you if your kit didn't go through them.
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Old 12-16-2008, 03:54 PM   #13
12/07/41
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Itís not a problem with align???
Didnít Align designed the bad tail hubs?
And
Align is not replacing all defective hubs what about the replacement hubs. I paid for two trying to fix a bad tail design..
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250 Class Electric Helicopters 250 Class Electric Helicopters manufactured by Align, Tarot, SYMA, Airhog, Chaos, HK and similar.

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