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700 Class Electric Helicopters 700 Class Electric Helicopters manufactured by Align, Tarot, SYMA, Airhog, Chaos, HK and similar.


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Old 04-25-2012, 08:34 AM   #1 (permalink)
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Default Flybarless DFC Head, Comments?

Has anyone tried this yet? Its sure taunting me

http://helidirect.com/align-t-rex-70...9a-p-26196.hdx
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Old 04-25-2012, 09:41 AM   #2 (permalink)
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Kindly do a search....
I believe quite a number of guys have them if not half of the guys running FBL setups.
I for one have it but have not installed it yet,and there's a review of this head somewhere here.

Found one....

https://www.helifreak.com/showthread.php?t=367055

Last edited by Scorny; 04-25-2012 at 09:45 AM.. Reason: Did a search.
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Old 04-25-2012, 10:05 AM   #3 (permalink)
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I would highly recommend trying the DFC head, Mechanically it is very simple and setup was so easy. I remember the days on the B400 and trying to get all the linkages setup just right..... It took me like 20 minutes as I was building my new Trex 700e to setup the DFC head I also believe DFC will survive a crash better and if not OK you replace like what, five parts. My only suggestion to Align would be to have 0 degree pitch markers on the blade grips and the rotor head that would make setup even more easy.
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Old 04-25-2012, 10:47 AM   #4 (permalink)
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I'm running the DFC head on 3 of my heli and so far I'm very satisfied. Very easy to setup and just looks clean.
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Old 04-25-2012, 11:18 AM   #5 (permalink)
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Love mine. Can't wait for the 250 DFC to become available.
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Old 04-25-2012, 06:54 PM   #6 (permalink)
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Great feedback! Thank You
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Old 04-25-2012, 08:20 PM   #7 (permalink)
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Regarding the DFC head, only two words come to mind: Freakin Awesome!
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Old 04-25-2012, 08:46 PM   #8 (permalink)
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This head makes the heli fly much nicer, I really like it! Just make sure you use harder dampeners, Align DFC dampeners and Trueblood dampeners are great choices for this head.
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Old 04-25-2012, 08:57 PM   #9 (permalink)
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How do you (y'all) think the DFC would do at 1950-2000 running Mavrikk 690s and RT 115s? I'm a strong intermediate flyer, learning more aggressive 3D.

Right now I run the lime green KBDD and really like them, but they seem to start to wobble below ~1950. Those probably aren't stiff enough, are they?
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Old 04-26-2012, 05:14 AM   #10 (permalink)
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DFC is great.
I'm trying some KBDD lime greens with Rail 696's & tails next week on my 700EV2
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Old 04-26-2012, 06:59 AM   #11 (permalink)
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Quote:
Originally Posted by K2Freak View Post
How do you (y'all) think the DFC would do at 1950-2000 running Mavrikk 690s and RT 115s? I'm a strong intermediate flyer, learning more aggressive 3D.

Right now I run the lime green KBDD and really like them, but they seem to start to wobble below ~1950. Those probably aren't stiff enough, are they?
I'm running the harder Trueblood dampers with the Skookum 720, DS610's and Edge 713's without any issues or wobbles between 1700rpm to 2000rpm.

I think the end result with flybarless is very much dependant upon a ridged head, fast servos and flybarless system features compared to a mechanical flybarless with soft dampers, slower servos, lighter blades and paddles.
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Old 04-26-2012, 12:02 PM   #12 (permalink)
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Quote:
Originally Posted by rceccleston View Post
I think the end result with flybarless is very much dependant upon a ridged head, fast servos and flybarless system features compared to a mechanical flybarless with soft dampers, slower servos, lighter blades and paddles.
+1 on this....
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Old 04-26-2012, 04:29 PM   #13 (permalink)
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I would like to clarify. Does this kit extend the main shaft so that a 3rd bearing block can be used?
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Old 04-26-2012, 05:04 PM   #14 (permalink)
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It does, I just put the third bearing block in two nights ago, I don't have a picture right now but I can post one tonight if you want.
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Old 04-26-2012, 11:01 PM   #15 (permalink)
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Very nice! I have one on the way. I am exite!

Monday, the beast gets a makeover!
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Old 04-27-2012, 02:43 AM   #16 (permalink)
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Hi all,

I have a DFC head on it's way to me and need some advice or comments about what I should think about before, during and after installation? anything except threadlocking and so
I currently have a 700V2
All advices and comments are welcome

Thanks
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Old 04-27-2012, 02:11 PM   #17 (permalink)
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Quote:
Originally Posted by mgorgis View Post
Hi all,

I have a DFC head on it's way to me and need some advice or comments about what I should think about before, during and after installation? anything except threadlocking and so
I currently have a 700V2
All advices and comments are welcome

Thanks
Keep your headspeed high, above 1950 rpm, your blades tighter in their grips, hard dampeners and fly the crap out of it....

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Old 04-27-2012, 02:43 PM   #18 (permalink)
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Quote:
Originally Posted by ualdrivr View Post
fly the crap out of it
That I always do and my head speed is 2050 on my 700

Why exactly do I need harder dampers?
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Old 04-27-2012, 11:29 PM   #19 (permalink)
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I absolutely love mine. I am using the stock dampers but I am just a big air, very light 3D guy. I have flown the 700e with both the standard FBL head and now with the DFC and I much prefer the DFC version. Just feels more crist and connected.

I just bought a V2 550e and will be putting a DFC head on it too

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Old 04-28-2012, 03:48 PM   #20 (permalink)
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Personally I hated the DFC on the 700e. I took it off after around 15 flights and reverted back to the original FBL v2 head. It made the blade noise way too loud, constantly, and made the machine look too small in the air. A 90 should look like a 90 IMO. I also genuinely don't believe it made a bit of difference to the way it flew, and have confirmed that by fitting the original and flying with that for lots of flights.

On the other hand I love it on the 550. It made a lot of difference on that, it's no noisier, but it is sharper and more efficient.
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