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450 PRO Class Electric Helicopters 450 PRO Class Electric Helicopters manufactured by Align, Tarot, SYMA, Airhog, Chaos, HK and similar.


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Old 05-03-2012, 08:38 AM   #1
im2tall
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Default DFC ? Main shaft ^ and v play ?

I just purchased some quality servos for my 450,so I decided on a complete rebuild ! When I finished the rebuild I picked up the heli and noticed up and down slop on the main shaft! No big problem I just added a 1mm spacer on top of the main gear and that reduced the slop alot !But there's still a very tiny bit of up and down play !! I'm wondering if this is normal,and am I the only person that has had this issue? Im used to having my stuff mechanically perfect and this bugs me ! I don't think it'll affect flight because it was flown about 10 flights before I shimmed it up ! Im curious is this normal on the DFC ?
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Old 05-03-2012, 11:31 AM   #2
jetblue2135
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I used the two spacers that came in the FBL main shaft package, there is no play in my DFC shaft/head..
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Old 05-03-2012, 11:45 AM   #3
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The only washers that I have in both my DFC packs were 3mm !! I didn't have any 5mm washers with my kits ! That's probably what the problem is .Im gonna have to go through my loose hardware draw after work !! Its supposed to be 2 washers for the main shaft huh ?My luck! Thanks !!
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Old 05-03-2012, 01:32 PM   #4
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Problem solved !! I had to replace a main block bearing !! I'm gonna put electronics back in now ,I've been down 2 weeks with the 450!! Hopefully blades will show up in the mail today !! This is how it looks now,it won't look this way on Monday !!

450 pro mutt !(Tarot,Align,Vwinrc,Alzrc,and ?)
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Old 05-03-2012, 02:32 PM   #5
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Blades are here !! The wait is over !!!
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Old 05-03-2012, 04:49 PM   #6
jetblue2135
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The washers that are in the DFC diagram are not included in the DFC kit....for whatever reason IDK but I had to use washers from other stuff to make mine work as well. So don't worry, it's not just you.
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450 PRO Class Electric Helicopters 450 PRO Class Electric Helicopters manufactured by Align, Tarot, SYMA, Airhog, Chaos, HK and similar.

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