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Old Oct 16, 2010, 07:25 PM
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USA, CA, Novato
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its up and in the air. still seems that the curse of HK's slipping belts has followed me to this heli too. vids and gps coming.
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Old Oct 16, 2010, 08:47 PM
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USA, CA, Novato
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hk 450 gt pro maiden (7 min 39 sec)
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Old Oct 17, 2010, 08:25 PM
master of the universe
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USA, CA, Novato
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i tighted up the tail boom and added an extra tailboom support to clinch in the tail for some extra insurance. seemed to be holding tight now. also added some thread locker.

cracked the landing gear already on rough landings. luckily i have a replacement in stock:

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Old Oct 17, 2010, 08:27 PM
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likely upgrades at some point: shaft drive and carbon tail rod. need to figure out how i want my pitch curve setup.
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Old Oct 19, 2010, 02:37 AM
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Sweden
Joined Jan 2010
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Ive flown my gt pro belt 4 times now, on a 12t pinion. Something I immediately noticed compared to the V2 was that it is way quieter! It has a really nice sound to it when hovering.
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Old Oct 23, 2010, 12:20 AM
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running a 12t here as well

md 500 edit (5 min 1 sec)
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Old Oct 25, 2010, 10:34 AM
Your avarage HELI NOOB
Florida
Joined Mar 2010
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Ordered my Pro Belt on Friday, cant wait for it to get here so I can start the B400 sacrifice! Now all i have to do is buy a motor and an ESC.
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Old Oct 25, 2010, 11:25 AM
master of the universe
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congrats. will post some new pics and vids soon on page 1.
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Old Nov 21, 2010, 04:09 PM
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md500.wmv (2 min 10 sec)
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Old Nov 21, 2010, 07:30 PM
AMA# 548800
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United States, CT, Trumbull
Joined Dec 2007
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Looks good I still haven't built mine yet, how did you fix the belt slipping?
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Old Nov 21, 2010, 08:00 PM
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ohh i tighted the tail up properly, then cranked down the boom bolts with some locktite.
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Old Nov 30, 2010, 12:11 AM
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posted new video on page 1
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Old Nov 30, 2010, 12:18 PM
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United States, IA, Lone Tree
Joined Aug 2009
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hk450

what servos are you guys using ? i ordered hitec hs56mgs and a 5083 for my heli. neither of those will work with the way they mount. i just ordered hs65mgs but i am not sure what tail servo to get. any info would reall help. Thanks Larry
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Old Nov 30, 2010, 12:20 PM
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Orlando, Fl
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Quote:
Originally Posted by captaingeek View Post
its up and in the air. still seems that the curse of HK's slipping belts has followed me to this heli too. vids and gps coming.
An easy and sure fix for slipping belts is to take an old metal tail boom servo clamp and cut off the extension where the servo mounts. Put it on the tail boom next to the frame. When the belt is tight, slide the clamp snug up to the back of the tail boom mount and tighten. The boom cannot slide back into the tail boom mount. Works great.

Also, I would replace any of the plastic belt sprockets with align metal sprockets. The plastic ones will break eventually. Does the HK 450 Pro come with plastic or metal belt sprockets?
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Old Nov 30, 2010, 01:30 PM
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USA, CA, Novato
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It comes with plastic that are half decent. TT will be installed in this heli at some point.

Im running these servos:
http://www.hobbypartz.com/9gexidimeges.html

http://www.valuehobby.com/product_de...21&item_id=208
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