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550 Class Electric Helicopters 550 Class Electric Helicopters manufactured by Align, Tarot, SYMA, Airhog, Chaos, HK and similar.


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Old 08-01-2010, 04:05 PM   #1 (permalink)
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Join Date: Dec 2009
Location: Snoqualmie, WA
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Are you guys able to fit the 6s 5000mah HK packs on your 550s? I'm looking to order everything for a 550 setup this week but have seen the frame spacing is 47mm but the HK packs all have a minimum dimension of 49mm or 50mm. In the images I've seen it seems the battery is pushed back between the frames a little bit, I'm assuming this is where the pack needs to sit for a proper CG.

Thanks in advance for your help.
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Old 08-01-2010, 04:25 PM   #2 (permalink)
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Location: Eagle, CO
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My Rhino 4900mAh 25C fits between the frames but doesn't really need to for good COG.

My Zippy 5000mAh 25C does not fit between the frames and gets good COG about 1/4" below that part of the frame.
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Jonathan Livingston Helicopter
Blade 400: E-flite 420H/35X ESC, AR6100e, HS65HB x 3, G401B/DS290G. (Ret.)
CopterX 450AE V2: 430XL/35X ESC, AR6100, HS65HB x 3, LTG2100T/HSG-5084MG.
T-Rex 550E V1 Classic Flybar: 600MX/BL70G, AR6200, DS610 x 3, Quark/DS650, 16t/520mm blades.
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Old 08-01-2010, 05:15 PM   #3 (permalink)
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My HF Map location
Join Date: Dec 2009
Location: Snoqualmie, WA
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Quote:
Originally Posted by Wolfpackin View Post
My Rhino 4900mAh 25C fits between the frames but doesn't really need to for good COG.

My Zippy 5000mAh 25C does not fit between the frames and gets good COG about 1/4" below that part of the frame.
Thanks Wolfpackin, I really appreciate the help. I just ordered the 550 combo from my LHS today. Based on the posts of yours I've read it seems your happy with the 550, any input for me as I get ready to build mine?
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Old 08-01-2010, 05:22 PM   #4 (permalink)
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Location: Eagle, CO
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PM on the way...
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Jonathan Livingston Helicopter
Blade 400: E-flite 420H/35X ESC, AR6100e, HS65HB x 3, G401B/DS290G. (Ret.)
CopterX 450AE V2: 430XL/35X ESC, AR6100, HS65HB x 3, LTG2100T/HSG-5084MG.
T-Rex 550E V1 Classic Flybar: 600MX/BL70G, AR6200, DS610 x 3, Quark/DS650, 16t/520mm blades.
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Old 08-01-2010, 05:40 PM   #5 (permalink)
 

Join Date: May 2004
Location: ft, worth
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turnigy 6s 5000 40-50c work great.

they do not need to go in between the frames.
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Old 08-01-2010, 07:30 PM   #6 (permalink)
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Quote:
Originally Posted by philipfrank View Post
turnigy 6s 5000 40-50c work great.

they do not need to go in between the frames.
Thanks for the response philipfrank, it's good to know other people have worked through some of these basics already.

-Sam
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