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Compass 7HV, 7HVU and Chronos Compass Compass 7HV, 7HVU and Chronos Model Helicopter Discussion


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Old 12-30-2012, 04:08 PM   #21 (permalink)
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OK now lets talk head speeds what are some good head speeds for this bird i am sorry for all the noob questions this is my first big boy
I've tried all kinds of headspeeds, 900-2400. I'm now flying 900 in normal (its set as a idleup though, and its really just for showing off I don't fly it alot this low), 1800 in idle 1 (I really like this headspeed, can still get it moving quick, not as intimidating, almost doubles my flight time), and idle 2 is at 2150 (usually fly here, really moves out, no lack of power. It's a good headspeed).
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Old 12-30-2012, 04:27 PM   #22 (permalink)
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900 Lincoln. What motor / esc / pinion you using there?
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Old 12-30-2012, 04:32 PM   #23 (permalink)
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well i have the Quantum 4530-500kv and i am saving up for the yge 160 and i was gonna try to see what pinon i was gonna need.
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Old 12-30-2012, 04:35 PM   #24 (permalink)
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I have the quantuam and a hobbywing, I know it's not good on the esc but I don't do it often enough to care to much. Really want to get a YGE 160.. maybe next $400 or whatever they are I get I'll get one.
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Old 12-30-2012, 04:37 PM   #25 (permalink)
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I have the quantuam and a hobbywing, I know it's not good on the esc but I don't do it often enough to care to much. Really want to get a YGE 160.. maybe next $400 or whatever they are I get I'll get one.
what pinon you using ? Is it the new gear?
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Old 12-30-2012, 04:50 PM   #26 (permalink)
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Well, it goes to show how good the old HW120 really for the money.

Surprising it didn't burst into flames at 900 without AFW as that's a lot of energy going nowhere.

I asked YGE what the minimum % we could use with AFW and they said 45%

Kontronik will let you go much lower!
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Old 12-30-2012, 05:20 PM   #27 (permalink)
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Yep the hobbywing is great. Probably done 10 flights or so at 900 rpm never had a issue.
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Old 01-05-2013, 09:59 PM   #28 (permalink)
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Has anyone tried http://epbuddy.com/index.php?main_pa...roducts_id=370 ? i thank i might try them once i get my kit
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Old 01-21-2013, 07:20 AM   #29 (permalink)
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well guys i am one happy boy my wife ordered me the 7HV kit today from Helidirect they are having a 10% off today and she told me happy early birthday god i love her
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Old 01-22-2013, 06:06 AM   #30 (permalink)
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ok what is Freewheeling? that is a new one to me

How BLDC Active Free-wheeling (Synchronous Rectification) works.. (10 min 27 sec)



There's a very good post also going on here...
LINK
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