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250 Class Electric Helicopters 250 Class Electric Helicopters manufactured by Align, Tarot, SYMA, Airhog, Chaos, HK and similar. |
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06-23-2015, 03:53 PM | #1 (permalink) |
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Join Date: Jul 2009
Location: United Kingdom.
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align 250 speed controller
align 250 keeps dropping power in flight its seems to be the speed controller.its the stock dfc kit 3gx one its the blue speed controller which is the upgraded one.almost went in today just didn't have any power at full stick thinking of changing the speed controller to 25 amp turnigy with separate bec.
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06-23-2015, 04:05 PM | #2 (permalink) |
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Join Date: Jun 2009
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The 3GX can be power hungry, try turning the pots on top down to say 12 o’clock or 10am and see what happens.
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T-Rex 550E V2 Spartan VX1n, T-Rex 250 PRO DFC Spartan VX1n, Blade 130X. Futaba T8FG Super |
06-23-2015, 05:12 PM | #3 (permalink) |
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Get a Castle Talon 25 and never look back
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Tim KBDD TEAM PILOT --Si vis pacem, para bellum-- |
06-24-2015, 02:30 PM | #4 (permalink) |
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Join Date: Apr 2013
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The Talon 15 doesn't struggle for power at all, even with a 16t pinion and 4200 and 4500rpm.
I thought it was just the BEC that wasn't great on those Align ESC's, I haven't heard of them lacking in power. Are your packs ok? Is there any chance its headspeed dropping, or a pack struggling towards the end of the flight?
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Helis: Oxy 4 Max (day + night), Gaui X3 380, Oxy2 FE 215, Oxy2 Sport 190 Radio & FBL: Spartan Vortex, MSH Brain, Jeti DS-14, Spektrum DX8G2 Sims: RealFlight & AccuRC |
06-25-2015, 07:30 AM | #5 (permalink) |
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Join Date: May 2011
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I use CC25 and Talon 25, both works great.
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Nano CPx, Hirobo Quark 250 SE, Pro Upper Frame, Talon25, KDE, KST215, DS95i, Mini Vbar 450 Pro (6s), KDE, Lynx, Tarot, RJX, YEP40, KST215 & 515, SK540 465 (6s), Align DFC, HW50AV3, KST315 & 8910A+, SK720BE |
06-25-2015, 04:51 PM | #6 (permalink) |
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After reading about the 15s possibly not having enough headroom I opted for the 25s to eliminate the possibility of needing more. That's not to say the 15 wouldn't work for most flights but I have some of the hottest motors for the 250 and I didn't want to risk it (especially since I got the 25s for nearly the same or a bit less than the 15s).
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Tim KBDD TEAM PILOT --Si vis pacem, para bellum-- |
06-25-2015, 05:14 PM | #7 (permalink) |
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Join Date: Jun 2009
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The Talon 15 is plenty good enough to run the T-Rex250, I run the Talon 15 with no problems.
I think the Talon 25 is an overkill. The Talon 25 does weigh about the same as the stock ESC but if you get the Talon 15, you will save at least 10g. That much weight saving, helps the 250 fly better due to the better power to weight ratio.
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T-Rex 550E V2 Spartan VX1n, T-Rex 250 PRO DFC Spartan VX1n, Blade 130X. Futaba T8FG Super |
06-25-2015, 05:20 PM | #8 (permalink) |
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Join Date: Oct 2010
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I run the 25 too. But, I cut down the wires to save weight and where the capacitor is, I cut back the shrink wrap a bit and bent it down slightly (but not to a full 90 degrees - I didn't want to bend it off the esc), This allowed me to mount it under the battery tray, cap towards the motor, and it doesn't stick out in front of the battery.
I'm using the talon gov with a ubrain - so no fbl controller gov - but heck its a 250. I sure miss castle logging, but the ESC works well. |
06-25-2015, 05:31 PM | #9 (permalink) |
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I just picked up a 15 off Ebay for $17 so I'll see how it does next to the 25s. I think eventually I'll start aiming for weight savings but for now I could care less. The 250s fly pretty well for me even if they're on the hefty side.
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Tim KBDD TEAM PILOT --Si vis pacem, para bellum-- |
06-27-2015, 11:24 PM | #10 (permalink) |
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Join Date: Aug 2012
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Maybe I missed it.. Are you loosing all power? Or just power to the motor?
Is the sat flashing solid or off?
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Keep your skids up! TEAM FLYBAR 130x, X3 Sprint, Goblin 500 ikon, Align 600 Nitro fb, Logo 600 ikon, DX7, No more money... |
06-28-2015, 06:12 PM | #11 (permalink) |
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Thread Starter
Join Date: Jul 2009
Location: United Kingdom.
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