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Home✈️Aircraft🚁HelicopterAlignOther › 600 nitro build ?
02-08-2008 11:27 PM  11 years ago
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D.Magee

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kansas city mo.

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600 nitro build ?
How big of a 7.4 v. battery do I need
I am using a 601 gyro
three bls 451 futaba servos
one 9254 servo throt
one s9256 servo tail
and a multi gov.
Also I bought a Castle 10 amp regulator
When I got it it seams small
Is 10 amps enouff
Thanks for your help.
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02-08-2008 11:30 PM  11 years ago
george0079

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USA

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Is the reg rated for 10 amp burst, or 10 amp constant?Hell... I can fix that.
Uh oh..
Nope.
It's ***ked!!!
RE-KIT!!!!!
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02-08-2008 11:49 PM  11 years ago
D.Magee

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kansas city mo.

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24v. max input
4.8 to9v adj. out
peak 10 amps
12 v. input= 7 amps
24 v.input=5ampsit says servo conetcors not rated for curents
in excess of 5 amps
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02-09-2008 01:10 AM  11 years ago
george0079

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USA

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The JR 8717 is only pulling about 2 amps under extreme 3D (So I've read) and they are about the most power hungry servo that I know of. The BLS451 is supposed to draw less than that.

So, even at 1.5 amps times 3 for the cyclic, is only 4.5 amps. Plus throttle and tail servo..... You should be fine.
Hell... I can fix that.
Uh oh..
Nope.
It's ***ked!!!
RE-KIT!!!!!
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02-09-2008 01:26 AM  11 years ago
WiscHeli

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Wisconsin USA

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for a 2S 7.4v Lipo i would do a Min of 2200mah better 4000-4200 then never worry of running low .. i have a 3900T-Rex450seV2,, 600N-Pro ..500CF... Jr 9303 Syn 72Mhz
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02-09-2008 01:58 AM  11 years ago
baddynergy

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sierra madre, ca- usa

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I am running the Align 1900Mah Lipo and I get 5 HARD flights. Then I switch birds. Honestly how many flights do you plan on in a day? The average battery consumption for me is around 325mah per flight.**Unattended children will be givin a shot of espresso and a puppy**
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02-09-2008 05:29 AM  11 years ago
Aerospire

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Honolulu, HI

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Please be aware that if you are using a Spektrum receiver the Castle Creations 10 amp BEC, you run the risk of your helicopter locking up in flight and potentially crashing due to a receiver brown-out.

The Castle Creations BEC does not handle high load servos very well and drops the voltage too much. The best way to test this on the bench is to move both sticks very fast and see if your receiver resets.

I know for sure that the Castle BEC could not handle JR8717 cyclic servos a little while ago. Maybe they fixed the problem by now but I personally wouldn't risk it.

bob
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02-09-2008 04:13 PM  11 years ago
D.Magee

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kansas city mo.

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Thanks Airospire what regulator do you use

Is any one using the futaba 7c 2.4ghz and if so what regulator
are you using thats the radio I have ordered.
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02-09-2008 04:34 PM  11 years ago
Aerospire

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Honolulu, HI

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The Align 2-in-1 regulator holds up well. If you want something smaller or don't need the autoglow, you can use their regular 6A BEC.

The Align regulators put out a higher voltage (~5.7 volts) so make sure you have a voltage drop down connector on your tail servo and also your throttle servo since you are using a 9254.

bob
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02-09-2008 05:33 PM  11 years ago
ZAC ATTACK

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Hamilton Ontario, CANADA

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If your servos are drawing high amperage,your concern is the wiring between the RX&the regulator! 14-16 AWG wiring withn deans or EC3 connectors to be safe. LewMAAC#77677 Medicated daily for your protection
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02-09-2008 06:08 PM  11 years ago
inkspot1967

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Cranston Ri

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im using a evolite 7.4v 2s 2100 pack on mine with 3 8717's running at 8volts

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02-09-2008 06:28 PM  11 years ago
jans

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Las Vegas

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I have the same problem the Castle Creations BEC. I sent it back to them, but the new one they sent me does the same thing.

janssen
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02-09-2008 07:48 PM  11 years ago
2LTime

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Walworth,NY

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I have noticed a significant drop in range when using the CC BEC with a 9303 on 72Mhz. So much so that I probably won't use it again.

Jeff
If you can't learn to do it well, learn to enjoy doing it badly.
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02-09-2008 08:52 PM  11 years ago
D.Magee

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kansas city mo.

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Does the Align 6a bec have 14 awg wiring?
wll one stepdown voltage conector work for two servos or do I need two of them?
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02-09-2008 09:30 PM  11 years ago
inkspot1967

rrProfessor

Cranston Ri

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to make it easy you should get a align 2 in 1 reg with align 1900 lipoly battery and 2 stepdowns one for the 9254 and one for the 9256 servo, run the 451's on the 5.8v from the reg.
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02-10-2008 05:16 AM  11 years ago
LoveMyTrex

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Hamilton,VA

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so ink you went high voltage! nice, is the speed just insane on those 8717s?600N 55HZ/SAB-55 600V's
700N 91HZ/SB-20 690V2 V's
90SG 91HZ/SB-20 710V2 V's
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02-10-2008 08:32 AM  11 years ago
Funky Trex

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Westerville, OH - USA

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Same problem here with the CC BEC. It causes my Spektrum 9000 to reset when you load the servos enough. I wouldn't trust it.
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02-10-2008 09:38 AM  11 years ago
darksidedave

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niles,MI

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this is what I plan for the 700N,
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02-10-2008 11:59 AM  11 years ago
inkspot1967

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Cranston Ri

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so ink you went high voltage! nice, is the speed just insane on those 8717s?
i wouldnt say insane but i like them.....
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