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A Main Hobbies . Boca Bearings . Modefo's RC Helicopters

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Avant Aurora - EFX - FX > Aurora servos
 
 
Jocker
Heliman
Location: Rostov-on-Don,Russia

What servos is the best for Aurora?
05-03-2008 11:23 AM
 
 
BarracudaHockey
rrMaster
Location: Orange Park FL

8717 followed by 9452s


AMA 77227
http://www.jaxrc.com
05-03-2008 11:54 AM
 
 
Raptile
Senior Heliman
Location: SLOVENIA-Logatec

My BLS-451 are great on Raptor V-Max

T-Rex450SE, Raptor 50, Raptor 90 & FUTABA user =)
05-03-2008 11:59 AM
 
 
BarracudaHockey
rrMaster
Location: Orange Park FL

Yep, sorry forgot about those. I'd tie them with the 8717s and the 9452s are one step down, though stil very capable.


AMA 77227
http://www.jaxrc.com
05-03-2008 12:08 PM
 
 
Jocker
Heliman
Location: Rostov-on-Don,Russia

BLS 451 has MG gears?
05-03-2008 12:37 PM
 
 
Garry-Boy
Key Veteran
Location: Moscow, Russia

good old S9351 for me.

Garry.
05-03-2008 12:56 PM
 
 
Uppie
Heliman
Location: Murrieta, CA

8717's on 8 volts are insane on the Aurora

05-03-2008 02:10 PM
 
 
Leif
Elite Veteran
Location: Oxford, PA - USA

Quote 
BLS 451 has MG gears?

According to the Futaba website the BSL-451 does have metal gears.

Futaba BLS451 Brushless High-Torque/Speed Servo

Leif
05-03-2008 02:18 PM
 
 
bob00
Veteran
Location: Toronto, ON

I've flown the following in mine, listed in order of preference...

CCPM

- 8717 @ 8v
current setup - THE best option by a LONG shot
very nice feel around center, super fast, crazy torque. Tell the heli to do something and it's got no choice

Don't get your fingers caught between the swash and the frames during setup - don't ask me how I know.

- 9451/9452 @ 6v
nice feel, strong enough

- atx 92758 @ 6v
nice feel, fast but could notice the low torque if gorilla'ing the sticks in say sloppy nose down tic toks

- 9351 @ 6v
good torque, work ok


Throttle

- 9254 / 9253 + MultiGov / GV-1


t/r

- 8900G / 9256 + Spartan ds760 / 611 (925x only of course)

- Rob
teambob00 / FlightPower / Avant
05-03-2008 02:42 PM
HOMEPAGE  
 
 
Freya_man101
Senior Heliman
Location: newport news VA

8717!!!!!!!!!!!!!!!!!!!!!

-----Ricardo Maldonado----- Vibe 90---SYNERGY--Raptor90se--Avant Aurora--
05-03-2008 02:43 PM
 
 
Jocker
Heliman
Location: Rostov-on-Don,Russia

bob00:

Do you try JR770 3D gyro on Aurora?
05-03-2008 03:02 PM
 
 
bob00
Veteran
Location: Toronto, ON

Hi Joker,

No, I haven't put any time on that gyro.

- Rob
teambob00 / FlightPower / Avant
05-03-2008 03:22 PM
HOMEPAGE  
 
 
Yedid Guy
Heliman
Location: ISRAEL

I fly my Aurora with JR 8717 @ 8v - for a few month already with excellent result!
05-04-2008 12:43 AM
 
 
Jason Bell
Elite Veteran
Location: San Diego, Ca

Vote for another 8717 with 8V.

Team Avant
Flight Power USA
Aerospire
Vblades
DYD Helis
05-04-2008 01:44 AM
HOMEPAGE  
 
 
Brandon Updike
New Heliman
Location: Murrieta, CA

Yup it doesn't get much better than the 8717's.

Team Avant
Aerospire
V Blades
Flightpower
Insane Canopy
05-04-2008 07:35 AM
 
 
jds5150
Heliman
Location: N/A

How do you guys achieve 8V from 2S Lipo for the 8717.
05-04-2008 07:40 PM
 
 
Jay1
Veteran
Location: Colorado Springs

They don't.....

How do you guys calculate 8v? Even if you hook up straight to the battery, you will draw down to a little over 7v but I don't think it will stay at 8v because it is not regulated.

Jay
Sooner or later, Gravity will win!
05-04-2008 08:02 PM
 
 
Dood
Key Veteran
Location: America's Dairyland

Servo's and additional onboard electronics don't draw that much current.
A lipo, under a 3 or 4 amp load, noncontinuous isn't going to drop off that much.

Look at this chart from Thunder Power. It's typical.


The individual cell voltage is only a half to a quarter volt difference between a 2C and 25C discharge.

The battery packs these guys are using are usually 2.2Ah to 4.2Ah.
They're typically rated for 16C to 25C.
Your servo's and all the electronics on board will draw about 4A at the most.
That is only 1C or 2C depending on the size of the pack.

These aren't Nickel batteries they're using here.

Im not Mr. Lebowski, YOU'RE Mr. Lebowski. I'm the Dood! So thats what you'll call me
05-04-2008 08:07 PM
HOMEPAGE  
 
 
Jay1
Veteran
Location: Colorado Springs

I wonder if this will hold true to running 8717's with different type lipos or batteries?

I think staying regulated it safer as I have read that those 8717's can draw up to 2amps per servo by themselves.

Just IMO....

Jay
Sooner or later, Gravity will win!
05-04-2008 08:13 PM
 
 
Dood
Key Veteran
Location: America's Dairyland

an unregulated 8717 setup will consume about 400 to 500 mAh on a single flight, depending on how hard you fly.

I doubt they're drawing 2A each.

Im not Mr. Lebowski, YOU'RE Mr. Lebowski. I'm the Dood! So thats what you'll call me
05-04-2008 08:16 PM
HOMEPAGE  
 
 
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Avant Aurora - EFX - FX > Aurora servos
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