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Old Feb 19, 2012, 11:58 PM
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Dr.M's Avatar
United States, WA, Issaquah
Joined May 2011
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I just tried an MKS DS760 and instantly fell in love.
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Old Feb 20, 2012, 04:57 AM
Heli Hooligan
London
Joined Dec 2006
6,060 Posts
FWIW I've been running two BLS251's @ 6V for about 18 months with no issues
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Old Feb 20, 2012, 12:10 PM
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Joined Jul 2009
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DrM, have you tried a BLS 251 to campare with?
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Old Feb 20, 2012, 04:02 PM
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Dr.M's Avatar
United States, WA, Issaquah
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I haven't tried any BL servos. I have this personal notion that BL servos draw too much power (I may be wrong) and that comparable performance can be achieved with the less Amp-hungry brushed coreless motors.

Also, the specs for the MKS 760 are better than BLS251, and the former can work at 6V.
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Old Feb 20, 2012, 07:51 PM
ElektroRC.com - MSH,LAHeli,YGE
Pewaukee, WI, USA
Joined Mar 2002
4,608 Posts
As mahbouni mentioned many of us have been using the BLS251s at 6v for a long time. No issues...

Brushed or brushless both can be efficient (or not) - depends on the servo and manufacturer. I have some Savox coreless that are power hogs - need 10A BEC to prevent LV brownouts. The BLS are generally pretty efficient.
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Old Feb 20, 2012, 08:06 PM
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Spring Valley. MN
Joined Jun 2000
4,458 Posts
Like Pete has said brushless can be very efficient. I have BLS 255's on my 6HV and holding it up by the blade grip arms and slapping the collective up and down as fast as I can, I was drawing less than 4a.
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Old Feb 20, 2012, 10:53 PM
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Joined Jul 2009
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Thanks guys, I'll probably go toward BLS. I'll run it at 5,5V along with my Hitec 5254MG cyclic servos. With the MKS, I would have gone up to 6V

Anyway as mentionned above, I can not go wrong with one or the other.

Any more comments?, I'll do the order tomorrow.
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Old Feb 20, 2012, 11:03 PM
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Joined Feb 2012
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im flying with the spektrum h6080G only $79
Product Specifications

Size Category:
Standard
Type:
Digital
Application:
550-700 size heli tail rotor
Torque:
55.5 oz-in (4.0kg-cm) @ 4.8V; 69.4 oz-in (5.0kg-cm) @ 6.0V
Speed:
.06 sec/60 @ 4.8V; .05 sec/60 @ 6.0V
Length:
1.6 in (40mm)
Width:
0.8 in (20mm)
Height:
1.5 in (37mm)
Weight:
2.00 oz (56.4g)
Bushing Or Bearing:
Bearing
Bearing:
Dual
Motor Type:
Coreless
Connector Type:
z-connector
Gear Type:
Metal
Voltage:
4.8V-6.0V
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Old Feb 21, 2012, 04:34 PM
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Dr.M's Avatar
United States, WA, Issaquah
Joined May 2011
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How is the 6080G? That's a newer servo, I haven't seen many users. What gyro and how's the tail in fast backward flight? What about piro stops?
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Old Feb 21, 2012, 04:52 PM
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Spring Valley. MN
Joined Jun 2000
4,458 Posts
Not sure but I have heard the Spektrum servos are rebranded Savox. Specs match the SH-1290MG
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Old Feb 22, 2012, 07:59 PM
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Joined Feb 2012
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Quote:
Originally Posted by Dr.M View Post
How is the 6080G? That's a newer servo, I haven't seen many users. What gyro and how's the tail in fast backward flight? What about piro stops?
its on a beastx, and its still too cold, ive only gotten a chance to hover it, but ill update as soon as i get some backwards flight in
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Old Mar 24, 2012, 06:36 PM
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United States, GA, Lilburn
Joined Jun 2011
34 Posts
Quote:
Originally Posted by Dr.M View Post
How is the 6080G? That's a newer servo, I haven't seen many users. What gyro and how's the tail in fast backward flight? What about piro stops?
I've got the 6080G/BeastX and couldn't be happier. holds very solid on backwards flight, and stops dead on in piros. I even crashed it once and it still works perfect.
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Old Jun 05, 2012, 06:26 PM
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United States, WA, Issaquah
Joined May 2011
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How's it going, gents? Kinda quiet on the Protos forum... I guess all Protii are running smoothly and putting big grins on their respective owners' faces? Mine certainly is
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Old Jun 05, 2012, 08:48 PM
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Austin, TX
Joined Sep 2005
11,506 Posts
Can't complain! My (Mini) Protos is my "go to" helicopter. Flew it for a year stock, stretched it this year to 350s and a 6S power system (thanks Pete!). It's a whole new level of awesomeness.

Chris
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Old Jun 05, 2012, 09:39 PM
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Woodstock, VT
Joined Jan 2007
702 Posts
Normally I'd make some snarky comment like 'well nobody listens if you were to complain' but we all know that isn't true, most of do listen, every show in fact...
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