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Revolution Models . CarbonXtreme . Midland Helicopters

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e-Hirobo SRB Quark - Lepton - XRB Coaxial > Lepton + JR3405 = GREAT
 
 
Qooo
Senior Heliman
Location: Hong Kong

I just upgraded my CCPM servos from Hitec 81MG to JR3405 that makes a totally different world to me.

JR3405 is much more expensive than 81MG but it is amazing servos for this little flying machine.

Now I love my Lepton much more.
The cyclic now are Nice centering, Stable, Solid, Fast and it is metal gear. You can use 4.8V or 6V to get 0.09sec ... Amazing ... ...



http://www.youtube.com/watch?v=T8e36RkeLTU

DX7 - FREYA EVO90 SWM - LEPTON EX - T600E - Thinking 9303 2.4G
03-12-2008 04:54 PM
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Tail_BoomStrike
Veteran
Location: Virginia Beach

Looks good Qooo......

Show us some crack stick next time........


What's your gyro/tail servo set up?
03-12-2008 05:27 PM
 
 
Qooo
Senior Heliman
Location: Hong Kong

I only made 1 test flight today.

I am flying Funkey430mm with extended boom and 401+S9254.

They all work great to me.

DX7 - FREYA EVO90 SWM - LEPTON EX - T600E - Thinking 9303 2.4G
03-12-2008 05:55 PM
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afeitang
Heliman
Location: Hawaii

Where can i buy jr3405?
03-15-2008 11:18 AM
 
 
Qooo
Senior Heliman
Location: Hong Kong

I bought in Hong Kong.
They just came available about 1 month.


DX7 - FREYA EVO90 SWM - LEPTON EX - T600E - Thinking 9303 2.4G
03-15-2008 12:32 PM
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Tail_BoomStrike
Veteran
Location: Virginia Beach

Is it direct fit....... No modding the frame required?.....
03-15-2008 04:37 PM
 
 
Qooo
Senior Heliman
Location: Hong Kong

Almost the same mod as S9650
http://www.runryder.com/helicopter/gallery/1571/

When you look at my pic, you will find that I dremel about 2mm at the top of the most front servo position so you can insert the servo directly from the side.

I will make some remarks to my pic with PS so you might find what I dremel.



DX7 - FREYA EVO90 SWM - LEPTON EX - T600E - Thinking 9303 2.4G
03-17-2008 12:29 PM
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Tail_BoomStrike
Veteran
Location: Virginia Beach

Qooo,

Your specs is a little off..... That servo's .13sec 4.8v and .11sec 6v, and not available in US...... That's the same size as ds3400g, which is replaced by ds3517.
03-18-2008 06:31 PM
 
 
Qooo
Senior Heliman
Location: Hong Kong

I think if we use 6v, it goes to 0.09s.
All I know 3400G is for rudder servo and 3405 is metal gear.

Can you show the link of 6v goes 0.11s? I couldn't find the webpages I read before.



DX7 - FREYA EVO90 SWM - LEPTON EX - T600E - Thinking 9303 2.4G
03-19-2008 10:56 AM
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Tail_BoomStrike
Veteran
Location: Virginia Beach

Mmmm, I'm sure I found a site that shows .11sec 6V yesterday..... But I couldn't find it anymore...... So I guess it's .09sec then....
03-19-2008 06:24 PM
 
 
Qooo
Senior Heliman
Location: Hong Kong

That is the spacers I add to the servo



DX7 - FREYA EVO90 SWM - LEPTON EX - T600E - Thinking 9303 2.4G
03-21-2008 12:00 PM
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afeitang
Heliman
Location: Hawaii

Is this same as 3405?
JR's DS3517MG provides fast speed and high resolution for superior 3D characteristics for small airplanes. High resolution assures precise centering for predictable flying - especially important with large control surfaces. As a cyclic servo in 500-class electric helis, the DS3517MG provides a locked-in hover as well as extremely responsive collective and cyclic response for extreme 3D maneuvering.

Specs:
Size Category:Minis and Micros
Typeigital
Torque:42 oz/in @ 4.8V, 51 oz/in @ 6V
Speed:.11 sec/60 degrees @ 4.8V, .09 sec/60 degrees @ 6V
Dimensions (WxLxH):.58"x1.02"x1.3"
Weight:1.04 oz
Bushing Or Bearing:Bearing
Motor Type:Coreless
Connector Type:JR
Gear Type:Metal
06-26-2008 11:56 AM
 
 
Qooo
Senior Heliman
Location: Hong Kong

I guess they are the same model.

DX7 - FREYA EVO90 SWM - LEPTON EX - T600E - Thinking 9303 2.4G
06-27-2008 12:42 AM
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HeliProz . ZoomsHobbies . HeliHobby

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e-Hirobo SRB Quark - Lepton - XRB Coaxial > Lepton + JR3405 = GREAT
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