RCU Forums - View Single Post - Sig Mayhem 3D ARF
View Single Post
Old 02-04-2004, 12:04 AM
  #22  
csliger
Member
 
Join Date: May 2003
Location: MEAD, CO
Posts: 32
Likes: 0
Received 0 Likes on 0 Posts
Default RE: Sig Mayhem 3D ARF

Futaba digitals are 4.8V only, 6V will toast em, the regular servo's are rated for 6V but I believe that one should stay within the rating for 4.8V in regards to the required torque. That is, this airplane requires 70+ oz/in torque for each aileron and if I had a servo that was rated for say 60 at 4.8V and 75 @ 6.0V I'd probably consider it unreliable. I think that 6V systems make sense in multi servos/surface arrangements to help prevent voltage drop and resultant under-spec torque in high current demand maneuvers.
Futaba's S3010 are rated for 72.2 oz/in @ 4.8V and are 29$ regular price at Tower and the S3305 is rated for 98 oz/in @$43.
Cirrus CS-62BBMG are 76.4oz/in @ 4.8V and CS-63BBMG's are 104.2 oz/in and sixty degrees in 0.17 sec and both are at $34.99 from [link=http://www.hobbypeople.net]www.hobbypeople.net [/link]
Hitec HS-625MG's are 39$ at Tower again and have 76.37 oz/in @ 4.8V with transit time of 0.18sec and I've never had a problem with Hitec servos.
Hitec's digitals have (HS-5625MG) 109+oz/in @ 4.8V w/ 0.17sec transit, and they can be pumped up to 6V where it only gets better. They are $59 at Tower for Futaba compatible and $50 for S/JR/Z
I'm leaning toward the Hitec digitals and may just have to sell one of the children to pay for it. Like everybody else I'm kinda waiting for somebody else to make a move so they can say " those servo's I bought for 29$ fluttered like hell just before it augured in." Besides we're supposed to be getting our "biggest snowstorm of the year" here tomorrow so I won't be flying anyway eh?