[NSRCA-discussion] Servos suggestions for a 90 size pattern plane

mike mueller mups1953 at yahoo.com
Fri Jun 12 05:54:43 AKDT 2009


 Not to be argumentative but I think the 8411 is overkill on a 90 sized plane thus the 8231 reccomondation on rudder. It's cheaper especially used ($35) and it has the SA like gear train. I think that we are using larger than needed servos in most of our planes. But hey it's just my opinion and I could be wrong. Mike

--- On Fri, 6/12/09, Jon Lowe <jonlowe at aol.com> wrote:

> From: Jon Lowe <jonlowe at aol.com>
> Subject: Re: [NSRCA-discussion] Servos suggestions for a 90 size pattern plane
> To: nsrca-discussion at lists.nsrca.org
> Date: Friday, June 12, 2009, 8:03 AM
> JR  (or Spektrum) DS821 on
> everything except rudder, and something like a DS8411SA on
> rudder.  The DS821's are very precise, almost zero
> deadband, have about 72 oz-in of torque @ 4.8v, 88 @ 6v,
> carbonite gears and only cost about $30 US. Amazing servo
> for the money.  I've seen them on several 2 meter
> planes.  I've checked Hitec's and Futaba's offerings at
> this price point, and they either lack the torque, the speed
> or both.   I'd run on 6 volts for a little
> extra speed and torque.  The 8411 has the extra power
> you need on rudder.
> 
> And no, I'm not sponsored by JR!
> 
> 
> Jon Lowe
> 
> 
> -----Original Message-----
> From: Dean & Melissa Williams <DMWILLIAMS at bigpond.com>
> To: nsrca-discussion at lists.nsrca.org
> Sent: Fri, Jun 12, 2009 7:40 am
> Subject: [NSRCA-discussion] Servos suggestions for a 90
> size pattern plane
> 
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> Hi
> 
> 
> Which servos (brand and #) would you use for a 90
> size pattern plane like the ESM Adrenaline 90 and which
> ones on what surfaces
> ?
> 
> 
> Thanking you for your sugestions
> 
> 
>                                               
> Dean (Outback OZ)
> 
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