[NSRCA-discussion] Elevator servo

[Archie Stafford]

That is exactly the reason. The slop is very evident with pattern planes. 

Arch

Sent from my iPhone

On Oct 14, 2010, at 2:29 PM, "Terry" <tmgreen3 at cox.net> wrote:

> Kinda of new to pattern flying, or at least modern planes, but why plastic servo gears.
> 
> I know that the 84 and 8611's get a lot of slop with the final gear, is that the reason.
> 
> T Green
> 
> ----- Original Message ----- From: <verne at twmi.rr.com>
> To: "General pattern discussion" <nsrca-discussion at lists.nsrca.org>
> Sent: Thursday, October 14, 2010 1:01 PM
> Subject: Re: [NSRCA-discussion] Elevator servo
> 
> 
>> Dave,
>> Do you ever pull the metal main gear off? If so, how?
>> 
>> Verne
>> 
>> 
>> ---- Dave <DaveL322 at comcast.net> wrote:
>> 
>> =============
>> Jon,
>> 
>> 
>> 
>> 3421 w/ 3025 gears compared to 3517..specs are very close.not sure what
>> other differences there might be so far as motor, deadband, aggressiveness
>> on center, etc.
>> 
>> 
>> 
>> Dave
>> 
>> 
>> 
>> _____
>> 
>> From: nsrca-discussion-bounces at lists.nsrca.org
>> [mailto:nsrca-discussion-bounces at lists.nsrca.org] On Behalf Of Jon Lowe
>> Sent: Thursday, October 14, 2010 12:33 PM
>> To: nsrca-discussion at lists.nsrca.org
>> Subject: Re: [NSRCA-discussion] Elevator servo
>> 
>> 
>> 
>> Dave,
>> 
>> I've been using 3421's with 3025 gears.  Slightly lower torque, but much
>> faster for dual elevator servos.  Specs appear about the same a
>> 
>> Jon Lowe
>> 
>> 
>> 
>> -----Original Message-----
>> From: Dave <DaveL322 at comcast.net>
>> To: 'General pattern discussion' <nsrca-discussion at lists.nsrca.org>
>> Sent: Thu, Oct 14, 2010 10:54 am
>> Subject: Re: [NSRCA-discussion] Elevator servo
>> 
>> 8417 for one elevator servo
>> 3517 for two elevator servos
>> 8611A for rudder
>> 
>> 8231 or 8101 nylon gearsets to convert the 8417 to 8417 "sa".......the speed
>> will decrease slightly, but the torque will go up slightly.
>> 
>> 3025/3035 nylon gearsets to convert the 3517 to "sa".
>> 
>> Leave the 8611A as is.
>> 
>> Regards,
>> 
>> Dave Lockhart
>> Team Horizon/JR
>> 
>> 
>> 
>> -----Original Message-----
>> From: nsrca-discussion-bounces at lists.nsrca.org
>> [mailto:nsrca-discussion-bounces at lists.nsrca.org
>> <mailto:nsrca-discussion-bounces at lists.nsrca.org?> ] On Behalf Of Duane Beck
>> Sent: Thursday, October 14, 2010 10:50 AM
>> To: nsrca-discussion at lists.nsrca.org
>> Subject: [NSRCA-discussion] Elevator servo
>> 
>> I plan to move up to my first 2M soon (a Focus 2) and will need an elevator
>> (and rudder) servo.  What can you recommend, now that JR's SA servos appear
>> to be no longer available?  If necessary, I may be able to scavange an
>> 8411SA or two from an unfinished 1/4 scale, but have to check if it's the SA
>> or metal gear version.
>> 
>> Duane
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> 
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