Servos

[Larry Caldwell]

http://horizon.hobbyshopnow.com/services/advanceresultsDetail.asp?strProd=&strSearchType=ALL&strInCategory=RPS&strInManufacturer=JRP

Larry

Bill Glaze wrote:

> Eric & All:
> What is the U.R.L. that Horizon is using for a complete servo listing?  
> I've got one dialed in, but while it lists quite a few servos, it 
> doesn't list anything in the 9000 series stuff at all.  Actually, it 
> acts more like a hobby shop listing, than it does Horizon's official web 
> site.  And, for some reason or other, Horizon's web site seems to have a 
> security problem; must be the wrong site.  thanks.
> 
> Bill Glaze
> 
> Henderson,Eric wrote:
> 
>> Nat,
>>        The 9411 has this weakness. It does not matter if it is an SA 
>> version or not. I run them in ailerons only. The conversion set to 
>> make a 9411 into a 9411SA are 9011 gears,
>>  
>> Unfortunately if you spin up the servo arm by hand and let it hit the 
>> "stops" anywhere near firmly, it strips the little gear next to the 
>> motor. The motor keeps on going and does the damage. Both the metal 
>> and plastic gear sets use the same last gear, which is plastic.
>>  
>> I have never had an in-flight failure with this servo but it treat it 
>> with care when it comes to moving the controls by hand. The wing bags 
>> take care of the aileron servos.
>>  
>> What is most annoying is that this is the only Digital low-profile 
>> that they market over here.
>>  
>> The 9011's that I use do not seem to be this vulnerable. My guess is 
>> that this is due to the motor types and how fast/freely they move when 
>> spun up by hand.
>>  
>> Sorry, I didn't solve the problem but I can confirm it to be the 
>> servo and not just you :-)
>>  
>> Regards,
>>
>> Eric.
>>  
>>  
>> -----Original Message-----
>> From: discussion-request at nsrca.org 
>> [mailto:discussion-request at nsrca.org]On Behalf Of Nat Penton
>> Sent: Tuesday, February 03, 2004 10:29 PM
>> To: discussion at nsrca.org
>> Subject: Servos
>>
>> I had two DS9411's coverted to SA . A gear , or gears, stripped in 
>> both with relatively no torque by hand. They could have easily crashed 
>> an airplane. Does  the stock SA have all plastic gears, or only one or 
>> two ? These were converted to all plastic.
> 

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