REFLECTOR: Speed Brake Question

Jorge Bujanda jbujanda at dslextreme.com
Tue Sep 27 05:47:20 CDT 2005


According to Brendan at Velocity, the speed brake should come down about 60 degrees but anywhere from 45-60 degrees would be acceptable.

Jorge Bujanda
XL FG
Palmdale, CA



Randy Wharton wrote:

> I’m putting the finishing touches on my XL-RG speed brake, and I have 
> 2 questions.
>
> First, the actuator has built-in limit switches at each end of travel. 
> I designed my system so that I use only the built-in switches instead 
> of an external switch. That is, I set it up so that when the actuator 
> is fully retracted, I can adjust the mount so that the brake is flush. 
> Does anyone know of any reason NOT to use the internal limit switches? 
> It seemed that eliminating an external switch makes for a simpler, 
> more reliable installation.
>
> Second question: What angle of deployment have others set up at full 
> extension? Mine turns out to be 51 degrees extension. Is that enough, 
> or do I need more for it to provide a significant benefit. I know some 
> have their brake set up for partial deployment, but I’m just curious 
> what maximum extension others have.
>
> Thanks for any info!
>
> Randy Wharton
>
> N248RB XL/RG
>
> http://clik.to/velocity
>
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