REFLECTOR: Fixes for Stick Slop

[Brian Michalk]

I think it's safe to say I have about .05 hours of airtime on it.

That would be the first flight, and subsequent off field.  However, over 
years of airplane work, it's been tight.

On 1/7/2011 12:35 PM, Bob Jackson (Jax Tech) wrote:
>
> Nice design and approach!  How many hours do you have on it?
>
> Don't you still have concerns about the effect on the softer aluminum 
> of the hard steel bolt?
>
> ------------------------------------------------------------------------
>
> *From:*reflector-bounces at tvbf.org [mailto:reflector-bounces at tvbf.org] 
> *On Behalf Of *Brian Michalk
> *Sent:* Friday, January 07, 2011 1:02 PM
> *To:* Velocity Aircraft Owners and Builders list
> *Subject:* Re: REFLECTOR: Fixes for Stick Slop
>
> There has been little discussion on a fix.  My solution involves 
> making a saddle, I'm not sure if it's what the factory does or not.
>
> I think the tubes are 1/2", so I bought some 1/2"ID, .25" wall 
> aluminum tube.
> With about 2" of stock, I first machined a flat on opposing side, 
> leaving about 1/8" thickness.
> Next, cut the tube in half along a plane parallel with the two flats.
> Take the two halves, and place them flat to flat, drilling a hole for 
> the bolt.  The tubes can now be cradled in the saddle.
>
> The flats help support the torque transmitted to the two tubes at 
> right angles.  For extra smoothness, use a thin teflon washer(or 
> sheet) between the flats.
>
> On 1/7/2011 11:13 AM, Bob Jackson wrote:
>
> We've been flying for a couple of years and now have 300+ hours on the 
> plane.  When we started doing some formation flying recently I began 
> to be aware that we're developing stick slop -- it's not what you want 
> flying close formation, or when landing or anytime you need small 
> corrections and fine attitude control.
>
> When we built the plane we were leery of the standard _steel_ AN3 bolt 
> that joins the bottom of the _aluminum_ stick stub and the 
> aileron/elevator torque tubes) -- even when improved with the U-shaped 
> steel reinforcing collar that the factory started shipping.
>
> In our case, we know that nearly all of our stick slop comes from this 
> mechanical connection between the stick's torque tube and the aileron 
> and elevator torque tubes.  We've been on the Reflector for 12 years, 
> but haven't heard much, if any talk about this problem and 
> improvements that builders have made.
>
> The _question_ is:  do any of you have good fixes for this connection 
> that eliminates stick slop?
>
> Thanks,
>
> Bob Jackson
>
> N2XF
>
>   
>
>   
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